H02P 6/185
Using inductance sensing
Official title: using inductance sensing, e.g. pulse excitation
H02P6/185 (Using inductance sensing) appears on 399 US grants and 353 published applications in this corpus.
Search patents in H02P- Granted patents
- 399
- Published applications
- 353
- Assignees
- 235
- Inventors
- 761
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 4 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 4 |
| 2002 | 7 | 5 |
| 2003 | 6 | 6 |
| 2004 | 8 | 16 |
| 2005 | 9 | 10 |
| 2006 | 17 | 11 |
| 2007 | 12 | 13 |
| 2008 | 9 | 10 |
| 2009 | 8 | 10 |
| 2010 | 5 | 12 |
| 2011 | 15 | 20 |
| 2012 | 10 | 7 |
| 2013 | 11 | 13 |
| 2014 | 9 | 13 |
| 2015 | 14 | 12 |
| 2016 | 14 | 15 |
| 2017 | 15 | 13 |
| 2018 | 20 | 16 |
| 2019 | 18 | 24 |
| 2020 | 19 | 28 |
| 2021 | 19 | 23 |
| 2022 | 31 | 22 |
| 2023 | 17 | 17 |
| 2024 | 17 | 18 |
| 2025 | 12 | 12 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image forming apparatus that detects stopping position of rotor of motor14 Apr 2026US 12,601,997 B2Canon Kabushiki Kaisha
- Method for operating a permanently excited synchronous motor of a hand-held working device, and hand-held working device3 Mar 2026US 12,567,819 B2Andreas Stihl AG & CO.KG
- Systems, apparatuses, and methods to perform startup step detection in an internal permanent magnet synchronous machine10 Feb 2026US 12,549,115 B2STMicroelectronics International N. V.
- Control device for synchronous motor11 Nov 2025US 12,470,159 B2Fanuc Corporation
- Drive apparatus of synchronous motor and method for driving synchronous motor26 Aug 2025US 12,401,301 B2Hitachi Astemo, Ltd.
- Method for Starting an EC Motor, Assembly, Tool, and Devices25 Jun 2026US 2026/0180477 A1Andreas Stihl AG & CO.KG
- Driving device for permanent magnet synchronous motor and control device23 Apr 2026US 2026/0112987 A1Nakanishi Inc.
- Motor Control Apparatus and Motor Control Method15 Jan 2026US 2026/0019014 A1Hitachi Astemo, Ltd.
- Control method to achieve zero and ultra-low speed operation for brushless dc motor without position sensor4 Dec 2025US 2025/0373182 A1Qorvo US, Inc.
- Method for detecting a movement of a flap of a motor vehicle20 Nov 2025US 2025/0354427 A1MAGNA Auteca GmbH
Most cited
By later US patents
- Control device for electric motor412US 7,005,828 B2Nissan Motor Co., Ltd. · 2006
- Method and apparatus for brushless DC motor speed control124US 4,876,491 AConner Peripherals, Inc. · 1989
- Directional electrostatic accretion process employing acoustic droplet formation116US 5,520,715 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1996
- Position detection for a brushless DC motor without hall effect devices using a time differential method109US 5,028,852 ASeagate Technology LLC · 1991
- Position detection for a brushless DC motor without Hall effect devices using a mutual inductance detection method109US 5,254,914 ASeagate Technology LLC · 1993