| Patents for G04C 23 - Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals (976) |
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| 12/02/1987 | EP0247438A1 Correcting device for a time piece with a safety lock |
| 11/17/1987 | CA1229243A1 Timer drive mechanism |
| 11/11/1987 | CN86202736U Alarm clock for electric power control |
| 11/11/1987 | CN86202019U Day-and-night automatic controlled bell clock |
| 10/07/1987 | CN86210299U Power switch device for electric apparatus timed by the use of clock |
| 09/30/1987 | CN86204148U Multi-purpose automatic chronopher |
| 09/16/1987 | CN86206643U Time-setting switch |
| 08/26/1987 | CN86208662U Commanding clock |
| 08/18/1987 | US4687341 Timer |
| 08/12/1987 | CN85205668U Multipath real-time programming controller for household appliances |
| 08/12/1987 | CN85202647U Multifunction clock of terrestrial globe |
| 07/22/1987 | CN86207712U Alarm clock with programmable and controllable function |
| 05/20/1987 | CN86202999U Alarm-clock-controlling timer |
| 04/14/1987 | US4657404 Alarm signaling time indicating mechanism for an alarm clock |
| 04/08/1987 | EP0217008A1 Acoustic alarm setting device for a timepiece |
| 04/01/1987 | EP0216171A1 Multi alarm timepiece |
| 03/31/1987 | US4654493 Sliding switch |
| 03/24/1987 | US4652140 Multi alarm timepiece |
| 02/25/1987 | CN86105622A Preselected device for preselected clock |
| 02/25/1987 | CN85200921U Programmable controller with multiway sequential cycle logic switch |
| 02/24/1987 | US4645980 Lighting system having photosensing timing switch circuit |
| 12/16/1986 | US4629332 Timepiece with a quartz watch movement and an electrically controlled sound generator |
| 12/10/1986 | CN85104759A Switching device for timing switch |
| 11/26/1986 | EP0202495A1 Timer |
| 10/21/1986 | US4618264 Acoustic alarm setting device for a timepiece |
| 08/13/1986 | CN85203596U Multi-control domestic clock |
| 08/13/1986 | CN85203449U Procedure control clock with buzzer |
| 07/16/1986 | CN85104975A Clckwork-controlled delay timer |
| 07/02/1986 | CN85203778U Mulitfunction program-control clock |
| 06/11/1986 | EP0184224A2 Switching mechanism with plural ranges |
| 05/14/1986 | CN85200733U Automatic start and stop device |
| 04/01/1986 | US4580061 Time switches |
| 03/26/1986 | CN85201203U Alarm clock with time control function |
| 03/19/1986 | CN85202078U Multi-touch-position time control switch |
| 02/26/1986 | EP0172182A1 Device for mains-operated switch timers with electric running reserve. |
| 02/19/1986 | CN85200774U Multi-way self-controlled mechanically timer |
| 01/14/1986 | US4564827 Programmable control for a switching chronometer |
| 01/02/1986 | EP0166680A1 Time piece with a quartz movement and an electrically controlled sound generator |
| 12/10/1985 | US4558192 Multi-range timer switch device |
| 10/01/1985 | US4544813 Indexing plate for a time switch |
| 08/20/1985 | US4536626 Timer drive mechanism |
| 08/20/1985 | US4536093 Electronic timepiece with system for synchronizing hands |
| 07/18/1985 | WO1985003144A1 Device for mains-operated switch timers with electric running reserve |
| 07/18/1985 | WO1985003143A1 Device for mains-operated switch timers with electric running reserve |
| 07/02/1985 | US4526476 Correction system for hands display type of electronic timepiece |
| 05/28/1985 | US4520072 Dissolving a coloring substance in solvent and absorption on carrier |
| 03/26/1985 | US4507526 Module unit time switch disk assembly |
| 03/19/1985 | US4505594 Multi-function analogue type watch |
| 01/15/1985 | US4493559 Analogue alarm electronic timepiece |
| 10/03/1984 | EP0120398A2 Programmable command means for a switching time piece |
| 10/02/1984 | US4474480 Hand type musical timepiece |
| 08/14/1984 | US4465381 Timepiece with modular alarm activating mechanism |
| 08/07/1984 | US4463617 Milti-range cycle control timer unit |
| 03/13/1984 | US4436969 Timing device for time switch |
| 02/22/1984 | EP0101147A2 Improvements in and relating to lighting apparatus |
| 01/24/1984 | US4427301 Timepiece with an activating mechanism |
| 12/27/1983 | US4422775 Device for controlling the functions of a watch and for displaying the state of at least one of the controlled functions |
| 12/06/1983 | US4419019 Analog display type electronic timepiece |
| 11/15/1983 | US4415785 Timer switch |
| 11/01/1983 | US4412750 Timing mechanism with two separate programs operating separate switch actuators and having an alarm system |
| 07/27/1983 | EP0084193A1 Time piece with a short duration alarm |
| 06/29/1983 | EP0082286A1 Multi-range switching device |
| 06/07/1983 | US4387350 Watch circuit with oscillator gain control |
| 04/19/1983 | CA1145012A1 Control arrangments for heating systems |
| 03/30/1983 | EP0075535A1 Device for actuating the functions of a watch that can display the state of at least one of the actuated functions |
| 03/15/1983 | US4376994 Time detecting device for alarm clock |
| 02/22/1983 | US4375048 Programmable time switch |
| 02/08/1983 | CA1141009A1 Time switches |
| 02/01/1983 | US4371267 Time detecting device for alarm clock |
| 01/11/1983 | CA1139092A1 Photooxidation by exposure to visible light |
| 12/07/1982 | CA1136897A1 Timer utilizing novel clutch |
| 10/27/1982 | EP0063355A2 Timing device for time switch |
| 09/21/1982 | US4351043 Time detecting switch for an alarm clock |
| 09/15/1982 | EP0060216A1 Timepiece including a release mechanism |
| 09/15/1982 | EP0060215A1 Timepiece including a modular release mechanism |
| 08/18/1982 | EP0057771A2 Time switch device |
| 07/06/1982 | US4338681 Electric timing clock |
| 05/12/1982 | EP0051262A1 Programmable switch with plural ranges |
| 05/04/1982 | CA1123032A1 Timing mechanism with two separate programs operating separate switch actuators and having an alarm system |
| 04/06/1982 | US4323192 Control arrangements for heating circuits |
| 01/20/1982 | EP0043900A2 Switch disc for an electric time switch |
| 01/05/1982 | CA1115819A1 Replacement thermostat adapter wall plate |
| 12/15/1981 | US4305310 Timing device actuating means |
| 11/03/1981 | US4298972 Alarm signaling time detecting device for leaf type digital clock |
| 10/13/1981 | US4295015 Repeat type time switch |
| 10/06/1981 | US4293938 Alarm signaling time detecting device for digital clock |
| 09/01/1981 | US4287583 Control panel unit and timer unit and method therefor |
| 07/07/1981 | US4277840 Electronic timepiece |
| 05/26/1981 | CA1102022A1 Programming and selection monitoring system for television receivers |
| 05/05/1981 | US4266288 Electronic timepiece |
| 03/31/1981 | US4259736 Electronic timepiece |
| 02/24/1981 | US4253172 Electronic timepiece or analog type |
| 02/17/1981 | US4251878 Switching device for battery powered alarm clock |
| 02/10/1981 | US4250420 Sandwich structure for a combination motor and gear train with a timing mechanism |
| 12/30/1980 | US4242746 Timing mechanism with two separate programs operating separate switch actuators and having an alarm system |
| 12/23/1980 | US4241441 Electronic timepiece |
| 09/23/1980 | US4223523 Electronic analog alarm timepiece |
| 08/20/1980 | EP0014535A1 Control arrangements for heating systems |
| 08/12/1980 | US4216647 Electronic timepiece |
| 08/06/1980 | EP0014096A1 Time switches for central heating systems |