G04B 13/027
Planar toothing: shape and design
Official title: {planar toothing: shape and design (adjusting the backlash of the arbors G04B35/00)}
G04B13/027 (Planar toothing: shape and design) appears on 41 US grants and 49 published applications in this corpus.
Search patents in G04B- Granted patents
- 41
- Published applications
- 49
- Assignees
- 23
- Inventors
- 84
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 2 | 1 |
| 2010 | 0 | 1 |
| 2011 | 3 | 2 |
| 2012 | 0 | 5 |
| 2013 | 3 | 3 |
| 2014 | 6 | 1 |
| 2015 | 0 | 2 |
| 2016 | 3 | 1 |
| 2017 | 2 | 4 |
| 2018 | 2 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 6 |
| 2021 | 3 | 2 |
| 2022 | 3 | 1 |
| 2023 | 2 | 6 |
| 2024 | 2 | 1 |
| 2025 | 2 | 3 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Timepiece component, timepiece movement, and timepiece27 Jan 2026US 12,535,772 B2Seiko Epson Corporation
- Timepiece mechanism indicating a maximum value of a measured physical variable and timepiece comprising such a mechanism18 Nov 2025US 12,474,673 B2Blancpain SA
- Wheel for a reduced-inertia escapement system4 Nov 2025US 12,461,489 B2Nivarox-FAR S. A.
- Device for displaying an indication of time or derived from the time and indexing device5 Mar 2024US 11,921,460 B2Rolex SA
- Timepiece calendar device5 Mar 2024US 11,921,462 B2Rolex SA
- Method of manufacturing wheel, plate-shaped member, wheel, and timepiece17 Sep 2026US 2026/0277164 A1Seiko Epson Corporation
- Escapement mechanism of a timepiece9 Jul 2026US 2026/0194859 A1Rolex SA
- Method of manufacturing a timepiece component29 Jan 2026US 2026/0029754 A1Rolex SA
- Mechanism for a striking timepiece8 Jan 2026US 2026/0010120 A1Bulgari Horlogerie SA
- Moon phase and earth phase display device for a horological movement11 Dec 2025US 2025/0377632 A1ETA SA Manufacture Horlogere Suisse
Most cited
By later US patents
- 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
- Column wheel and chronograph mechanism including the same11US 8,920,021 B2ETA SA Manufacture Horlogere Suisse · 2014
- Movement of electronic watch of analog display type10US 4,711,584 ACasio Computer Co., Ltd. · 1987
- Backlash-compensating mobile9US 8,904,894 B2Patek Philippe SA Geneve · 2014