G04D 7/00
Measuring, counting, calibrating, testing or regulating apparatus
Official title: Measuring, counting, calibrating, testing or regulating apparatus {(measuring devices and calibers in general G01B; counters in general H03K)}
G04D7/00 (Measuring, counting, calibrating, testing or regulating apparatus) appears on 233 US grants and 210 published applications in this corpus.
Search patents in G04D- Granted patents
- 233
- Published applications
- 210
- Assignees
- 103
- Inventors
- 380
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 9 | 0 |
| 1978 | 10 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 2 |
| 2003 | 4 | 1 |
| 2004 | 1 | 0 |
| 2005 | 2 | 4 |
| 2006 | 1 | 2 |
| 2007 | 3 | 6 |
| 2008 | 2 | 1 |
| 2009 | 2 | 3 |
| 2010 | 0 | 4 |
| 2011 | 2 | 2 |
| 2012 | 1 | 4 |
| 2013 | 3 | 6 |
| 2014 | 4 | 10 |
| 2015 | 3 | 15 |
| 2016 | 16 | 3 |
| 2017 | 7 | 13 |
| 2018 | 5 | 10 |
| 2019 | 10 | 14 |
| 2020 | 7 | 12 |
| 2021 | 12 | 18 |
| 2022 | 9 | 19 |
| 2023 | 16 | 15 |
| 2024 | 20 | 16 |
| 2025 | 12 | 18 |
| 2026 | 10 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G04D 7/12Timing devices for clocks or watches for comparing the rate of the101
- G04D 7/006Testing apparatus for complete clockworks with regard to external influences or general68
- G04D 7/002Electrical measuring and testing apparatus41
- G04D 7/004Optical measuring and testing apparatus30
- G04D 7/08Measuring, counting, calibrating, testing or regulating apparatus: for balance wheels20
- G04D 7/10Measuring, counting, calibrating, testing or regulating apparatus: for hairsprings of balances18
- G04D 7/001Purely mechanical measuring and testing apparatus7
- G04D 7/04Measuring, counting, calibrating, testing or regulating apparatus: for gearwork6
Recent patents
- Electronic timepiece, hand position detection method and storage medium29 Sep 2026US 12,748,384 B2Casio Computer Co., Ltd.
- Wristwatch with a clock generator assembly22 Sep 2026US 12,743,055 B2Realization Desal AG
- Method for testing and manufacturing spiral springs for a timepiece23 Jun 2026US 12,663,760 B2Richemont International SA
- Method for optimizing an operation of setting and winding a watch, and device for implementation of same26 May 2026US 12,638,811 B2Montres Breguet S. A.
- Method for manufacturing a sprung balance oscillator for high torque variation balance springs12 May 2026US 12,625,467 B2Nivarox-FAR S. A.
- Method and System for Registration of Watches24 Sep 2026US 2026/0288079 A1U-NICA Solutions AG
- Method for manufacturing a series of timepiece movements10 Sep 2026US 2026/0267288 A1Breitling SA
- Method for setting the time on a watch positioned on a support, implementing neural networks27 Aug 2026US 2026/0253388 A1Montres Breguet S. A.
- Method for the preparation of a timepiece stone for measuring roughness, and measurement method9 Jul 2026US 2026/0194862 A1Rolex SA
- Method for manufacturing an oscillating member18 Jun 2026US 2026/0169440 A1Nivarox-FAR S. A.
Most cited
By later US patents
- Portable programmer for time-of-day metering register system and method of using same46US 4,093,997 AGeneral Electric Company · 1978
- Automated watch winder and method of using the same45US 5,988,871 A1999
- Controllable watch winder for self-winding watches39US 7,575,367 B2Wolf Designs, Inc. · 2009
- Watch winder having wireless energy transferring function39US 8,714,813 B2Gooten Innolife Corporation · 2014
- Non-linear vibration device35US 5,608,693 A1997