G04B 13/02
Wheels
Official title: Wheels; Pinions; Spindles; Pivots (bearings G04B31/00 {; chain wheels, spindles for chain wheels, also chains and driving weights G04B1/08})
G04B13/02 (Wheels) appears on 314 US grants and 362 published applications in this corpus.
Search patents in G04B- Granted patents
- 314
- Published applications
- 362
- Assignees
- 66
- Inventors
- 428
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 1 |
| 2004 | 3 | 1 |
| 2005 | 0 | 3 |
| 2006 | 0 | 4 |
| 2007 | 5 | 3 |
| 2008 | 1 | 8 |
| 2009 | 5 | 6 |
| 2010 | 3 | 11 |
| 2011 | 6 | 11 |
| 2012 | 4 | 12 |
| 2013 | 10 | 12 |
| 2014 | 13 | 15 |
| 2015 | 12 | 11 |
| 2016 | 21 | 22 |
| 2017 | 15 | 27 |
| 2018 | 17 | 23 |
| 2019 | 15 | 23 |
| 2020 | 11 | 28 |
| 2021 | 19 | 42 |
| 2022 | 21 | 25 |
| 2023 | 31 | 23 |
| 2024 | 36 | 18 |
| 2025 | 21 | 16 |
| 2026 | 16 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Timepiece mechanism provided with a magnetic gear15 Sep 2026US 12,736,917 B2The Swatch Group Research and Development Ltd
- Winding device, in particular for a horological barrel, provided with a disconnectable winding gear train11 Aug 2026US 12,704,811 B2Nivarox-FAR S. A.
- Winding device, in particular for a clock barrel, provided with disconnection means23 Jun 2026US 12,663,756 B2Nivarox-FAR S. A.
- Method for depositing a coating on an item, such as a clockwork component and item coated by such a method16 Jun 2026US 12,656,736 B2The Swatch Group Research and Development Ltd
- Method for manufacturing a one-piece mechanical timepiece part2 Jun 2026US 12,645,185 B2The Swatch Group Research and Development Ltd
- Zero-free mod time tracking system8 Oct 2026US 2026/0310136 A1
- Zero-free mod time tracking system8 Oct 2026US 2026/0310137 A1
- Timepiece move part and timepiece24 Sep 2026US 2026/0288064 A1Seiko Watch Kabushiki Kaisha (Trading AS Seiko Watch Corporation)
- Gear set, movement, and timepiece17 Sep 2026US 2026/0277158 A1Seiko Epson Corporation
- Horology movement fitted with a bidirectional drive mechanism for a jumping indicator17 Sep 2026US 2026/0277161 A1ETA SA Manufacture Horlogere Suisse
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
- Chronograph watch20US 5,113,382 AETA SA Fabriques d'Ebauches · 1992
- Backlash-compensating toothed moving part, gear assembly and use of this gear assembly15US 7,633,837 B2Rolex SA · 2009
- Indexing gear for timekeeping devices14US 4,473,301 ATimex Corporation · 1984
- Copper-zinc-nickel-manganese alloys11US 4,147,568 AInstitut Straumann AG · 1979