G04B 19/221
Mechanisms for correcting the hours hand only, i.e. independently for minutes and
Official title: {mechanisms for correcting the hours hand only, i.e. independently for minutes and seconds hands}
G04B19/221 (Mechanisms for correcting the hours hand only, i.e. independently for minutes and) appears on 19 US grants and 14 published applications in this corpus.
Search patents in G04B- Granted patents
- 19
- Published applications
- 14
- Assignees
- 16
- Inventors
- 37
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 3 |
| 2023 | 1 | 0 |
| 2024 | 2 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Timepiece including a display member for displaying a local time HT and a display member for displaying a GMT time18 Aug 2026US 12,710,727 B2Manufacture D'Horlogerie Audemars Piguet SA
- Spring for a notching system and timepiece notching system28 Oct 2025US 12,455,536 B2Rolex SA
- Time difference correction mechanism and timepiece with time difference correction mechanism9 Jul 2024US 12,032,333 B2Citizen Watch Co., Ltd.
- Spring for a notching system and timepiece notching system7 May 2024US 11,977,355 B2Rolex SA
- Timepiece with a double-sided display19 Sep 2023US 11,762,337 B2Omega SA
- Horological movement comprising a mechanism for adjusting the position of displays24 Apr 2025US 2025/0130529 A1ETA SA Manufacture Horlogere Suisse
- Timepiece including a display member for displaying a local time ht and a display member for display27 Feb 2025US 2025/0068127 A1Manufacture D'Horlogerie Audemars Piguet SA
- Spring for a notching system and timepiece notching system23 Jun 2022US 2022/0197216 A1Rolex SA
- Spring for a notching system and timepiece notching system23 Jun 2022US 2022/0197221 A1Rolex SA
- Time difference correction mechanism and clock with time difference correction mechanism24 Mar 2022US 2022/0091561 A1Citizen Watch Co., Ltd.
Most cited
By later US patents
- Timepiece with a universal time display46US 5,383,165 ACompagnie des Montres Longines, Francillon S.A. · 1995
- Time equipment with time zone mechanism21US 5,745,440 A1998
- World timepiece14US 7,307,916 B2Powermike.com L.P. · 2007
- Display device for displaying one or other of two different indications with the same timepiece indicator member12US 8,179,744 B2Montres Breguet S. A. · 2012
- Transport apparatus for heavy open-cast working equipment11US 4,303,140 AMannesmann Demag AG · 1981