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