| Patents for G04B 17 - Mechanisms for stabilising frequency (1,381) |
|---|
| 11/26/1997 | CN1165989A Stabilising of electronic circuit for regulating mechanical movement of timepiece |
| 11/12/1997 | EP0806710A1 Stabilisation of an electronic circuit for regulating the mechanical movement of a timepiece |
| 08/27/1997 | CN1157947A Pendulum device |
| 06/10/1997 | US5638340 Clock having magnetically-levitated pendulum |
| 04/09/1997 | CN1147100A Timepiece having power reserve indicator |
| 03/25/1997 | US5615178 Electronic control timepiece |
| 03/13/1997 | WO1997009657A1 Timepiece movement |
| 03/12/1997 | EP0762243A1 Timepiece with power-reserve indication |
| 03/04/1997 | US5608694 Mechanical timepiece provided with a tourbillon |
| 02/27/1997 | WO1997007435A1 Mechanical timepiece with tourbillon mechanism |
| 10/23/1996 | EP0580580B1 Patterned indicators |
| 09/18/1996 | CN2235629Y Fixed weight type clock |
| 08/21/1996 | EP0727721A1 Electric timepiece, in particular wristwatch |
| 07/09/1996 | US5535178 For a torsion pendulum clock |
| 05/22/1996 | CN1122920A A timepiece driven by a source of mechanical energy and regulated by an electric circuit |
| 05/14/1996 | US5517469 Timepiece driven by a source of mechanical energy and regulated by an electric circuit |
| 02/07/1996 | EP0695978A1 Electronic control timepiece |
| 12/13/1995 | CN1113326A Mechanical timepiece provided with a tourbilion |
| 11/08/1995 | EP0681227A1 Mechanical timepiece provided with a tourillon |
| 11/08/1995 | CN2212214Y Oscillator turning device of floor clock |
| 11/02/1995 | EP0679968A1 Timepiece driven by a mechanical power source and regulated by an electronic circuit |
| 08/29/1995 | US5446704 Structure of clock |
| 11/02/1994 | CN2181702Y Self-threading pendulum bearing bolt |
| 02/08/1994 | US5285429 Sound-producing attachment for a clock pendulum |
| 02/02/1994 | EP0580580A1 Patterned indicators. |
| 01/26/1994 | CN2154497Y Pendulum of clock |
| 12/15/1993 | CN2149644Y Mechanism for fixing stud of a wrist watch |
| 12/07/1993 | US5268881 Compensator for a mechanical pendulum clock |
| 11/24/1993 | CN2147562Y Pendulum for standing clock |
| 10/06/1993 | CN2143341Y Decorative clock with single pendulum |
| 12/28/1992 | WO1993000669A1 Patterned indicators |
| 09/23/1992 | EP0504625A1 Compensator for a mechanical pendulum clock |
| 08/18/1992 | US5140565 Cycloidal pendulum |
| 07/01/1992 | CN2108944U Pendulum |
| 04/01/1992 | CN1016113B Electronic timepiece |
| 03/25/1992 | CN2099991U Torsional-wire torsional-pendulum device for floor clock |
| 07/03/1991 | CN2080186U Pendulum system |
| 04/09/1991 | US5007036 Case clock with illuminated pendulum |
| 11/21/1990 | CN2066159U Non-pendulum machinery craft clocks and watches |
| 10/18/1990 | WO1990012345A1 Clock mechanisms |
| 02/06/1990 | US4899324 Clock with pendular element |
| 01/24/1990 | CN2051750U Pendulum mechanism for quartz integrated pendulum clocks |
| 08/09/1989 | CN1034623A Electronic timepiece ii |
| 06/14/1989 | CN2039437U Mechanical clock with twisting pendulum |
| 05/09/1989 | US4829495 Pendulum device for clocks |
| 11/17/1987 | US4707143 Device for driving twist pendulums |
| 10/07/1987 | EP0239820A1 Mechanical-to-electrical energy converter |
| 04/22/1987 | EP0131604B1 Pendulum device |
| 07/15/1986 | US4600315 Whole body swingable clock |
| 05/06/1986 | US4586827 Information system |
| 10/01/1985 | US4544282 Pendulum means |
| 01/23/1985 | EP0131604A1 Pendulum device. |
| 12/27/1984 | CA1179851A Apparatus and method for monitoring the service life of adsorption cartridges used for desiccating and/or cleansing moist pressurized air |
| 11/13/1984 | US4482260 Electromechanical clock |
| 08/28/1984 | CA1173256A1 Electromechanical clock |
| 07/19/1984 | WO1984002811A1 Pendulum device |
| 04/05/1983 | CA1143955A1 Clock with rotary pendulum |
| 03/29/1983 | US4378166 Pendulum arrangement of pendulum clock |
| 12/29/1981 | US4308606 Clock with rotary pendulum |
| 12/29/1981 | US4308605 Balance wheel assembly |
| 12/23/1980 | US4241437 Simulated pendulum clock |
| 09/09/1980 | CA1085174A1 Watch movement |
| 02/20/1979 | US4139981 Escapement mechanism for pendulum clocks |
| 01/02/1979 | US4132061 Watch movement |
| 12/05/1978 | US4127986 Pendulum clock mechanism |
| 09/26/1978 | US4115996 Self actuating pendulum system |
| 04/11/1978 | US4083179 Regulator key for watch movements |
| 11/01/1977 | US4055944 Securing device for the outer end of the hair-spring of a timepiece |
| 08/23/1977 | US4043118 Pendulum device for battery-powered clockwork mechanism |
| 07/05/1977 | USRE29290 Pendulum and escapement anchor relationship indicator and setter |
| 05/03/1977 | US4020624 Pendulum clock |
| 08/10/1976 | US3974001 Paramagnetic alloy |
| 05/18/1976 | US3956881 Hairspring and collet assembly for timepieces |
| 05/04/1976 | USRE28794 Balance wheel |
| 04/27/1976 | US3952497 Method and apparatus for synchronizing andoscillating system which is driven by an energy storage device |
| 04/20/1976 | US3950938 Two conductor hairspring-hub arrangement for electric watches |
| 03/16/1976 | US3943701 Regulator and balance bridge arrangement for a horological device |
| 03/09/1976 | US3942317 Component parts for watch movements |
| 02/10/1976 | US3937001 Watch movement driven by a spring and regulated by an electronic circuit |
| 01/27/1976 | US3934406 Balance wheel assembly and method for manufacture thereof |
| 01/27/1976 | US3934403 Fixation of double conducting hairspring |