G04B 19/25306
Independent date indicating devices activated by hand or by clockwork
Official title: {Independent date indicating devices activated by hand or by clockwork, e.g. calendar watches}
G04B19/25306 (Independent date indicating devices activated by hand or by clockwork) appears on 15 US grants and 15 published applications in this corpus.
Search patents in G04B- Granted patents
- 15
- Published applications
- 15
- Assignees
- 14
- Inventors
- 30
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 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 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 2 | 2 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 2 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Information display mechanism, timepiece movement, and timepiece14 Apr 2026US 12,602,010 B2Seiko Watch Kabushiki Kaisha
- Indicator device for watchmaking31 Dec 2024US 12,181,839 B2La Vallee S.R.L.
- Indicator anti-correction system for a timepiece2 Jan 2024US 11,860,578 B2ETA SA Manufacture Horlogere Suisse
- Device for displaying a succession of periodic events which form an annual cycle and timepiece comprising such a display device1 Aug 2023US 11,714,383 B2Eta SA Manufactude Horlogere Suisse
- Device for displaying a succession of periodic events which form an annual cycle and timepiece comprising such a display device13 Dec 2022US 11,526,131 B2ETA SA Manufacture Horlogere Suisse
- Perpetual calendar mechanism with concentric cams16 Jul 2026US 2026/0202798 A1Manufacture D'Horlogerie Audemars Piguet SA
- Horological movement comprising a mechanism for adjusting the position of displays24 Apr 2025US 2025/0130529 A1ETA SA Manufacture Horlogere Suisse
- Horological display mechanism10 Apr 2025US 2025/0116968 A1Montres Breguet S. A.
- Information display mechanism, timepiece movement, and timepiece30 May 2024US 2024/0176300 A1Seiko Watch Kabushiki Kaisha (Trading AS Seiko Watch Corporation)
- Device for displaying a succession of periodic events which form an annual cycle and timepiece comprising such a display device24 Nov 2022US 2022/0373973 A1ETA SA Manufacture Horlogere Suisse
Most cited
By later US patents
- Timepiece equipped with calendar mechanism including first and second date indicators14US 7,180,829 B2Seiko Instruments Inc. · 2007
- Timepiece13US 4,232,510 ACitizen Watch Co., Ltd. · 1980
- Timepiece with a perpetual calendar mechanism11US 4,427,300 ACompagnie des Montres Longines · 1984
- Perpetual calendar mechanism comprising a four year cycle indicator11US 4,541,725 AOmega SA · 1985
- Calendar mechanism7US 10,222,751 B2Blancpain SA · 2019