G04F 7/00
Apparatus for measuring unknown time intervals by non-electric means
Official title: Apparatus for measuring unknown time intervals by non-electric means (using fluidic means G04F13/06)
G04F7/00 (Apparatus for measuring unknown time intervals by non-electric means) appears on 210 US grants and 217 published applications in this corpus.
Search patents in G04F- Granted patents
- 210
- Published applications
- 217
- Assignees
- 71
- Inventors
- 279
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 5 | 0 |
| 2003 | 1 | 2 |
| 2004 | 2 | 20 |
| 2005 | 4 | 9 |
| 2006 | 12 | 5 |
| 2007 | 10 | 9 |
| 2008 | 6 | 10 |
| 2009 | 7 | 10 |
| 2010 | 4 | 8 |
| 2011 | 8 | 13 |
| 2012 | 14 | 7 |
| 2013 | 7 | 10 |
| 2014 | 11 | 8 |
| 2015 | 8 | 6 |
| 2016 | 11 | 11 |
| 2017 | 10 | 7 |
| 2018 | 6 | 9 |
| 2019 | 4 | 12 |
| 2020 | 4 | 4 |
| 2021 | 4 | 14 |
| 2022 | 12 | 11 |
| 2023 | 9 | 12 |
| 2024 | 10 | 9 |
| 2025 | 8 | 6 |
| 2026 | 9 | 5 |
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
- Horological movement comprising a chronograph mechanism, in particular a jumping-second mechanism16 Jun 2026US 12,656,740 B2Blancpain SA
- Diaphragm type deployment device, particularly for watchmaking2 Jun 2026US 12,645,183 B2Montres Breguet S. A.
- Spring-loaded zeroing device19 May 2026US 12,632,011 B2Damasko Präzisionstechnik GmbH & Co. KG
- Chronograph mechanism for a horological movement and timepiece comprising such a mechanism28 Apr 2026US 12,613,497 B2Blancpain SA
- Control member for controlling at least one function of a timepiece movement27 Aug 2026US 2026/0252030 A1Manufacture D'Horlogerie Audemars Piguet SA
- Chronograph mechanism and method for assembling a chronograph mechanism18 Jun 2026US 2026/0169441 A1ETA SA Manufacture Horlogere Suisse
- Chronograph mechanism and horology movement comprising such a chronograph mechanism18 Jun 2026US 2026/0169442 A1ETA SA Manufacture Horlogere Suisse
- Regulating system for a horology movement comprising a device for stopping an oscillator18 Jun 2026US 2026/0169443 A1Montres Breguet S. A.
- Mechanism for measuring time for a timepiece movement, in particular a chronograph mechanism12 Feb 2026US 2026/0044117 A1Manufacture D'Horlogerie Audemars Piguet SA
Most cited
By later US patents
- Watch movement having a chronograph module adapted on a motor module195US 5,220,541 AETA SA Fabriques d'Ebauches · 1993
- Depth measuring device for watches, and watches incorporating such a measuring device108US 7,778,115 B2Richemont International SA · 2010
- Wearable electronic device with multiple display functionality86US 7,113,450 B2Timex Group B. V. · 2006
- Calendar mechanism for chronograph watch73US 5,282,179 AETA SA Fabriques d'Ebauches · 1994
- Two-state chronograph with switching means52US 7,445,374 B2Vaucher Manufacture Fleurier S.A. · 2008