G04D 7/08
Measuring, counting, calibrating, testing or regulating apparatus: for balance wheels
Official title: for balance wheels
G04D7/08 (Measuring, counting, calibrating, testing or regulating apparatus: for balance wheels) appears on 20 US grants and 20 published applications in this corpus.
Search patents in G04D- Granted patents
- 20
- Published applications
- 20
- Assignees
- 8
- Inventors
- 40
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 0 | 2 |
| 2015 | 0 | 3 |
| 2016 | 3 | 0 |
| 2017 | 3 | 4 |
| 2018 | 3 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for printing a functional element on a timepiece component6 Jan 2026US 12,517,466 B2Csem Centre Suisse D'Electronique Et De Microtechnique SA—Recherche Et DéVeloppement
- Balance of a timepiece8 Aug 2023US 11,720,062 B2Csem Centre Suisse D'Electronique Et De Microtechnique SA—Recherche Et DéVeloppement
- Horological resonator mechanism with inertial mass with adjustment of inertia and/or unbalance1 Aug 2023US 11,714,386 B2The Swatch Group Research and Development Ltd
- Balance-hairspring oscillator for a timepiece15 Feb 2022US 11,249,440 B2Patek Philippe SA Geneve
- Timepiece rate adjustment method6 Jul 2021US 11,054,791 B2ETA SA Manufacture Horlogere Suisse
- Method for setting the rate of a regulating horology organ using a laser4 Jun 2026US 2026/0153838 A1ETA SA Manufacture Horlogere Suisse
- Method for printing a functional element on a timepiece component8 Feb 2024US 2024/0045380 A1Csem Centre Suisse D'Electronique Et De Microtechnique SA—Recherche Et DéVeloppement
- Horological resonator mechanism with inertial mass with adjustment of inertia and/or unbalance10 Jun 2021US 2021/0173350 A1The Swatch Group Research and Development Ltd
- Balance of a timepiece7 May 2020US 2020/0142359 A1Csem Centre Suisse D'Electronique Et De Microtechnique SA—Recherche Et DéVeloppement
- Timepiece rate adjustment method3 Oct 2019US 2019/0302700 A1ETA SA Manufacture Horlogere Suisse
Most cited
By later US patents
- Fixation of a spiral spring in a watch movement7US 8,147,127 B2Manufacture Roger Dubuis S.A. · 2012
- Rate adjusting method of mechanical timepieces6US 6,609,822 B1Seiko Instruments Inc. · 2003
- Method of adjusting the oscillation frequency of a timepiece sub-assembly4US 9,235,192 B2Nivarox-FAR S. A. · 2016
- Method for adjusting the oscillation frequency and/or adjusting the inertia and/or balancing of a movable timepiece movement component or of a timepiece spring balance assembly4US 9,436,162 B2ETA SA Manufacture Horlogere Suisse · 2016
- Device for measuring the torque of a hairspring3US 8,528,421 B2Rolex SA · 2013