G04B 15/00
Escapements
Official title: Escapements ({in striking mechanisms G04B21/06;} electric or magnetic means for converting oscillatory to rotary motion in electromechanical time-pieces {G04C5/005})
G04B15/00 (Escapements) appears on 383 US grants and 439 published applications in this corpus.
Search patents in G04B- Granted patents
- 383
- Published applications
- 439
- Assignees
- 80
- Inventors
- 389
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 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 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 2 |
| 2004 | 4 | 3 |
| 2005 | 2 | 3 |
| 2006 | 4 | 2 |
| 2007 | 2 | 5 |
| 2008 | 3 | 12 |
| 2009 | 7 | 4 |
| 2010 | 6 | 9 |
| 2011 | 4 | 11 |
| 2012 | 9 | 23 |
| 2013 | 14 | 19 |
| 2014 | 19 | 25 |
| 2015 | 36 | 33 |
| 2016 | 29 | 36 |
| 2017 | 26 | 36 |
| 2018 | 29 | 26 |
| 2019 | 19 | 26 |
| 2020 | 15 | 32 |
| 2021 | 13 | 39 |
| 2022 | 29 | 23 |
| 2023 | 34 | 20 |
| 2024 | 40 | 16 |
| 2025 | 14 | 12 |
| 2026 | 8 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Micromechanical component, particularly a timepiece wheel, particularly an escapement wheel, the surface of which is optimised25 Aug 2026US 12,717,278 B2ETA SA Manufacture Horlogere Suisse
- Constant-energy escapement for timepiece12 May 2026US 12,625,466 B2Rolex SA
- Horological component resulting from the assembly of two parts and method for manufacturing said component28 Apr 2026US 12,613,495 B2The Swatch Group Research and Development Ltd
- Mechanical clock for use in fluid media10 Mar 2026US 12,572,114 B2
- Frequency setting of a horological oscillator by optomechanical deformations10 Mar 2026US 12,572,115 B2The Swatch Group Research and Development Ltd
- Functional mechanical part and its surface treatment method1 Oct 2026US 2026/0299518 A1The Swatch Group Research and DevelopmentL td
- Pallet stone holding structure and watch17 Sep 2026US 2026/0277159 A1Citizen Watch Co., Ltd.
- Method for wet-depositing a metal matrix composite plating on a support part23 Jul 2026US 2026/0209982 A1The Swatch Group Research and Development Ltd
- Constant-force escapement mechanism for timepiece movement23 Jul 2026US 2026/0211371 A1Greubel Forsey S. A.
- Escapement mechanism of a timepiece9 Jul 2026US 2026/0194858 A1Rolex SA
Most cited
By later US patents
- Micro-mechanical part with a shaped aperture for assembly on a shaft26US 8,206,029 B2Nivarox-FAR S. A. · 2012
- Automatic toll-ticket issuing apparatus21US 4,493,103 AMitsubishi Jukogyo Kabushiki Kaisha · 1985
- Escapement for a timekeeper21US 6,301,981 B1Ulysse Nardin S.A. · 2001
- Contactless cylinder escapement mechanism for timepieces16US 9,746,829 B2Nivarox-FAR S. A. · 2017
- Flexible escapement mechanism with movable frame13US 9,075,394 B2Nivarox-FAR S. A. · 2015