G01P 3/54
By measuring frequency of generated current or voltage
Official title: by measuring frequency of generated current or voltage
G01P3/54 (By measuring frequency of generated current or voltage) appears on 43 US grants and 20 published applications in this corpus.
Search patents in G01P- Granted patents
- 43
- Published applications
- 20
- Assignees
- 42
- Inventors
- 119
- Latest grant
- 30 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 7 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 3 |
| 2019 | 1 | 2 |
| 2020 | 2 | 0 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 2 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sensor device30 Aug 2022US 11,428,706 B2K.W.H. Ciclosport Vertriebs GmbH
- Impact and sound analysis for golf equipment22 Jun 2021US 11,040,244 B2Karsten Manufacturing Corporation
- Velocity estimation6 Apr 2021US 10,969,401 B2Nira Dynamics AB
- Method of recognizing obstacles on operation of a vibratory pile driver8 Dec 2020US 10,858,797 B2Liebherr-Werk Nenzing GmbH
- Wireless sensor device and software system for measuring linear position of a rotating object23 Jun 2020US 10,690,493 B2Myriad Sensors, Inc.
- Method for vehicle classification using multiple geomagnetic sensors2 Jul 2026US 2026/0186016 A1Xidian University
- Device and Method for Estimating a Current Wheel Diameter26 Sep 2024US 2024/0318956 A1ZF Friedrichshafen AG
- Full redundancy speed measurement method and system for rail2 May 2024US 2024/0140503 A1BYD Company Limited
- Control device for plate feeding device11 May 2023US 2023/0147738 A1Sankyo Seisakusho Co.
- Method, apparatus, and system for determining vehicle information based on inertial measurement unit sensor data2 Dec 2021US 2021/0370957 A1HERE Global B. V.
Most cited
By later US patents
- Device for measuring a relative displacement of two objects, including a magnetic scale and two mutually perpendicular magnetic sensors which produce two independent phase displaced signals51US 5,041,785 AU. S. Philips Corporation · 1991
- Tension transducer45US 5,167,159 A1992
- Electronic control interface for fluid powered diaphragm pump43US 5,257,914 AWarren Rupp, Inc. · 1993
- Reeled tubing counter assembly and measuring method33US 5,234,053 AHalliburton Geophysical Services, Inc. · 1993
- Velocity-measuring device32US 4,911,005 AThe John J. Heyn Co., Inc. · 1990