| Patents for G04B 13 - Gearwork (1,123) |
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| 06/08/2004 | US6748395 System and method for dynamic playlist of media |
| 05/13/2004 | US20040089139 Systems and methods for creating, modifying, interacting with and playing musical compositions |
| 05/12/2004 | CN2615708Y Clock & watch friction sub-gear structure |
| 04/21/2004 | EP1411400A1 Fixation device for a coaxial wheel in a timepiece, in particular of a date display disc |
| 04/01/2004 | US20040062147 Timer of electric timepiece |
| 03/30/2004 | US6714487 Watch movement with a microgenerator and method for testing watch movements |
| 02/10/2004 | US6688765 Clutch wheel for a timepiece |
| 02/04/2004 | EP1386982A1 Peak torque lowering composition, part with sliding part using the composition, and press-fitting method using the composition |
| 02/04/2004 | CN1473287A Timer of electric timepiece |
| 02/03/2004 | US6687192 Timepiece movement |
| 02/03/2004 | US6685352 Timepiece power reserve indicator device |
| 01/21/2004 | EP1381920A1 Temperature responsive self winding timepieces |
| 01/14/2004 | CN1134716C Clockwork comprising microgenerator |
| 12/17/2003 | CN2593236Y Special clock dual-clutch mechanism |
| 12/17/2003 | CN1462320A Peak torque lowering compostion, part with sliding part using the composition and press-fitting method using the composition |
| 12/03/2003 | CN2590045Y Novel assembly arrangements for pointer type quartz accutron second wheel component |
| 10/22/2003 | CN2582032Y Second wheel for watch |
| 10/01/2003 | CN1122896C Manufacturing method of gear wheel of clocks and watches and gearwheel made by said method |
| 08/06/2003 | EP1333343A1 Timer of electric timepiece |
| 07/23/2003 | CN1431648A Performance data transmitting control appts. and electronic musical instrument able to obtain such performance data |
| 07/17/2003 | US20030131716 Performance data transmission controlling apparatus and electronic musical instrument capable of acquiring performance data |
| 07/17/2003 | US20030131715 Systems and methods for creating, modifying, interacting with and playing musical compositions |
| 07/09/2003 | EP1326228A1 Systems and methods for creating, modifying, interacting with and playing musical compositions |
| 07/03/2003 | WO2003054637A1 Timepiece, having bearing portion formed of resin and wheel train |
| 07/03/2003 | WO2003054636A1 Timepiece including base plate formed of resin and wheel train |
| 06/25/2003 | CN2557985Y Minute pointer wheel for quartz clock |
| 06/12/2003 | US20030109387 Peak torque lowering composition, part with sliding part using the composition, and press-fitting method using the composition |
| 05/08/2003 | WO2003037988A1 Slide part and precision part, and timepiece and electronic device using them |
| 05/02/2003 | EP1306734A2 Clockwork component and manufacturing method thereof |
| 02/06/2003 | WO2003010610A1 Temperature responsive self winding timepieces |
| 01/02/2003 | DE10200284C1 Timepiece analogue display device has minutes display extending over angular range of less than 360 degrees with jumping between 60 minutes and 0 minutes positions |
| 11/14/2002 | WO2002090618A1 Peak torque lowering composition, part with sliding part using the composition, and press-fitting method using the composition |
| 11/13/2002 | CN1379297A Timepiece movement |
| 10/09/2002 | EP1248164A1 Clockwork |
| 10/03/2002 | US20020141292 Timepiece movement |
| 10/01/2002 | US6457856 Temperature responsive self winding timepieces |
| 07/23/2002 | US6422348 Transmission wheel, method for manufacturing transmission wheel and self-winding wheel train structure having transmission wheel |
| 07/03/2002 | CN1356604A Stacked assembly for generating more component units of electronic or electromechanical equipment |
| 06/05/2002 | EP1211578A1 Assembling by piling a plurality of modules forming an electromagnetic device, in particular for an ultra thin time piece |
| 05/30/2002 | US20020064097 Stacked assembly of a plurality of modules forming an electronic or electromechanical device, in particular for an ultra-thin timepiece |
| 05/29/2002 | CN2493955Y Time wheel fixing structure for wristwatch movement |
| 05/23/2002 | US20020060954 Watch movement with a microgenerator and method for testing watch movements |
| 05/16/2002 | WO2002039197A1 Timer of electric timepiece |
| 05/01/2002 | CN1347521A Clockwork comprising microgenerator and testing method for clockworks |
| 04/09/2002 | US6367966 Timepiece |
| 02/20/2002 | CN2478144Y Analog-type clock |
| 01/16/2002 | EP1171806A1 Clockwork comprising a microgenerator and a testing method for clockworks |
| 11/07/2001 | CN1320849A Clutch wheel for watch or clock |
| 10/24/2001 | CN2456189Y 24 hour clock |
| 10/04/2001 | US20010026501 Clutch wheel for a timepiece |
| 10/04/2001 | EP1139183A1 Clutch wheel for a timepiece |
| 10/03/2001 | CN1315680A Seat board for clock |
| 07/11/2001 | EP1115041A1 Fast correction device for calendar watch |
| 03/28/2001 | CN1289417A Timepiece |
| 03/21/2001 | CN1288530A Transmission gear, method of mfg. same, and automatically wound gear train structure |
| 02/28/2001 | CN2421671Y 24 hour timing clocks and watches |
| 02/07/2001 | EP1074897A1 Device for displaying the power-reserve of a timepiece |
| 02/07/2001 | CN2418504Y Harmonic driving clock movement of large-dial clock |
| 01/03/2001 | CN2413306Y Turret clock movement driving mechanism |
| 11/15/2000 | EP1052557A1 Timepiece |
| 10/26/2000 | WO2000063749A1 Clockwork comprising a microgenerator and a testing method for clockworks |
| 10/25/2000 | EP1046964A1 Transmission gear, method of manufacturing the same, and automatically wound gear train structure |
| 08/23/2000 | CN2393130Y Human-body's biological clock |
| 07/19/2000 | CN1054692C Timepiece movement with second stop device |
| 07/04/2000 | US6082001 Method for manufacturing a clockwork wheel |
| 06/08/2000 | WO2000033143A1 Timepiece |
| 05/17/2000 | CN1253315A Manufacturing method of gear wheel of clocks and watches and gearwheel made by said method |
| 04/19/2000 | EP0994398A1 Method for manufacturing a gear wheel for a timepiece and gear wheel manufactured by said method |
| 04/05/2000 | CN2372704Y Time hand running gear mechanism for clocks and watches |
| 01/05/2000 | CN1048096C Viscous coupling gear device |
| 10/06/1999 | CN1045493C 闹钟 Alarm Clock |
| 09/22/1999 | CN2340010Y Movement of quartz clock |
| 07/28/1999 | CN2331010Y 24-hour system time piece |
| 07/15/1999 | WO1999035539A1 Transmission gear, method of manufacturing the same, and automatically wound gear train structure |
| 12/02/1998 | CN2299332Y Clock |
| 10/01/1998 | DE19711604A1 Counter rotation frame to provide second display for mechanical wrist=watches |
| 05/12/1998 | US5751664 Hand rotating mechanism for electronic watch |
| 05/05/1998 | US5746092 Viscous coupling gear device |
| 03/18/1998 | CN2276641Y Clocks and watches exle waterproof sealing cover |
| 01/27/1998 | US5712831 Timepiece |
| 12/17/1997 | EP0813124A1 Display |
| 11/12/1997 | EP0806712A2 Mechanical watch-movement with incorporated chronometer movement (chronograph movement) |
| 09/30/1997 | US5673239 Clock movement power transmission union |
| 09/24/1997 | CN2263359Y Structure for indicating 24 hours of wrist watch centre |
| 06/26/1997 | WO1997022912A1 Display |
| 04/15/1997 | US5621704 Timepiece movement with a second stop device |
| 08/07/1996 | CN1128365A Timepiece movement with second stop device |
| 07/03/1996 | EP0720073A2 Hand rotating mechanism for electronic watch |
| 05/29/1996 | CN1123422A Viscous coupling gear device |
| 05/14/1996 | US5515607 Method of manufacturing a timepiece wheel |
| 02/07/1996 | CN1116327A 闹钟 Alarm Clock |
| 12/06/1995 | CN2214438Y Timer for railway ballast tamping tool |
| 11/15/1995 | CN1111766A Watch |
| 08/02/1995 | CN1029430C Gear mechanism especially for timepiese |
| 06/07/1995 | CN2200192Y Programmed multipurpose time controller |
| 05/16/1995 | US5416752 Timepiece |
| 11/29/1994 | US5369627 Improvements in bearing and frame structure of a timepiece |
| 07/06/1994 | CN2171125Y Clocks and watches |
| 02/01/1994 | US5283031 Process for producing precision metal part by powder molding wherein the hydrogen reduction loss is controlled |
| 01/19/1994 | CN2153820Y Clocks and watches with solar indicator |