G04B 17/227
Composition and manufacture of the material used
Official title: {composition and manufacture of the material used (composition and manufacture of hairsprings G04B17/066; of springs G04B1/145; anti-magnetic alloys G04B43/007; ferrous alloys C22C; non-ferrous alloys C22C, B22F)}
G04B17/227 (Composition and manufacture of the material used) appears on 49 US grants and 53 published applications in this corpus.
Search patents in G04B- Granted patents
- 49
- Published applications
- 53
- Assignees
- 19
- Inventors
- 78
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 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 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 2 | 3 |
| 2011 | 0 | 1 |
| 2012 | 2 | 2 |
| 2013 | 1 | 3 |
| 2014 | 3 | 5 |
| 2015 | 3 | 5 |
| 2016 | 3 | 1 |
| 2017 | 0 | 5 |
| 2018 | 5 | 2 |
| 2019 | 4 | 6 |
| 2020 | 2 | 2 |
| 2021 | 4 | 4 |
| 2022 | 3 | 4 |
| 2023 | 3 | 3 |
| 2024 | 5 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for producing a thermo-compensated oscillator14 Jul 2026US 12,681,435 B2Rolex SA
- Hairspring, timepiece movement, and timepiece9 Dec 2025US 12,493,265 B2Seiko Watch Kabushiki Kaisha (Trading AS Seiko Watch Corporation)
- Piezoelectric balance spring, and method for manufacturing the balance spring10 Jun 2025US 12,326,693 B2The Swatch Group Research and Development Ltd
- Method for manufacturing a horological disc and horological disc obtained by its implementation19 Nov 2024US 12,147,200 B2ETA SA Manufacture Horlogere Suisse
- Balance-spring for horological movement and method for manufacturing same1 Oct 2024US 12,105,475 B2Nivarox-FAR S. A.
- Device for separating wound in balance springs after an expansion cycle, and method for manufacturing a balance spring comprising a separation step carried out by such a device19 Jun 2025US 2025/0199475 A1Nivarox-FAR S. A.
- Support member for supporting a wafer during a heat treatment28 Mar 2024US 2024/0103442 A1Patek Philippe SA Geneve
- Hairspring, timepiece movement, and timepiece28 Sep 2023US 2023/0305493 A1Seiko Watch Kabushiki Kaisha (Trading AS Seiko Watch Corporation)
- Piezoelectric balance spring, and method for manufacturing the balance spring15 Jun 2023US 2023/0185242 A1The Swatch Group Research and Development Ltd
- Silicon timepiece component for a timepiece4 May 2023US 2023/0136065 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
- Spiral spring made of athermal glass for clockwork movement and method for making same8US 7,753,581 B2The Swatch Group Research and Development Ltd · 2010
- Adjustable auxiliary temperature compensation system8US 9,989,922 B2Montres Breguet S. A. · 2018
- Self-compensating spiral for a spiral balance-wheel in watchwork and process for treating this spiral7US 6,329,066 B1Montres Rolex S. A. · 2001
- Oscillating body, mechanical oscillating system for wrist watches having such an oscillating body and watch having such an oscillating system7US 8,662,742 B2Damasko GmbH · 2014