G04F 5/04
Apparatus for producing preselected time intervals for use as timing standards: using
Official title: using oscillators with electromechanical resonators {producing electric oscillations or timing pulses}
G04F5/04 (Apparatus for producing preselected time intervals for use as timing standards: using) appears on 213 US grants and 68 published applications in this corpus.
Search patents in G04F- Granted patents
- 213
- Published applications
- 68
- Assignees
- 87
- Inventors
- 305
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 19 | 0 |
| 1978 | 21 | 0 |
| 1979 | 10 | 0 |
| 1980 | 10 | 0 |
| 1981 | 14 | 0 |
| 1982 | 14 | 0 |
| 1983 | 7 | 0 |
| 1984 | 12 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 7 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 3 |
| 2003 | 2 | 2 |
| 2004 | 2 | 1 |
| 2005 | 0 | 3 |
| 2006 | 3 | 3 |
| 2007 | 0 | 1 |
| 2008 | 4 | 3 |
| 2009 | 2 | 2 |
| 2010 | 1 | 5 |
| 2011 | 2 | 8 |
| 2012 | 6 | 2 |
| 2013 | 4 | 3 |
| 2014 | 2 | 6 |
| 2015 | 6 | 2 |
| 2016 | 3 | 1 |
| 2017 | 2 | 2 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 2 | 3 |
| 2021 | 0 | 2 |
| 2022 | 4 | 5 |
| 2023 | 2 | 5 |
| 2024 | 3 | 2 |
| 2025 | 2 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Wristwatch with a clock generator assembly22 Sep 2026US 12,743,055 B2Realization Desal AG
- Microelectromechanical devices for higher order passive temperature compensation and methods of designing thereof3 Mar 2026US 12,565,421 B2Stathera IP Holdings Inc.
- Horological movement provided with an oscillator comprising a piezoelectric spring22 Apr 2025US 12,282,298 B2The Swatch Group Research and Development Ltd
- Horological movement equipped with an oscillator comprising a piezoelectric balance-spring15 Apr 2025US 12,276,944 B2The Swatch Group Research and Development Ltd
- Atomic clocks and related methods16 Apr 2024US 11,960,247 B2The Regents of the University of Colorado, a body corporate
- Resonator aging tracking6 Feb 2025US 2025/0047290 A1
- Atomic clocks and related methods9 Jan 2025US 2025/0013204 A1The Regents of the University of Colorado, a body corporate
- Watch12 Dec 2024US 2024/0411274 A1Realization Desal AG
- Balance-spring piezoelectric resonator, in particular for a timepiece rotary motor27 Jun 2024US 2024/0213953 A1The Swatch Group Research and Development Ltd
- Atomic clocks and related methods30 Nov 2023US 2023/0384737 A1The Regents of the University of Colorado, a body corporate
Most cited
By later US patents
- Microresonator packaging and tuning74US 3,969,640 AStatek Corporation · 1976
- Miniature GT-cut quartz resonator67US 4,447,753 ASeiko Instruments & Electronics Ltd. · 1984
- Method of making a quartz crystal oscillator60US 4,293,986 AMatsushima Kogo Kabushiki Kaisha · 1981
- Compensated ensemble crystal oscillator for use in a well borehole system56US 7,046,584 B2Precision Drilling Technology Services Group Inc. · 2006
- Contour vibration mode piezoelectric resonator49US 4,350,918 AKabushiki Kaisha Daini Seikosha · 1982