G04F 5/00
Apparatus for producing preselected time intervals for use as timing standards
Official title: Apparatus for producing preselected time intervals for use as timing standards (generating clock signals for electric digital computers G06F1/04)
G04F5/00 (Apparatus for producing preselected time intervals for use as timing standards) appears on 958 US grants and 732 published applications in this corpus.
Search patents in G04F- Granted patents
- 958
- Published applications
- 732
- Assignees
- 358
- Inventors
- 1,444
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 28 | 0 |
| 1977 | 24 | 0 |
| 1978 | 24 | 0 |
| 1979 | 13 | 0 |
| 1980 | 18 | 0 |
| 1981 | 17 | 0 |
| 1982 | 25 | 0 |
| 1983 | 10 | 0 |
| 1984 | 21 | 0 |
| 1985 | 6 | 0 |
| 1986 | 10 | 0 |
| 1987 | 7 | 0 |
| 1988 | 10 | 0 |
| 1989 | 2 | 0 |
| 1990 | 10 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 12 | 3 |
| 2002 | 8 | 8 |
| 2003 | 5 | 6 |
| 2004 | 10 | 14 |
| 2005 | 7 | 19 |
| 2006 | 12 | 17 |
| 2007 | 9 | 20 |
| 2008 | 23 | 12 |
| 2009 | 10 | 20 |
| 2010 | 11 | 23 |
| 2011 | 23 | 30 |
| 2012 | 26 | 24 |
| 2013 | 20 | 28 |
| 2014 | 30 | 35 |
| 2015 | 35 | 52 |
| 2016 | 55 | 35 |
| 2017 | 30 | 33 |
| 2018 | 27 | 35 |
| 2019 | 47 | 51 |
| 2020 | 70 | 36 |
| 2021 | 30 | 32 |
| 2022 | 33 | 36 |
| 2023 | 27 | 48 |
| 2024 | 39 | 45 |
| 2025 | 45 | 41 |
| 2026 | 28 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G04F 5/14Apparatus for producing preselected time intervals for use as timing standards: using570
- G04F 5/04Apparatus for producing preselected time intervals for use as timing standards: using213
- G04F 5/02Metronomes122
- G04F 5/10Apparatus for producing preselected time intervals for use as timing standards: using13
- G04F 5/16Apparatus for producing preselected time intervals for use as timing standards: using9
- G04F 5/12Apparatus for producing preselected time intervals for use as timing standards: using2
Recent patents
- Physics package for chip scale atomic clocks and method of making same6 Oct 2026US 12,754,516 B2Microchip Technology Incorporated
- Wristwatch with a clock generator assembly22 Sep 2026US 12,743,055 B2Realization Desal AG
- Atomic sensor with self-aligned components25 Aug 2026US 12,717,282 B2Honeywell International Inc.
- Techniques for controlling vapor pressure of subject materials in vapor cells and related methods25 Aug 2026US 12,719,485 B2Microchip Technology Incorporated
- Physical package for optical lattice clock11 Aug 2026US 12,704,816 B2JEOL Ltd.
- Cage assembly for modular quantum device1 Oct 2026US 2026/0304669 A1
- Cold Atom Generation Device, Cold Atom Generation Method, Physics Package, Physics Package for Optical Lattice Clock, Physics Package for Atomic Clock, Physics Package for Atom Interferometer, Physics Package for Quantum Information Processing Device, and Physics Package System27 Aug 2026US 2026/0252035 A1JEOL Ltd.
- Surface emitting laser, eyeball-tilt-position detecting device, distance measuring device, display device, and atomic oscillator6 Aug 2026US 2026/0229848 A1Ricoh Company, Ltd.
- Microfabricated Light Delivery System for Distribution of Collimated Laser Beams in Trapped-Ion Devices and Method of Manufacturing the Same Using Microfabrication30 Jul 2026US 2026/0221307 A1Alpine Quantum Technologies GmbH
- Ion surface trap16 Jul 2026US 2026/0204451 A1Physikalisch-Technische Bundesanstalt Braunschweig und Berlin
Most cited
By later US patents
- Orthosis with distraction through range of motion129US 5,285,773 A1994
- Heterodyne detection of coherent Raman signals126US 4,193,690 AUniversity of Southern California · 1980
- Miniaturized atomic frequency standard86US 5,192,921 AWestinghouse Electric Corp. · 1993
- Pace timing device85US 4,337,529 ACitizen Watch Co., Ltd. · 1982
- Miniature frequency standard based on all-optical excitation and a micro-machined containment vessel76US 6,806,784 B2National Institute of Standards and Technology · 2004