G04F 3/08
Additional arrangements in connection with ordinary electric clocks for this purpose
G04F3/08 (Additional arrangements in connection with ordinary electric clocks for this purpose) appears on 39 US grants and 47 published applications in this corpus.
Search patents in G04F- Granted patents
- 39
- Published applications
- 47
- Assignees
- 24
- Inventors
- 92
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 2 | 1 |
| 2012 | 0 | 4 |
| 2013 | 1 | 1 |
| 2014 | 3 | 2 |
| 2015 | 1 | 3 |
| 2016 | 1 | 3 |
| 2017 | 3 | 9 |
| 2018 | 3 | 3 |
| 2019 | 2 | 5 |
| 2020 | 4 | 0 |
| 2021 | 1 | 4 |
| 2022 | 1 | 5 |
| 2023 | 2 | 2 |
| 2024 | 5 | 1 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Visual timer15 Oct 2024US 12,117,778 B2
- Sonic generator for use with a timing and data collection system for a live sporting event23 Jul 2024US 12,046,081 B2Right Time Sports, LLC.
Most cited
By later US patents
- Visual alert device16US 8,077,552 B1Visilert, L.L.C. · 2011
- Timepiece with built-in timer15US 4,659,233 ARhythm Watch Co., Ltd. · 1987
- Electronic device10US 10,274,905 B2Pixart Imaging Inc. · 2019
- Watch for soccer referees10US 5,894,457 A1999
- Digital electronic watch for displaying both time and the time remaining within a preselected time period9US 3,969,886 AKabushiki Kaisha Daini Seikosha · 1976