| Patents for F03G 1 - Spring motors (975) |
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| 06/13/2001 | CN1067145C Spring energy accumulator and its operation method |
| 05/30/2001 | CN2432351Y Spring power cochain gearbox |
| 05/23/2001 | EP1101919A2 Worm driving a servo actuator with spring return and rotary valve employing same |
| 05/23/2001 | CN1296328A Generator and generator set obtaining useful electric energy by circularly-utilizing electric energy |
| 05/22/2001 | US6236118 Method of generating electricity |
| 05/22/2001 | US6234236 Cordless balanced window covering |
| 03/21/2001 | CN1288106A Enerlgy storage means |
| 03/14/2001 | CN2423423Y Bufter energy-storage mechanism adapted with permanent-magnetic mechanism |
| 03/13/2001 | US6199664 Spring motor for generating constant torque |
| 02/21/2001 | CN2420437Y Botton type spring motive gear box |
| 01/31/2001 | EP1072769A2 Power apparatus with low energy consumption |
| 01/17/2001 | CN1280249A Power transmission device and method |
| 01/11/2001 | WO2000058622A3 Mechanical power plant |
| 01/10/2001 | CN2414215Y Lever kinetic energy electricity generator |
| 01/04/2001 | WO2001000989A1 Device and method for accumulating mechanical energy |
| 12/19/2000 | CA2286496C Spring powered boat motor |
| 11/21/2000 | US6149094 Spring motor |
| 10/25/2000 | CN1271058A Mechanical energy converter |
| 10/10/2000 | US6129181 Constant force spring actuator |
| 10/05/2000 | WO2000058622A2 Mechanical power plant |
| 09/27/2000 | EP1039093A2 Cordless balanced window covering |
| 08/17/2000 | WO2000047892A1 Spring motor |
| 08/08/2000 | US6098757 Spring drive assembly |
| 07/19/2000 | CN2388411Y Fault ribbon swirl spring housing |
| 07/04/2000 | US6083061 Nonresonant boat motor |
| 06/28/2000 | EP1013871A1 Cordless, balanced window covering |
| 06/27/2000 | US6079471 Cordless, balanced window covering |
| 05/17/2000 | EP1001165A2 Spring motor for generating constant torque |
| 05/16/2000 | CA2288470A1 Spring motor for generating constant torque |
| 04/12/2000 | CN2373593Y Electric elastic energy-saving power machine |
| 04/12/2000 | CN2373592Y Regulate and control elastic energy-saving wind-driven generator |
| 03/30/2000 | DE19835117A1 Store for wind energy has incoming wind energy transmitted via cam star to lifting lever connected by freewheel to transport shaft turning spring store. |
| 03/29/2000 | CN1248674A Power machine without noise and environment pollution, and economic consumption |
| 03/15/2000 | CN2368998Y Coiled spring powering device |
| 03/15/2000 | CN2368997Y Transducer for inverting mechanical energy into electric energy |
| 03/14/2000 | US6035970 Lever-actuated bicycle energy storage assembly |
| 01/26/2000 | CN1242473A Vibration type actuator and vibration type driving apparatus |
| 12/21/1999 | CA2200022C Spring motor |
| 12/15/1999 | CN2353920Y Mechanic energy-storage generator |
| 12/02/1999 | WO1999061792A1 Constant force spring actuator |
| 12/01/1999 | CN1237250A Spring, power spring, hair spring, driving mechanism utilizing them, and timepiece |
| 11/17/1999 | EP0861372A4 Motor mechanism for child's swing |
| 11/03/1999 | CN2347077Y Self-supplying electrothermal kitchen range |
| 09/15/1999 | EP0942337A1 Spring, power spring, hair spring, driving mechanism utilizing them, and timepiece |
| 09/15/1999 | CN1228509A Fuel economizer for vehicle |
| 08/18/1999 | CN1225979A Multiplication-type spring |
| 06/17/1999 | WO1999030312A1 A device for limiting an angle change and a toy comprising such device |
| 06/08/1999 | US5909784 Spring motor |
| 05/12/1999 | CN1216344A Elastic engine |
| 04/28/1999 | CN2316482Y Spring electric generator |
| 04/21/1999 | CN2315708Y Spring power generating type AC/DC power supply |
| 04/21/1999 | CN1214411A Spiral spring type miniature power generator |
| 04/20/1999 | US5894632 Energy storing spring joint |
| 03/11/1999 | WO1999012080A1 Spring, power spring, hair spring, driving mechanism utilizing them, and timepiece |
| 03/09/1999 | US5880532 Wind-up power source with spring motor and vehicle incorporating same |
| 12/16/1998 | CN1202222A Motor mechanism for child's swing |
| 10/22/1998 | DE19716270A1 Construction of rotating bodies on basis of inner physics for use in e.g. wind-driven propellers |
| 10/07/1998 | CN1195071A Spring accumulator and operating method |
| 09/16/1998 | CN1193077A Spring-force generator |
| 09/02/1998 | EP0861372A1 Motor mechanism for child's swing |
| 08/26/1998 | EP0680541B1 Energy storing spring joint |
| 08/04/1998 | US5788014 Motor mechanism for child's swing |
| 07/08/1998 | EP0685036A4 Linear actuator with speed controlling brake. |
| 05/27/1998 | CN1182833A Elastic energy resilience power motor |
| 05/14/1998 | DE4490274C1 Energy storing spring joint |
| 02/19/1998 | DE19633212A1 Rigid rotary wind rotor for power generation |
| 02/12/1998 | WO1998006162A1 Small-sized flat power generator |
| 01/28/1998 | CN1171491A Spring motor |
| 12/30/1997 | US5701785 Driving structure of the external rotary disk of the crystal ball |
| 12/17/1997 | CN2270821Y Level spring motor |
| 12/03/1997 | CN2269475Y Helicoid spring tube |
| 10/15/1997 | CN2264812Y Spring-driven generating device |
| 10/08/1997 | CN2264257Y Elastic power generator set |
| 10/02/1997 | DE19611816A1 Portable device for current generation, esp. for supplying small electrical devices, e.g. portable games equipment or computers |
| 09/24/1997 | EP0796994A2 Spring motor |
| 09/03/1997 | CN2261516Y Mainspring electric power supply |
| 06/26/1997 | DE19646751A1 Power drive using vertical force |
| 06/24/1997 | US5641229 Sample rotator with manually energized spring motor |
| 06/03/1997 | US5634241 For the storage of energy to be used between two parts |
| 05/22/1997 | WO1997018392A1 Motor mechanism for child's swing |
| 05/22/1997 | CA2253638A1 Motor mechanism for child's swing |
| 05/13/1997 | US5630155 Portable computer system with mechanism for accumulating mechanical energy for powering the system |
| 04/02/1997 | CN1146530A Constant spring motor |
| 01/07/1997 | US5590741 For storing and releasing energy to power an apparatus |
| 12/17/1996 | US5585578 Structure of an operative part of a rotating member |
| 10/16/1996 | CN2237734Y Spring power unit |
| 09/25/1996 | CN1131727A Spring power machine |
| 09/06/1996 | WO1996027083A1 Energy accumulator |
| 09/05/1996 | DE19516148A1 Auf- und entladbare Energiespeicher Up and dischargeable energy storage |
| 07/02/1996 | US5531257 Cordless, balanced window covering |
| 03/26/1996 | US5501305 Device for generating a reversible working stroke |
| 02/14/1996 | CN1116866A Energy storing spring joint |
| 01/24/1996 | CN1115359A Civil-use miniature spiral power spring power station |
| 01/18/1996 | DE4042526A1 Brake used as mechanical energy storage system in motor vehicle |
| 01/17/1996 | CN1115007A Differential power machine |
| 01/09/1996 | US5482100 Cordless, balanced venetian blind or shade with consistent variable force spring motor |
| 12/06/1995 | EP0685036A1 Linear actuator with speed controlling brake |
| 11/08/1995 | EP0680541A1 Energy storing spring joint |
| 10/18/1995 | EP0677638A1 Cordless, balanced window covering |
| 08/30/1995 | CN1029638C Constant torque spring engine |