G01P 1/122
Speed recorders
Official title: {Speed recorders}
G01P1/122 (Speed recorders) appears on 83 US grants and 43 published applications in this corpus.
Search patents in G01P- Granted patents
- 83
- Published applications
- 43
- Assignees
- 54
- Inventors
- 129
- Latest grant
- 19 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 3 |
| 2005 | 1 | 5 |
| 2006 | 2 | 4 |
| 2007 | 0 | 1 |
| 2008 | 3 | 3 |
| 2009 | 4 | 3 |
| 2010 | 2 | 3 |
| 2011 | 1 | 3 |
| 2012 | 1 | 1 |
| 2013 | 2 | 2 |
| 2014 | 3 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 2 | 2 |
| 2018 | 0 | 3 |
| 2019 | 2 | 5 |
| 2020 | 1 | 2 |
| 2021 | 2 | 1 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 2 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for determining critical suspension speed of impeller in solid-liquid stirred tank19 Nov 2024US 12,146,819 B1Qingdao University of Science and Technology
- Air measuring device and methods of use25 Jun 2024US 12,019,093 B2Viu Insight Inc.
- Driver history via vehicle data acquisition and analysis25 Oct 2022US 11,481,713 B2Speedgauge, Inc.
- Safe driving monitoring system22 Feb 2022US 11,259,145 B2Octo Advisory Inc.
- Determination of machine rotational speed based on vibration spectral plots18 May 2021US 11,009,520 B2Computational Systems, Inc.
- Accelerometer with magnet fixation feature8 Jan 2026US 2026/0009815 A1Honeywell International Inc.
- Air measuring device and methods of use25 Nov 2021US 2021/0364545 A1Viu Insight Inc.
- System and method for determining airspeed7 May 2020US 2020/0141969 A1Sz Dji Technology Co., Ltd.
- Safe driving monitoring system12 Mar 2020US 2020/0084582 A1Octo Advisory Inc.
- Determination of Machine Rotational Speed Based on Vibration Spectral Plots10 Oct 2019US 2019/0310281 A1Computational Systems, Inc.
Most cited
By later US patents
- Portable motion recording device for motor vehicles351US 6,701,234 B12004
- Swing parameter measurement system187US 4,759,219 ASwingspeed, Inc. · 1988
- Accident information providing system for automotive vehicle136US 5,270,708 ANissan Motor Co., Ltd. · 1993
- Vehicle speed monitoring and logging means126US 4,843,578 A1989
- Robotic system for testing of electric vehicles102US 5,430,645 A1995