G01L 3/109
Involving measuring phase difference of two signals or pulse trains
Official title: {involving measuring phase difference of two signals or pulse trains}
G01L3/109 (Involving measuring phase difference of two signals or pulse trains) appears on 185 US grants and 132 published applications in this corpus.
Search patents in G01L- Granted patents
- 185
- Published applications
- 132
- Assignees
- 135
- Inventors
- 413
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 5 | 8 |
| 2003 | 7 | 5 |
| 2004 | 7 | 14 |
| 2005 | 10 | 10 |
| 2006 | 9 | 5 |
| 2007 | 6 | 2 |
| 2008 | 1 | 3 |
| 2009 | 1 | 5 |
| 2010 | 3 | 1 |
| 2011 | 3 | 5 |
| 2012 | 1 | 7 |
| 2013 | 4 | 8 |
| 2014 | 7 | 1 |
| 2015 | 6 | 5 |
| 2016 | 3 | 5 |
| 2017 | 2 | 5 |
| 2018 | 4 | 6 |
| 2019 | 7 | 5 |
| 2020 | 5 | 5 |
| 2021 | 3 | 7 |
| 2022 | 6 | 5 |
| 2023 | 3 | 6 |
| 2024 | 3 | 4 |
| 2025 | 4 | 3 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotating machines torque measurement system for axially limited applications11 Aug 2026US 12,704,424 B1GE AEROSPACE POLAND sp. z o. o.
- Torque detection system21 Apr 2026US 12,607,529 B2Denso Corporation
- Position detection for a rotation angle sensor7 Apr 2026US 12,596,018 B2Hella GmbH & Co. KGaA
- System for determining a torque between two rotating members13 Jan 2026US 12,523,571 B2Ntn Europe
- Measuring torque using shaft twist in electric submersible pumping system motors7 Oct 2025US 12,435,617 B2Baker Hughes Oilfield Operations LLC
- Torque sensor device, system and method20 Aug 2026US 2026/0243616 A1Melexis Technologies SA
- Rotating machines torque measurement system for axially limited applications13 Aug 2026US 2026/0235461 A1GE AEROSPACE POLAND sp. z o. o.
- Method and sensor arrangement for wheel torque-based vehicle operation25 Sep 2025US 2025/0296575 A1Scania CV AB
- Apparatus and method for measuring torsion28 Aug 2025US 2025/0271315 A1
- Torque measurement system for aircraft engines10 Jul 2025US 2025/0224289 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- Rotational torque measurement device103US 8,666,682 B2Michigan Technological University · 2014
- Torque detecting apparatus72US 4,874,053 AHitachi, Ltd. · 1989
- Torque sensor of the noncontact type55US 4,627,298 AKabushiki Kaisha Toshiba · 1986
- System for detecting torque of automatic vehicle transmission and controlling the same based on detected torque41US 5,726,353 AHonda Giken Kogyo Kabushiki Kaisha · 1998
- Rotating shaft vibration monitor36US 5,438,882 AGeneral Electric Company · 1995