G04B 13/001
Gearwork: with the choice of adjustable or varying transmission ratio
Official title: {with the choice of adjustable or varying transmission ratio}
G04B13/001 (Gearwork: with the choice of adjustable or varying transmission ratio) appears on 13 US grants and 17 published applications in this corpus.
Search patents in G04B- Granted patents
- 13
- Published applications
- 17
- Assignees
- 7
- Inventors
- 27
- Latest grant
- 26 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 3 |
| 2018 | 0 | 2 |
| 2019 | 2 | 0 |
| 2020 | 2 | 0 |
| 2021 | 0 | 6 |
| 2022 | 1 | 1 |
| 2023 | 3 | 1 |
| 2024 | 3 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Horological mechanism with counting chain26 Nov 2024US 12,153,379 B2Rolex SA
- Variable-geometry timepiece display mechanism with resilient hand30 Jan 2024US 11,886,147 B2Montres Breguet S. A.
- Variable-geometry timepiece display mechanism with resilient hand2 Jan 2024US 11,860,577 B2Montres Breguet S. A.
- Timepiece display mechanism comprising at least one resilient hand12 Dec 2023US 11,841,684 B2Montres Breguet S. A.
- Horological display mechanism with elastic hand12 Dec 2023US 11,841,685 B2Montres Breguet S. A.
- Magnetic control and/or drive mechanism through a watchcase14 May 2026US 2026/0133541 A1The Swatch Group Research and Development Ltd
- Chronograph-watch2 Oct 2025US 2025/0306538 A1
- Winding device, particularly of a horological barrel, fitted with a disconnectable ratchet30 May 2024US 2024/0176293 A1Nivarox-FAR S. A.
- Actuation mechanism of flexible display hand driven by a clockwork movement28 Dec 2023US 2023/0418227 A1Montres Breguet S. A.
- Horological mechanism with counting chain27 Jan 2022US 2022/0026851 A1Rolex SA
Most cited
By later US patents
- Wristwatch6US 4,671,670 APforzheimer Uhren-Rohwerke PORTA GmbH · 1987
- Timepiece display mechanism with a resilient hand3US 11,537,080 B2Montres Breguet S. A. · 2022
- Timepiece mechanism1US 10,599,099 B2Montres Breguet S. A. · 2020
- Timepiece movement including an analogue display drive device1US 9,557,714 B2ETA SA Manufacture Horlogere Suisse · 2017