G04B 31/00
Bearings
Official title: Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor (bearings in general F16C {; manufacture and composition of springs G04B1/145; suspension of oscillating weights G04B5/18; suspension of a pendulum G04B17/02; bearings for electrical measurement apparatus G01R1/10, G01R1/12, G01R11/12, G01R11/14; inserting jewels A44C17/04; inserting cutting diamonds B23P5/00; devices for fixation of bearing jewels, bearing sleeves, or the like G04D3/04})
G04B31/00 (Bearings) appears on 210 US grants and 243 published applications in this corpus.
Search patents in G04B- Granted patents
- 210
- Published applications
- 243
- Assignees
- 65
- Inventors
- 334
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 3 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 3 |
| 2006 | 1 | 4 |
| 2007 | 3 | 5 |
| 2008 | 2 | 2 |
| 2009 | 1 | 3 |
| 2010 | 1 | 9 |
| 2011 | 2 | 6 |
| 2012 | 4 | 5 |
| 2013 | 9 | 8 |
| 2014 | 4 | 11 |
| 2015 | 8 | 10 |
| 2016 | 7 | 13 |
| 2017 | 16 | 20 |
| 2018 | 11 | 18 |
| 2019 | 11 | 32 |
| 2020 | 14 | 12 |
| 2021 | 13 | 22 |
| 2022 | 17 | 15 |
| 2023 | 18 | 15 |
| 2024 | 14 | 5 |
| 2025 | 13 | 9 |
| 2026 | 7 | 10 |
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
- System for manufacturing a bevelled stone, particularly for a horological movement23 Jun 2026US 12,663,759 B2Comadur SA
- Regulating horological member with flexible guide provided with temperature-compensation means10 Mar 2026US 12,572,116 B2The Swatch Group Research and Development Ltd
- Pinion shaft, watch mechanism, watch or measurement device without a magnetic signature3 Mar 2026US 12,565,711 B2Omega SA
- Horological movement comprising a striking mechanism provided with a flexible guide24 Feb 2026US 12,560,891 B2The Swatch Group Research and Development Ltd
- Device with adjustable lateral stop for a horology movement8 Oct 2026US 2026/0310133 A1The Swatch Group Research and Development 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
- Method and system for washing a timepiece stone9 Jul 2026US 2026/0194861 A1La Pierrette S.A.
- Method for the preparation of a timepiece stone for measuring roughness, and measurement method9 Jul 2026US 2026/0194862 A1Rolex SA
- Method for polishing a timepiece stone, and equipment for carrying out said method2 Jul 2026US 2026/0183889 A1La Pierrette S.A.
Most cited
By later US patents
- Reduction gear of electronic wristwatch with stepping motor and sweep second hand82US 4,378,957 A1983
- Lubricating oil composition and watch using the same51US 6,858,567 B2Citizen Watch Co., Ltd. · 2005
- Tribological coatings for the protection of moving machine parts from wear and corrosion27US 4,522,453 ALaboratoire Suisse de Recherches Horlogeres · 1985
- Timepiece construction26US 4,496,246 AKabushiki Kaisha Suwa Seikosha · 1985
- Process for depositing on substrates, by cathode sputtering, a self-lubricating coating of metal chalcogenides and the coating obtained by this process21US 4,324,803 ABattelle Memorial Institute · 1982