G04B 17/066
Manufacture of the spiral spring
Official title: {Manufacture of the spiral spring (locking of the spiral spring by the regulating lever G04B18/026; spiral spring with temperature compensation G04B17/227; fixation of the spiral spring on the collet G04B17/32; mainspring G04B1/14)}
G04B17/066 (Manufacture of the spiral spring) appears on 156 US grants and 198 published applications in this corpus.
Search patents in G04B- Granted patents
- 156
- Published applications
- 198
- Assignees
- 48
- Inventors
- 222
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 5 |
| 2007 | 2 | 2 |
| 2008 | 1 | 2 |
| 2009 | 0 | 4 |
| 2010 | 5 | 7 |
| 2011 | 3 | 10 |
| 2012 | 6 | 12 |
| 2013 | 8 | 3 |
| 2014 | 14 | 12 |
| 2015 | 10 | 14 |
| 2016 | 10 | 8 |
| 2017 | 5 | 19 |
| 2018 | 9 | 7 |
| 2019 | 18 | 20 |
| 2020 | 5 | 11 |
| 2021 | 5 | 10 |
| 2022 | 10 | 8 |
| 2023 | 12 | 9 |
| 2024 | 13 | 10 |
| 2025 | 10 | 15 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for treating a balance spring for a horological movement29 Sep 2026US 12,748,383 B2Nivarox-FAR S. A.
- Spiral spring for a horological resonator mechanism provided with means for adjusting the stiffness18 Aug 2026US 12,710,725 B2Omega SA
- Process for producing a thermo-compensated oscillator14 Jul 2026US 12,681,435 B2Rolex SA
- Method for manufacturing a sprung balance oscillator for high torque variation balance springs12 May 2026US 12,625,467 B2Nivarox-FAR S. A.
- Balance spring of a sprung balance assembly of a mechanical horological movement27 Jan 2026US 12,535,770 B2ETA SA Manufacture Horlogere Suisse
- Method for manufacturing a series of timepiece movements10 Sep 2026US 2026/0267288 A1Breitling SA
- Timepiece component, timepiece movement, timepiece, and method for manufacturing timepiece component23 Jul 2026US 2026/0211373 A1Seiko Watch Kabushiki Kaisha (Trading AS Seiko Watch Corporation)
- Horology component coloured by interference effect25 Jun 2026US 2026/0177125 A1Nivarox-FAR S. A.
- Manufacturing method for mechanical resonators18 Jun 2026US 2026/0169432 A1Nivarox-FAR S. A.
- Manufacturing method for mechanical resonators18 Jun 2026US 2026/0169433 A1Nivarox-FAR S. A.
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
- Hairspring for a balance wheel/hairspring resonator16US 8,002,460 B2Rolex SA · 2011
- Spring, mainspring, hairspring, and driving mechanism and timepiece based thereon15US 6,863,435 B2Seiko Epson Corporation · 2005