---

Patents

P1. US31128. Otis, G. E. (1861). Improvement in hoisting apparatus.

P2. US3884154. Marten F. (1975). Propulsion arrangement equipment with linear motor.

P3. US4016441. Herr J.A., Jaffe W., Dob A.M., Francis M., Adams K.D. and Herron W.L. (1977). Linear motor.

P4. US4163911. Simes J.G. and Gillott D.H. (1979). Permanent magnet translational motor for respirators.

P5. US4217507. Jaffe W. and Peterson W.R. (1980). Linear motor.

P6. US4220899. Von der Heide J. (1980). Polyphase linear motor.

P7. US4235253. Rinde J.E. and Perry R.M. (1980). Linear motion, electromagnetic force motor.

P8. US4259653. McGonigal J.J. (1981). Electromagnetic reciprocating linear actuator with permanent magnet armature.

P9. US4315197. Studer P.A. (1982). Linear magnetic motor/generator.

P10. US4344022. Von Der Heide J. (1982). Linear motor.

P11. US4369383. Langley L.W. (1983). Linear DC permanent magnet motor.

P12. US4370577. Wakabayashi N., Fukumoto T. and Ueda N. (1983). Linear motor.

P13. US4387935. Studer P.A. (1983). Linear magnetic bearing.

P14. US4402386. Ficheux R. and Pavoz M. (1983). Self-powered elevator using a linear electric motor as counterweight.

P15. US4535260. Pritchard R.J. and Lindenmucht K.(1984). Magnetic linear motor.

P16. US4461984. Whitaker G.C. and Safford J.H. (1984). Linear motor shutting system.

P17. US4504750. Okedera H., Wakabayashi N., Yamada K. and Sugizaki Y. (1985). Linear motor.

P18. US4510421. Schwarzler P. (1985). Linear magnets.

P19. US4546277. Carbonneau J.T. and Stahel P. (1985). Linear motor.

P20. US4581553. Moczala H. (1986). Brushless d.c. motor, especially linear motor, having an increased force-to-velocity ratio.

P21. US4583027. Parker R.J. and Cornell A.W. (1986). Moving magnets linear motor.

P22. US4595870. Chitayat A. (1986). Linear motor.

P23. US4613962. Inoue Y. and Mizunoe K. (1986). Tracking device with linear motor.

P24. US4631430. Aubrecht R.A. (1986). Linear force motor.

P25. US4638193. Jones P.J. (1987). Linear impulse motor.

P26. US4641065. Shibuki O., Matsuyama N., Nagasawa Y., Kawai K., Sakagami S. and Onoyoma T. (1987). Moving coil type linear motor.

P27. US4689529. Higuichi T. (1987). Linear stepping motor.

P28. US4678951. Nikaido A. (1987). Linear motor.

P29. US4703297. Nagasaka N. (1987). Permanent magnet type linear electromagnetic actuator.

P30. US4749921. Chitayat A. (1988). Linear motor with non-magnetic armature.

P31. US4761573. Chitayat A. (1988). Linear motor.

P32. US4761574. Nakagawa H. (1988). Linear pulse motor.

P33. US4789815. Kobayashj F. Sakai K. and Yamagashi J. (1988). Linear motor.

P34. US4793263. Pritchard R.J. and Lindenmucht K. (1988). Integrated linear synchronous unipolar motor with controlled permanent magnet bias.

P35. US4794866. Brandis C., Schulze-Buxloh H. and Pirags S. (1989). Linear motor driven railway car.

P36. US4819564. Brandis C., Schulze-Buxloh H. and Pirags S. (1989). Linear motor driven conveying installation and braking device therefore.

P37. US4825111. Hommes W.J. and Keegan Jr. J. (1989). Linear motor propulsion system.

P38. US4839543. Beakley B.E. and Flanders T.E. (1989). Linear motor.

P39. US4858452. Ibrahim F.K. (1989). Non-commutated linear motor.

P40. US4860183. Meada T., Ohta H. and Inazumi H. (1989). Planar linear pulse motor.

P41. US4862809. Guadagno J.R. (1989). Supports for railway linear synchronous motor.

P42. US4937481. Vitale N. (1990). Permanent magnet linear electromagnetic machine.

P43. US4945268. Nihei H., Miyashita K. and Asano H. (1990). Permanent magnet type linear pulse motor.

P44. US4965864. Roth P.E. and Roth B.A. (1990). Linear motor.

P45. US4983868. Spiesser G. (1991). Disengageable linear stepper motor.

P46. US4985651. Chitayat A. (1991). Linear motor with magnetic bearing preload.

P47. US5017819. Patt P.J. and Stolfi F.R. (1991). Linear magnetic spring and spring/motor combination.

P48. US5072144. Saito J., Matsumoto Y., Suzuki Y., Okamura Y., Hori H. and Shiraiwa N. (1991). Moving-coil linear motor.

P49. US5075583. Sakagami S., Onayama T., Nagasawa Y. and Andou T. (1991). Brushless DC linear motor.

P50. US5086881. Gagnon E., Jamminet J. and Olsen E. (1991). Elevator driven by a flat linear motor.

P51. US5087844. Takedomi S. and Umehara H. (1992). Linear motor.

P52. US5126604. Manning M.J.N. (1992). Linear motor conveyance system.

P53. US5134324. Sakagami S. and Nagasawa Y. (1992). Moving magnets type linear motor for automatic door.

P54. US5141082. Toshiaki I., Ikejima H., Sugita K., Sakabe S., Sugimoto H., Maehara T. and Kisimoto T. (1992). Linear motor elevator system.

P55. US5149996. Preston M.A. and Stingle F.W. (1992). Magnetic gain adjustment for axially magnetized linear force motor with outwardly surfaced armature.

P56. US5172803. Levin H.U. (1992). Conveyor belt with built-in magnetic-motor linear motor.

P57. US5175455. Penicaut A.M.R. (1992). Permanent magnet linear door motor.

P58. US5179305. Van Engelen G. (1993). Linear motor within a positioning device.

P59. US5183980. Okuma S., Furuhashi T., Ikejima H. and Ishi T. (1993). Linear motor elevator device with a null-flux position adjustment.

P60. US5201641. Richer S. (1993). Electrically driven diaphragm suction or pressure pump.

P61. US5216723. Froeschle T.A. and Carreras R.F. (1993). Permanent magnet transducer.

P62. US5235144. Matsui N., Kangawa U. and Shimazu T. (1993). Linear motor driven elevator.

P63. Re34674. Beakley B.E. and Flanders T.E. (1994). Linear motor (reissue).

P64. US5300737. Nakanishi Y. (1994). Tubular linear motor driven elevator.

P65. US5341053. Yamazaki K., Noda K. and Nakamura E. (1994). Linear motor with permanent magnets.

P66. US5352946. Hoffman B.D., Pollack S.H., Smit P. and Woolley J. (1994). Linear motor suspension system.

P67. US5379971. Kim S.G., Franklin D.K. and Conner M.P. (1995). Emergency power system for door.

P68. US5431109. Berdut E. (1995). Levitation and linear propulsion system using ceramic permanent magnets and interleaved malleable steel.

P69. US5434459. (1995). Pulsed power linear actuator and method of increasing actuator stroke force.

P70. US5486844. Preston, M. and King, R. (1996). Noise-canceling quadrature magnetic position, speed and direct sensor.

P71. US5497038. Sink J.D. (1996). Linear motor propulsion drive coil.

P72. US5602431. Satomi H. and Iwasa T. (1997). Linear motor.

P73. US5621259. Multon B.F.A., Lucidarme H.L. and Prevond L.P.A. (1997). Linear motor.

P74. US5644176. Katagiri S. (1997). Linear direct current motor.

P75. US5696411. Takei Y. (1997). Linear direct current motor.

P76. US5703418. Assa S. (1997). DC cooled linear motor.

P77. US5717261. Tozoni O.V. (1998). Linear synchronous motor with screening permanent magnet rotor with extendable poles.

P78. US5719451. Cook S.J. and Clark R.E. (1998). Linear magnetic actuator.

P79. US5751075. Kwon B.H. and Lee H.K. (1998). Magnet assembly for linear motor.

P80. US5757091. Sagobe M. and Higashi S. (1998). Permanent magnet field pole for linear motor.

P81. US5808379. Zhao W. (1998). Bi-directional linear drive motor.

P82. US5808381. Aoyama H. and Shimizu Y. (1998). Linear motor.

P83. US5838079. Morohashi N. and Kato S. (1998). Synchronous linear motor using permanent magnet.

P84. US5910691. Wavre N. (1999). Permanent-magnet linear synchronous motor.

P85. US5920164. Moritz F.G. and Mosciatti R. (1999). Brushless linear motor.

P86. US5936319. Chitayat A. (1999). Wireless permanent magnet linear motor with magnetically controlled armature switching and magnetic encoder.

P87. US5949036. Kowalczyk T.M. and Piech Z. (1999). Double linear motor and elevator door using the same.

P88. US5952742. Stoiber D. and Rosner P. (1999). Synchronous linear motor with improved means for positioning and fastening permanent magnets.

P89. US6043572. Nagai S., Sasaki T. and Kamata S. (2000). Linear motor, stage device, and exposing device.

P90. US6104108. Hazelton A.J. and Gery J.M. (2000). Wedge magnet array linear motor.

P91. US6184597. Yamamoto H., Shibuya K. and Hamaoka K. (2001). Linear motor and linear compressor.

P92. US6230760. Di Natale G. and Vollenweider B. (2001). Linear motor weft presenting apparatus.

P93. US6252315. Heo J.T. (2001). Magnet fixing structure for linear motor.

P94. US6365993. Calhoon G.A., Bottegal P.T., Rinefierd R.J., Marchand F.J. and Slepina R.M. (2002). Round linear actuator utilizing flat permanent magnets.

P95. US6407471. Miyamoto Y., Hisatsune M., Meakawa K., Doi T. and Tanabe M. (2002). Linear motor.

P96. US6417584. Chitayat A. (2002). Magnet configuration for linear motor.

P97. US6429611. Li H. (2002). Rotary and linear motor.

P98. US6441515. Shimura Y. (2002). Linear motor.

P99. US6445093. Binnard M. (2002). Planar motor with linear coil arrays.

P100. US6476524. Miyamoto Y., Meakawa K., Doi T. and Hisatsune M. (2002). Linear motor.

P101. US6483208. Hooley A. (2002). Linear motor.

P102. US6491002. Adams J. (2002). Intermittent linear motor.

P103. US6495934. Hayashi Y. and Tanaka K. (2002). Method of manufacturing linear motor, stage apparatus equipped with linear motor and exposure apparatus.

P104. US6495935. Mishler M. (2002). Linear motor driven unit.

P105. US6501357. Petro J. (2002). Permanent magnet actuator mechanism.

P106. US6538349. Lee J., Im T. and Boldea I. (2003). Linear reciprocating flux reversal permanent magnetic machine.

P107. US6541880. Okada T., Joong K.H., Tahara K., Maki K., Yamamoto K., Takahashi M. Miyata K. and Takahata R. (2003). Linear motor.

P108. US6548919. Maki K., Joong K.H., Katayama H. and Miyata K. (2003). Linear motor.

P109. US6570273. Hazelton A.J. (2003). Electric linear motor.

P110. US6614137. Joong K.H., Maki k., Iwaji Y., Miyazaki T. and Hanyu T. (2003). Linear motor, driving and control system thereof and manufacturing method thereof.

P111. US6633217. Post R.F. (2003). Inductrack magnet configuration.

P112. US6653753. Kawano S., Honda Y. and Murakami H. (2006). Linear motor.

P113. US6657326. Yamamaoto H. and Shibuya K. (2003). Efficient cylindrical linear motor.

P114. US6657327. Tajima S. (2003). Linear direct current motor.

P115. US6661130. Yamazaki T., Ohnishi K., Miyagawa N. and Inoue T. (2003). Linear motor.

P116. US6664664. Botors S.J. and Novotnak R.T. (2003). Printed circuit linear motor.

P117. US6664665. Hsiao S.S. (2003). Coreless type linear motor.

P118. US6664880. Post R.F. (2003). Inductrack magnet configuration.

P119. US6705408. Kim J.H. and Shinohara S. (2004). Power tool with linear motor.

P120. US6713899. Greubel K. and Knauff A. (2004). Linear synchronous motor.

P121. US6713922. Piech Z. and Wagner P.D. (2004). Integrally skewed permanent magnet for use in electric machines.

P122. US6724104. Katsuki M., Kawatsu K. and Gakuhari M. (12004). Linear motor drive apparatus.

P123. US6731029. Shikayama T., Yoshida S., Irie N. and Yu J. (2004). Canned linear motor.

P124. US6747376. Hashimoto A., Kimura Y., Nakahara Y., Watarai A. and Nishitani S. (2004). Linear motor.

P125. US6750570. Grehant B. (2004). Flux switching linear motor.

P126. US6750571. Tominaga R., Tamai M. and Tanaga K. (2004). Magnetically shielded linear motors and stage apparatus comprising same.

P127. US6753626. Hwang J.H., Kim D.H. and Park S.S. (2004). Linear motor having an integrally formed air bearing.

P128. US6753627. Kim H. and Maki K. (2004). Linear motor.

P129. US6756705. Pulford R. (2004). Linear stepper motor.

P130. US6787945. Miyata K. (2004). Linear motor.

P131. US6800968. Shikayama T., Irie N. and Miyamoto Y. (2004). Linear motor.

P132. US6809434. Dunkan G.D. and Boud J.H. (2004). Linear motor.

P133. US6822349. Lunz E. and Durschmied F. (2004). Linear motor.

P134. US6825583. Joung J.H. and Park J.W. (2004). Linear motor including cooling system.

P135. US6831379. Ohto M., Tanabe M., Miyamoto Y. and Inokuchi H. (2004). Permanent magnet synchronous linear motor.

P136. US6833638. Kang H. and Kim J. (2004). Integrated system for non-contact power feed device and permanent magnet-excited transverse flux linear motor.

P137. US6844651. Swift G.L., Sommerhalter F.A. and Syskowski R.A. (2005). Encapsulated armature assembly and method of encapsulating an armature assembly.

P138. US6849969. Kang H. and Jeon J. (2005). Transverse flux motor with permanent magnet excitation.

P139. US6849970. Watanabe K. (2005). Linear motor.

P140. US6856049. Hirata A. (2005). Voice coil linear actuator, apparatus using the actuator, and method for manufacturing the actuator.

P141. US6867512. Delaire G. and Gagnon F. (2005). Actuator having permanent magnet.

P142. US6873066. Yammaoto T. and Maeda T. (2005). Linear motor.

P143. US6879064. Kobayashi M., Kita I., Morita I., Inagaki K. and Inoue A. (2005). Linear motor and linear-motor based compressor.

P144. US6879066. Hashimoto A., Kimura Y., Nakahara Y., Watarai A. and Nishitani S. (2005). Linear motor.

P145. US6888269. Arndt A., Canders W.R., Mascher K., Schuler K., Wisken H., May H. and Weh H. (2005). Magnetic linear drive.

P146. US6919654. Harned T.J. and Huard S.R. (2005) Linear motor with magnet rail support, end effect cogging reduction, and segmented armature.

P147. US6922025. Smith J.F. (2005). Zero ripple motor system.

P148. US6930411. Berghouse M., Jelusie M., Kaiser M., Lambrecht M. amd Wehner E. (2005). Linear motor.

P149. US6930412. Chang E.S., Lin C.Y., Hsu C.M. and Kung H.J. (2005). Closed box structure of the horizontal linear motor machine tool.

P150. US6930413. Marzano (2005). Linear synchronous motor with multiple time constant circuits, a secondary synchronous stator member and improved method for mounting permanent magnets.

P151. US6977450. Asou T. and Aida T. (2005). Linear motor and linear guiding apparatus.

P152. US6977451. Onishi Y. (2005). Ironless AC linear motor.

P153. US6983701. Thornton R.D. and Clark T.M. (2006). Suspending, guiding and propelling vehicles using magnetic forces.

P154. US7015613. Lilie D.E.B. and Vollrath D. (2006). Linear electric motor.

P155. US7042119. Miyashita M. and Horikoshi A. (2006). Linear motor.

P156. US7071584. Kawano S., Honda Y. and Murakami H. (2006). Linear motor.

P157. US7091679. Schroeder R., Gronewold R., Kohler C., Stevens R. and Michalske G. (2006). Magnetic trust motor.

P158. US7109610. Tamai H. (2006). Integrated wireless linear motor.

P159. US7154198. Kawai Y. (2006). Linear motor.

P160. US7166938. Kang H. and Kim J. (2007). Horizontal and vertical transportation system using permanent magnet excited transverse flux linear motors.

P161. US7170202. Watarai A., Naka K., Itou K., Inoue M. and Nakamoto M. (2007). Linear motor.

P162. US7176590. Fujimoto Y. (2007). Spiral linear motor.

P163. US7199492. Hashimoto A., Kimura Y., Yamashiro S., Nakahara Y., Watarai A., and Michio N. (2007). Armature of linear motor.

P164. US7201096. Cetinkun S., Egelja A.M. and Sorokine M.A. (2007). Linear motor having a magnetically biased neutral position.

P165. US7220090. Wakazono Y., Imanishi K. and Achiva F. (2007). Linear motor operated machine tool.

P166. US7230355. Lin H. and Heilig J.A. (2007). Linear hybrid brushless servo motor.

P167. US7235936. Oba T. and Takahashi A. (2007). Linear vibration motor.

P168. US7242117. Sugita S. and Misawa Y. (2007). Linear motor.

P169. US7291941. Miyamoto Y. and Yamada T. (2007). Tandem arrangement linear motor.

P170. US7312540. Miyamoto Y. and Inoue T. (2007). Linear motor armature and linear motor.

P171. US7317266. Beakley B., MArsh J.J., Shaul R.T. and Juhasz B.L. (2008). Anti-cogging method and apparatus for linear motor.

P172. US7336007. Chitayat A. and Faizullabhoy M. (2008). System and method to control a rotary-linear actuator.

P173. US7339289. Wang J., Zhu Y., Cao J., Yin W. and Duan G. (2008). Synchronous permanent magnet planar motor.

P174. US7339290. Sugita S. and Misawa Y. (2008). Linear motor.

P175. US7378763. Jack A., Pennander L., and Dickenson G. (2008). Linear motor.

P176. US7385317. Sugita S. and Tang Y. (2008). Linear motor not requiring yoke.

P177. US7429808. Lehr H., Shrader S., and Walter S. (2008). Gliding field linear motor.

P178. US7449802. Sasaki Y., Nakao T. and Shiratori K. (2008). Vibration wave linear motor.

P179. US7456526. Teramachi A., Aso T., Tanaka Y., Kaneshige H. and Xu Y. (2008). Linear motor actuator.

P180. US7456528. Thirunarayan-Kumar N. and Smith J. (2008). High performance linear motor and magnet assembly therefore.

P181. US7471018. Nozawa H. and Narita T. (2008). Linear motor and manufacturing method of linear motor.

P182. US7474019. Kang D.H., Chang J.H., Kim J.W. and Chung S.U. (2009). Permanent magnet excited transverse flux linear motor with normal force compensation structure.

P183. US7482902. Kampf M. and Protze C. (2009). Linear magnetic drive.

P184. US7514824. Kasahara S. and Ohno M. (2009). Sliding system with onboard linear motor.

P185. US7531923. Shikayama T. and Irie N. (2009). Coreless linear motor.

P186. US7538456. Miyamoto Y., Yamada T. and Koba T. (2009). Moving magnet type linear actuator.

P187. US7573162. Onishi Y. (2009). Linear motor.

P188. US7573170. Petro J.P. and Wasson K.G. (2009). Motor modules for linear and rotary motors.

P189. US7576452. Shikayama T. and Sadakane K. (2009). Coreless linear motor and canned linear motor.

P190. US7582991. Sugita S. and Misawa Y. (2009). Linear motor.

P191. US7586217. Smith J.F. and Thirunarayan K.N. (2009) High performance motor and magnet assembly thereof.

P192. US7595571. Thirunarayan K.N. and Smith J.F. (2009) High performance motor and magnet assembly thereof.

P193. US7604520. Kotlyar O. (2009). Electrical linear motor for marine propulsion.

P194. US7619377. Yamada K., Maemura A., Morimoto S., Shikayama T., Tanaka Y. and Takaki M. (2009). Linear motor system.

P195. US7622832. Moriyama T. (2009). Linear motor and linear moving stage device.

P196. US7626308. Kang D.H., Chang J.H. and Kim J.W. (2009). Permanent magnet transverse flux motor with outer rotor.

P197. US7659641. Miyamoto Y. and Koba T. (2010). Moving magnet type linear slider.

P198. US7675202. Huang B. (2010). Isotropic ring magnet linear voice coil motor.

P199. US7696651. Miyamoto Y. (2010). Linear motor.

P200. US7701093. Tang Y. and Sugita S. (2010). Linear motor.

P201. US7732951. Mukaide N. (2010). Moving-magnet type linear motor.

P202. US7745963. Jenny A. (2010). Linear motor with integrated guidance.

P203. US7786631. Sasaki T., Watanabe K. and Ishikawa K. (2010). Linear motor.

P204. US7812482. Aso T., Miyamoto T. and Yamanaka S. (2010). Rod-type linear motor.

P205. US7825548. Maemura A., Kawazoe Y., Suzuki T. and Fukuma Y. (2010). Cylindrical linear motor.

P206. US7825549. Wang X. (2010). Linear motor with reduced cogging.

P207. US7834488. Finkbeiner M., Guckel J. and Thomas F. (2010). Electric linear drive unit.

P208. US7834489. Matscheko G. and Jajtie Z. (2010). Synchronous linear motor.

P209. US7839030. Tang Y. and Sugita S. (2010). Linear motor.

P210. US7847442. Rohner R., Hitz M. and Ausderau D. (2010). Linear motor.

P211. DE2002081. Kudermann K. (1971). Eletrischer Antrieb für Lastenfoerderer.

P212. JP2002199679. Fukishima A. (2002). Inductor type electric machine having magnet equipped armature.

P213. FR2840124. Cavarec P.E. and Gergaud O. (2003). Moteur lineaire cylindrique.

P214. PL206292. Tomczuk, B. and Waindok, A. (2006). Multiphase tubular linear motor (in Polish).

P215. GB2450465. Iwasaki S., Deodhar R.J. and Zhu Z.Q. (2008). Switching flux permanent magnet electrical machine.