G04B 23/02
Alarm clocks
Official title: Alarm clocks {(by other means G04B25/005; waking up by electric lamps G04C19/02; electrically released alarm signals G04C21/00; alarm clocks with electric contacts G04C23/06)}
G04B23/02 (Alarm clocks) appears on 150 US grants and 99 published applications in this corpus.
Search patents in G04B- Granted patents
- 150
- Published applications
- 99
- Assignees
- 58
- Inventors
- 188
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 4 |
| 2005 | 0 | 0 |
| 2006 | 3 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 3 |
| 2009 | 1 | 4 |
| 2010 | 4 | 3 |
| 2011 | 3 | 11 |
| 2012 | 2 | 10 |
| 2013 | 17 | 2 |
| 2014 | 6 | 5 |
| 2015 | 6 | 5 |
| 2016 | 6 | 9 |
| 2017 | 6 | 4 |
| 2018 | 2 | 0 |
| 2019 | 3 | 11 |
| 2020 | 3 | 8 |
| 2021 | 3 | 3 |
| 2022 | 8 | 4 |
| 2023 | 8 | 0 |
| 2024 | 1 | 4 |
| 2025 | 3 | 3 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Horological module actuatable at isolated moments, comprising automatic locking means4 Aug 2026US 12,699,356 B2Montres Jaquet Droz SA
- Horological module actuatable at isolated moments, comprising automatic locking means4 Aug 2026US 12,699,357 B2Montres Jaquet Droz SA
- Horological movement comprising a striking mechanism provided with a flexible guide31 Mar 2026US 12,591,204 B2The Swatch Group Research and Development Ltd
- Horological movement comprising a striking mechanism provided with a flexible guide24 Feb 2026US 12,560,891 B2The Swatch Group Research and Development Ltd
- Wakeup device utilizing weight of liquid to enable and disable functionality24 Feb 2026US 12,560,892 B1
- Striking mechanism for watches25 Jun 2026US 2026/0177984 A1Montres Breguet S. A.
- Movement comprising a striking device25 Jun 2026US 2026/0177985 A1Montres Breguet S. A.
- Striking mechanism with flexible translation guide28 May 2026US 2026/0147315 A1Montres Breguet S. A.
- Resonant organ for a striking mechanism of a timepiece, the striking mechanism comprising such a resonant organ, and method for manufacturing such a resonant organ5 Mar 2026US 2026/0064078 A1Omega SA
- Control device for clockwork movement, and corresponding clockwork movement and timepiece20 Nov 2025US 2025/0355403 A1Manufacture D'Horlogerie Audemars Piguet SA
Most cited
By later US patents
- Using local data to improve sleep experience92US 10,842,968 B1DP Technologies, Inc. · 2020
- Universal clock having means for indicating zonal time in other global time zones80US 4,847,819 A1989
- Alarm clock63US 5,568,452 A1996
- Baseball alarm clock16US 4,702,614 AOff the Wall Products, LLC · 1987
- Time equipment16US 5,631,878 A1997