G04B 31/004
Bearings: characterised by the material used
Official title: characterised by the material used
G04B31/004 (Bearings: characterised by the material used) appears on 72 US grants and 91 published applications in this corpus.
Search patents in G04B- Granted patents
- 72
- Published applications
- 91
- Assignees
- 32
- Inventors
- 164
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 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 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 4 |
| 2011 | 1 | 3 |
| 2012 | 2 | 4 |
| 2013 | 5 | 4 |
| 2014 | 3 | 5 |
| 2015 | 3 | 5 |
| 2016 | 4 | 5 |
| 2017 | 6 | 5 |
| 2018 | 4 | 7 |
| 2019 | 2 | 10 |
| 2020 | 7 | 3 |
| 2021 | 4 | 8 |
| 2022 | 2 | 6 |
| 2023 | 4 | 6 |
| 2024 | 3 | 1 |
| 2025 | 7 | 3 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System for manufacturing a bevelled stone, particularly for a horological movement23 Jun 2026US 12,663,759 B2Comadur SA
- Pinion shaft, watch mechanism, watch or measurement device without a magnetic signature3 Mar 2026US 12,565,711 B2Omega SA
- Pinion shaft, watch mechanism, watch or measurement device without a magnetic signature10 Feb 2026US 12,546,021 B2Omega SA
- Mechanical horological movement comprising a magnetically-pivoted balance6 Jan 2026US 12,517,464 B2The Swatch Group Research and Development Ltd
- Stone, in particular for a horological movement, and the manufacturing method thereof30 Dec 2025US 12,508,668 B2Comadur SA
- 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.
- Stone for a horology movement25 Jun 2026US 2026/0177986 A1ETA SA Manufacture Horlogere Suisse
- Timepiece staff7 May 2026US 2026/0126758 A1Rolex SA
Most cited
By later US patents
- Timepiece construction26US 4,496,246 AKabushiki Kaisha Suwa Seikosha · 1985
- Gear train for timepiece with a stepping motor10US 4,249,251 ATimex Corporation · 1981
- Timepiece bearing, movement, and portable timepiece9US 8,702,301 B2Seiko Instruments Inc. · 2014
- Clockwork8US 6,755,566 B22004
- Balance wheel assembly7US 4,308,605 A1981