Patents for H02N 15 - Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided for (1,356) |
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12/01/1992 | US5168183 Levitation system with permanent magnets and coils |
09/22/1992 | US5150272 Stabilized electromagnetic levitator and method |
07/14/1992 | US5130588 Ceramic dispersed in acrylic thermoplastic |
06/30/1992 | US5126611 Composite superconductor disc bearing |
06/30/1992 | US5126317 Induced repulsive magnetic force between superconductor bearing and magnetic rotor lifts rotor, gives friction-free, vibration-free interface |
06/25/1992 | WO1992009134A3 Levitation device |
05/29/1992 | WO1992009134A2 Levitation device |
05/26/1992 | US5117139 Superconducting bearings with levitation control configurations |
05/19/1992 | US5114913 Magnetic head slider employing superconductor for levitation |
03/03/1992 | US5093754 Control system for a magnetic levitation body |
01/15/1992 | EP0466041A2 Energy storage system |
10/09/1991 | CN1055265A Non-contact-guidable magnetic floating device |
09/25/1991 | EP0448323A1 Non-contact-guidable magnetic floating device |
09/12/1991 | DE4007117A1 Mechanical work generation system - uses induced superconductive currents to provide impulse force transmitted to rotatable shaft |
07/17/1991 | EP0436624A1 Electric machinery employing a superconductor element. |
07/17/1991 | EP0436623A1 Bearing system employing a superconductor element |
05/14/1991 | US5015622 Multidirectional/rotational superconductor motor |
04/16/1991 | CA1283143C Magnetically levitated fine motion robot wrist with programmable compliance |
03/20/1991 | EP0418200A1 Linear guide |
03/05/1991 | USH900 Magnetic repulsion supported ring |
12/27/1990 | EP0404147A1 Controlled levitation/suspension in a magnet-superconductor system |
08/23/1990 | DE3905640A1 Magnetic coupling for contactless transmission of forces out of sealed chambers |
04/05/1990 | WO1990003684A1 Electric machinery employing a superconductor element |
04/05/1990 | WO1990003524A1 Bearing system employing a superconductor element |
01/31/1990 | CN2052063U Magnetically-driven compressor |
01/09/1990 | US4892863 Electric machinery employing a superconductor element |
10/31/1989 | US4876765 Door apparatus with magnetic support |
10/17/1989 | US4874998 Magnetically levitated fine motion robot wrist with programmable compliance |
10/04/1989 | EP0335719A2 Attraction type magnetic levitating apparatus |
08/16/1989 | EP0328306A1 Magnetic head assembly and disk file employing same |
08/01/1989 | US4852367 Magnet system |
06/21/1989 | EP0320830A2 Magnet system |
01/10/1989 | US4797386 Superconductor-magnet induced separation |
12/14/1988 | EP0294760A1 Magnetically levitated fine motion robot wrist with programmable compliance |
09/29/1988 | DE3708962A1 Platform which is supported by a magnetic field, consisting of frame structure, power supply system, component and passenger protection means, position regulator and control device and at least three superconductive coils which are partially shielded from external magnetic fields |
08/02/1988 | US4761579 Electromagnetic levitation device |
11/25/1987 | EP0246550A1 Electromagnetic levitation device |
10/13/1987 | US4698876 Door apparatus partially supported by a magnetic mechanism |
03/19/1987 | DE3532694A1 Magnetic slide |
02/17/1987 | US4644205 Positioning device of magnetic suspension type |
09/24/1986 | EP0195585A2 Door apparatus |
09/10/1986 | EP0193664A1 Magnetic levitation system |
04/09/1986 | EP0177274A2 Positioning device of magnetic suspension type |
01/02/1986 | EP0166350A2 Stop-positioning device for linear induction motor |
05/21/1985 | US4518840 Method and apparatus for minimizing the power induced in a flat conducting product maintained in position electromagnetically without contact |
03/27/1985 | EP0134856A1 Dampening vibration of rotating shafts |
11/27/1984 | CA1178654A1 Induction type position system |
07/31/1984 | US4463290 Induction type positioning system |
08/31/1983 | EP0087345A1 Process and devices for minimizing the induced power in a flat conducting product suspended electromagnetically without contact |
08/17/1983 | EP0085745A2 Fine rotation mechanism |
12/16/1981 | EP0041846A1 Induction type positioning system |
12/01/1981 | US4303844 Small D.C. motor |
11/18/1980 | US4233905 Magnetically suspended vehicle |
07/15/1980 | US4212249 Dynamic-compensating magnetic support apparatus |
09/20/1977 | US4049983 Electromagnetic levitation |
03/22/1977 | US4013906 Electromagnetic levitation |