G04B 17/04
Oscillators acting by spring tension
G04B17/04 (Oscillators acting by spring tension) appears on 416 US grants and 505 published applications in this corpus.
Search patents in G04B- Granted patents
- 416
- Published applications
- 505
- Assignees
- 95
- Inventors
- 411
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 2 |
| 2003 | 4 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 2 | 5 |
| 2007 | 3 | 4 |
| 2008 | 2 | 4 |
| 2009 | 0 | 6 |
| 2010 | 7 | 13 |
| 2011 | 6 | 17 |
| 2012 | 11 | 18 |
| 2013 | 12 | 13 |
| 2014 | 22 | 28 |
| 2015 | 36 | 35 |
| 2016 | 33 | 26 |
| 2017 | 18 | 41 |
| 2018 | 27 | 31 |
| 2019 | 34 | 43 |
| 2020 | 15 | 44 |
| 2021 | 14 | 33 |
| 2022 | 34 | 28 |
| 2023 | 42 | 33 |
| 2024 | 34 | 31 |
| 2025 | 26 | 28 |
| 2026 | 24 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device for autonomously adjusting the active length of a balance spring6 Oct 2026US 12,754,514 B2The Swatch Group Research and Development Ltd
- Part for attaching an outer last coil of a balance spring of a horological movement29 Sep 2026US 12,748,379 B2ETA SA Manufacture Horlogere Suisse
- Compensation of rate variation in a watch29 Sep 2026US 12,748,380 B2Omega SA
- Method for treating a balance spring for a horological movement29 Sep 2026US 12,748,383 B2Nivarox-FAR S. A.
- Flexible guide with adjustable translation table for rotary resonator mechanism, in particular of a horological movement8 Sep 2026US 12,730,411 B2The Swatch Group Research and Development Ltd
- Device with adjustable lateral stop for a horology movement8 Oct 2026US 2026/0310133 A1The Swatch Group Research and Development Ltd
- Temperature compensation-type balance with hairspring, movement, and timepiece17 Sep 2026US 2026/0277160 A1Seiko Watch Kabushiki Kaisha (Trading AS Seiko Watch Corporation)
- Method for manufacturing a series of timepiece movements10 Sep 2026US 2026/0267288 A1Breitling SA
- Regulating system for a timepiece movement30 Jul 2026US 2026/0219636 A1Csem SA
- Regulating system for a timepiece movement23 Jul 2026US 2026/0211372 A1Rolex SA
Most cited
By later US patents
- Self-compensating balance spring for a mechanical oscillator of a balance-spring/balance assembly of a watch movement and process for manufacturing this balance-spring31US 5,881,026 AMontres Rolex S. A. · 1999
- Watch hairspring and method for making same28US 7,077,562 B2CSEM Centre Suisse d'Electronique et de Microtechnique SA · 2006
- Method for manufacturing a balance-spring obtained according to said method18US 5,907,524 AETA SA Fabriques d'Ebauches · 1999
- Mechanical timepiece with posture detector18US 6,520,674 B1Seiko Instruments Inc. · 2003
- Hairspring for a balance wheel/hairspring resonator16US 8,002,460 B2Rolex SA · 2011