G04B 19/24
Clocks or watches with date or week-day indicators , i.e. calendar clocks
Official title: Clocks or watches with date {or week-day} indicators {, i.e. calendar clocks or watches}; Clockwork calendars
G04B19/24 (Clocks or watches with date or week-day indicators , i.e. calendar clocks) appears on 413 US grants and 375 published applications in this corpus.
Search patents in G04B- Granted patents
- 413
- Published applications
- 375
- Assignees
- 116
- Inventors
- 497
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 11 | 0 |
| 1978 | 8 | 0 |
| 1979 | 5 | 0 |
| 1980 | 10 | 0 |
| 1981 | 10 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 2 |
| 2002 | 1 | 5 |
| 2003 | 2 | 5 |
| 2004 | 5 | 5 |
| 2005 | 5 | 17 |
| 2006 | 11 | 16 |
| 2007 | 17 | 15 |
| 2008 | 10 | 13 |
| 2009 | 10 | 9 |
| 2010 | 12 | 11 |
| 2011 | 8 | 10 |
| 2012 | 7 | 17 |
| 2013 | 8 | 14 |
| 2014 | 23 | 21 |
| 2015 | 18 | 10 |
| 2016 | 21 | 27 |
| 2017 | 17 | 11 |
| 2018 | 10 | 22 |
| 2019 | 13 | 25 |
| 2020 | 7 | 21 |
| 2021 | 12 | 17 |
| 2022 | 17 | 19 |
| 2023 | 18 | 18 |
| 2024 | 20 | 9 |
| 2025 | 20 | 24 |
| 2026 | 13 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Control member for controlling at least one function of a timepiece movement6 Oct 2026US 12,754,513 B2Manufacture D'Horlogerie Audemars Piguet SA
- Timepiece calendar system11 Aug 2026US 12,704,813 B2Rolex SA
- Movement transmission system11 Aug 2026US 12,704,814 B2Rolex SA
- Calendar mechanism with season display for a timepiece21 Jul 2026US 12,687,817 B2Patek Philippe SA Geneve
- Lunisolar calendar display mechanism for a clockwork movement, corresponding clockwork movement and corresponding timepiece16 Jun 2026US 12,656,737 B2Nogerah SA
- Device for displaying a point in time24 Sep 2026US 2026/0288065 A1
- Timepiece mechanism comprising a jumping disc24 Sep 2026US 2026/0288069 A1Manufacture D'Horlogerie Audemars Piguet SA
- Control member for controlling at least one function of a timepiece movement27 Aug 2026US 2026/0252030 A1Manufacture D'Horlogerie Audemars Piguet SA
- Perpetual calendar mechanism with concentric cams16 Jul 2026US 2026/0202798 A1Manufacture D'Horlogerie Audemars Piguet SA
- Vibratory-actuated drive device, in particular for horology18 Jun 2026US 2026/0169434 A1The Swatch Group Research and Development Ltd
Most cited
By later US patents
- Dynamic alerts for calendar events396US 8,423,288 B2Apple Inc. · 2013
- Date mechanism for clockwork movement95US 6,081,483 AFrederic Piguet S.A. · 2000
- Calendar mechanism for chronograph watch73US 5,282,179 AETA SA Fabriques d'Ebauches · 1994
- Horological timepiece, in particular wrist watch65US 5,943,299 AGerald Genta S.A. · 1999
- Dynamic alerts for calendar events64US 8,660,790 B2Apple Inc. · 2014