G04B 15/08
Lever escapements
G04B15/08 (Lever escapements) appears on 100 US grants and 116 published applications in this corpus.
Search patents in G04B- Granted patents
- 100
- Published applications
- 116
- Assignees
- 32
- Inventors
- 127
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 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 | 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 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 6 |
| 2009 | 2 | 1 |
| 2010 | 4 | 3 |
| 2011 | 1 | 3 |
| 2012 | 2 | 8 |
| 2013 | 7 | 2 |
| 2014 | 6 | 5 |
| 2015 | 12 | 14 |
| 2016 | 5 | 5 |
| 2017 | 6 | 7 |
| 2018 | 4 | 2 |
| 2019 | 4 | 9 |
| 2020 | 0 | 9 |
| 2021 | 2 | 14 |
| 2022 | 12 | 4 |
| 2023 | 10 | 7 |
| 2024 | 14 | 3 |
| 2025 | 4 | 4 |
| 2026 | 1 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Constant-energy escapement for timepiece12 May 2026US 12,625,466 B2Rolex SA
- Timepiece movement escapement, return component for timepiece escapements, timepiece movement and timepiece comprising such a movement25 Nov 2025US 12,481,247 B2
- Mechanical regulator for horology comprising a semi-detached self-starting escapement with low lift angle30 Sep 2025US 12,429,820 B2Csem Centre Suisse D'Electronique Et De Microtechnique SA—Recherche Et DéVeloppement
- Natural escapement for horological movement and horological movement comprising such an escapement2 Sep 2025US 12,405,574 B2Montres Breguet S. A.
- Natural escapement for horological movement and horological movement comprising such an escapement19 Aug 2025US 12,393,164 B2Montres Breguet S. A.
- 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
- Escapement mechanism of a timepiece9 Jul 2026US 2026/0194859 A1Rolex SA
- Stepped pallet for an escapement mechanism18 Jun 2026US 2026/0169429 A1ETA SA Manufacture Horlogere Suisse
- Reduced-inertia horology mobile, in particular for an escapement mechanism18 Jun 2026US 2026/0169430 A1ETA SA Manufacture Horlogere Suisse
Most cited
By later US patents
- Flexible escapement mechanism with movable frame13US 9,075,394 B2Nivarox-FAR S. A. · 2015
- Timepiece comprising a chronograph and a watch10US 8,328,413 B2Montres Breguet S. A. · 2012
- Tuning-fork resonator for mechanical clock movement8US 9,134,705 B2Asgalium Unitec SA · 2015
- Lever escapement for a timepiece7US 8,308,346 B2Omega SA · 2012
- Timepiece including a high frequency mechanical movement6US 8,500,323 B2Montres Breguet S. A. · 2013