G01M 15/046
By monitoring revolutions
Official title: {by monitoring revolutions (for detecting misfire G01M15/11)}
G01M15/046 (By monitoring revolutions) appears on 172 US grants and 102 published applications in this corpus.
Search patents in G01M- Granted patents
- 172
- Published applications
- 102
- Assignees
- 119
- Inventors
- 390
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 8 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 2 |
| 2002 | 6 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 3 | 7 |
| 2006 | 5 | 1 |
| 2007 | 3 | 6 |
| 2008 | 5 | 3 |
| 2009 | 2 | 2 |
| 2010 | 2 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 0 |
| 2013 | 0 | 7 |
| 2014 | 1 | 4 |
| 2015 | 9 | 9 |
| 2016 | 6 | 7 |
| 2017 | 7 | 4 |
| 2018 | 6 | 12 |
| 2019 | 7 | 5 |
| 2020 | 8 | 6 |
| 2021 | 5 | 8 |
| 2022 | 3 | 3 |
| 2023 | 5 | 4 |
| 2024 | 4 | 2 |
| 2025 | 3 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and apparatus to generate a pulse waveform from a tachometer signal25 Aug 2026US 12,716,908 B2Computational Systems, Inc.
- Information processing apparatus and information processing method16 Dec 2025US 12,498,709 B2Mitsubishi Electric Corporation
- Rotary member inspection method and rotary member inspection apparatus1 Jul 2025US 12,345,586 B2Subaru Corporation
- Hybrid power system and energy management optimization method thereof25 Mar 2025US 12,258,000 B2APh ePower Co., Ltd.
- Anomaly detection for rotating machines31 Dec 2024US 12,181,526 B2GE Infrastructure Technology LLC
- Method for attenuating interference in the measurement of a tilt angle of a vehicle26 Feb 2026US 2026/0054795 A1Schaeffler Technologies AG & Co. KG
- Optical inspection system embedded in an inlet probe body28 Aug 2025US 2025/0271331 A1Rtx Corporation
- Motor-monitoring device19 Jun 2025US 2025/0198880 A1Fanuc Corporation
- Methods and apparatus to generate a pulse waveform from a tachometer signal3 Apr 2025US 2025/0110148 A1Computational Systems, Inc.
- Hybrid power system and energy management optimization method thereof14 Nov 2024US 2024/0375638 A1APh ePower Co., Ltd.
Most cited
By later US patents
- On-line engine torque and torque fluctuation measurement for engine control utilizing crankshaft speed fluctuations82US 4,697,561 APurdue Research Foundation · 1987
- Data acquisition for use in determining malfunctions of cylinders of an internal combustion engine61US 4,179,922 AHarris Corporation · 1979
- Method of detecting low compression pressure responsive to crankshaft acceleration measurement and apparatus therefor56US 5,915,272 AMotorola, Inc. · 1999
- Selection of velocity interval for power stroke acceleration measurements51US 5,056,360 AFord Motor Company · 1991
- Method and apparatus for engine cylinder balancing using sensed engine speed50US 6,021,758 ACummins Engine Company, Inc. · 2000