G04B 18/026
Locking the hair spring in the indexing device
Official title: {Locking the hair spring in the indexing device, e.g. goupille of the raquette (hairsprings G04B17/066; locking the mainspring on the axle G04B1/18)}
G04B18/026 (Locking the hair spring in the indexing device) appears on 17 US grants and 29 published applications in this corpus.
Search patents in G04B- Granted patents
- 17
- Published applications
- 29
- Assignees
- 10
- Inventors
- 43
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 2 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 3 |
| 2023 | 1 | 3 |
| 2024 | 3 | 3 |
| 2025 | 1 | 7 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Spiral spring for a horological resonator mechanism provided with means for adjusting the stiffness18 Aug 2026US 12,710,725 B2Omega SA
- Timepiece regulating member comprising an index-assembly system provided with locking means23 Jun 2026US 12,663,757 B2ETA SA Manufacture Horlogere Suisse
- Regulator, movement, and watch30 Dec 2025US 12,510,864 B2Seiko Epson Corporation
- Balance spring and method for manufacturing the same26 Nov 2024US 12,153,380 B2Nivarox-FAR S. A.
- Spiral spring for timepiece resonator mechanism provided with means for setting the effective length of the spiral spring12 Nov 2024US 12,140,907 B2Omega SA
- Rate setting device for a timepiece19 Feb 2026US 2026/0050239 A1ETA SA Manufacture Horlogere Suisse
- Assembly of two timepiece components with improved assembly means12 Jun 2025US 2025/0189931 A1ETA SA Manufacture Horlogere Suisse
- Stud-holder for a horological regulating member comprising a stud fitted with an anti-jamming arm29 May 2025US 2025/0172910 A1ETA SA Manufacture Horlogere Suisse
- Watch movement with device for setting the frequency of a mechanical resonator8 May 2025US 2025/0147466 A1ETA SA Manufacture Horlogere Suisse
- Timepiece regulating member comprising an improved index system27 Mar 2025US 2025/0103006 A1ETA SA Manufacture Horlogere Suisse
Most cited
By later US patents
- Balance-spring with altered outer curve5US 7,293,913 B2Nivarox-FAR S. A. · 2007
- Regulator for a timepiece movement4US 4,201,042 AA. Schild S.A. · 1980
- Spiral-spring balance wheel regulating member2US 8,672,535 B2Rolex SA · 2014
- Regulatorless oscillating system for a watch1US 7,648,265 B2Lange Uhren GmbH · 2010
- Balance spring boot1US 8,696,195 B2ETA SA Manufacture Horlogere Suisse · 2014