Patents for G04B 1 - Driving mechanisms (748) |
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01/07/1998 | EP0816955A1 Electronic circuit and timepiece containing such a circuit |
11/12/1997 | EP0806712A2 Mechanical watch-movement with incorporated chronometer movement (chronograph movement) |
10/30/1997 | DE19617002A1 Lifting device for mechanical clock mechanism |
07/16/1997 | CN2257934Y Clock pendulum driving gear of decorative clock |
04/17/1997 | DE19642566A1 Aufbau einer Hauptfeder für eine manuell aufziehbare mechanische Uhr Construction of a main spring for a manual wind-up mechanical clock |
03/04/1997 | US5608694 Mechanical timepiece provided with a tourbillon |
07/23/1996 | US5539708 Spring-barrel supplying constant torque |
12/13/1995 | CN1113326A Mechanical timepiece provided with a tourbilion |
11/08/1995 | EP0681227A1 Mechanical timepiece provided with a tourillon |
08/02/1995 | CN1029429C Hydro-power clock |
05/31/1995 | CN2199551Y Glide clocks and watches without clockwork spring |
04/19/1995 | EP0649075A1 Spring barrel delivering a constant torque |
03/30/1994 | EP0589810A1 Rack-clock with winding mechanism activated through turning upside down |
01/11/1994 | US5278807 Extra-thin watch movement |
12/15/1993 | EP0573839A1 Extra-flat clockwork-movement |
09/09/1993 | DE4207122A1 Time indicator powered by gravity force with first and second tubular volumes - arranged one above other and connected by choke, in which non-gaseous flowable medium moves according to gravity force and its meniscus is assigned to time scale |
05/26/1993 | CN1072514A Hydro power clock |
05/25/1993 | US5213181 Winder assembly having a spindle |
08/12/1992 | CN2112848U Pendulum bob type mechanical clock transmission system |
10/16/1991 | EP0451336A1 Mainspring assembly |
08/08/1990 | CN2060236U Reversion pointer type clocks and watches |
11/07/1989 | US4879701 Memorialized case clocks |
07/19/1989 | CN2041433U Mechanical clock lasted up to 60 days |
05/27/1987 | EP0223550A2 Downhole clock spring |
05/12/1987 | US4664531 Downhole clock spring |
03/10/1987 | US4648721 Quickly resettable timer |
09/04/1984 | US4469447 Submerged ornamental clock operated by air bubbles |
08/07/1984 | US4464216 Glass or graphite fiber, hardenable resin |
06/19/1984 | US4455094 Motion apparatus |
02/08/1983 | US4372688 Liquid operated clock |
12/14/1982 | US4363553 Watch mechanism incorporating two barrels |
12/07/1982 | CA1136865A1 Air operated clock |
02/09/1982 | US4315327 Air operated clock |
09/09/1980 | CA1085174A1 Watch movement |
05/27/1980 | CA1078197A1 Pivoting device for a watch barrel |
10/16/1979 | US4170869 Air operated hour clock |
04/17/1979 | US4149707 Spring device |
01/02/1979 | US4132061 Watch movement |
11/07/1978 | US4123898 Counterweight shell for clocks |
10/03/1978 | US4117664 Pivoting device for a watch barrel |
03/07/1978 | US4077201 Extractable barrel-arbor |
06/14/1977 | US4028877 Fluid operated clock |
04/05/1977 | US4015421 Mainspring mechanism and spring barrel assembly |
12/28/1976 | US3999367 Cable drive movement for clocks |
08/17/1976 | US3974639 Driving device for mechanical timepiece movements |
04/20/1976 | US3950939 Digital display with stepping device |
03/23/1976 | US3945197 Timepiece |
01/13/1976 | US3931832 Timing device for pneumatic control systems |