H02P 2207/01
Asynchronous machines
H02P2207/01 (Asynchronous machines) appears on 274 US grants and 247 published applications in this corpus.
Search patents in H02P- Granted patents
- 274
- Published applications
- 247
- Assignees
- 173
- Inventors
- 618
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 2 |
| 2003 | 4 | 1 |
| 2004 | 0 | 3 |
| 2005 | 4 | 6 |
| 2006 | 3 | 1 |
| 2007 | 7 | 10 |
| 2008 | 4 | 6 |
| 2009 | 4 | 8 |
| 2010 | 7 | 11 |
| 2011 | 7 | 6 |
| 2012 | 5 | 9 |
| 2013 | 8 | 8 |
| 2014 | 6 | 8 |
| 2015 | 7 | 9 |
| 2016 | 11 | 7 |
| 2017 | 5 | 6 |
| 2018 | 9 | 17 |
| 2019 | 16 | 13 |
| 2020 | 9 | 15 |
| 2021 | 19 | 14 |
| 2022 | 15 | 16 |
| 2023 | 11 | 19 |
| 2024 | 15 | 15 |
| 2025 | 18 | 22 |
| 2026 | 6 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Arrangement and method for determining the operational performance of a rotating electric machine9 Jun 2026US 12,651,991 B2Siemens Aktiengesellschaft
- Feedforward current control of induction machines26 May 2026US 12,640,670 B2Steering Solutions IP Holding Corporation
- Boosted converter for pulsed electric machine control21 Apr 2026US 12,609,646 B2Tula eTechnology, Inc.
- Dual motor system with flow control17 Mar 2026US 12,580,502 B2Nidec Motor Corporation
- Electric power generation system10 Mar 2026US 12,573,972 B2Hitachi Construction Machinery Co., Ltd.
- Integrated Induction Motor Monitoring and Overload Protection Device17 Sep 2026US 2026/0280466 A1ABB Schweiz AG
- Method for diagnosing the state of an electric motor3 Sep 2026US 2026/0261220 A1Siemens Aktiengesellschaft
- Method and system for controlling hybrid electric vehicles27 Aug 2026US 2026/0254381 A1King Fahd University of Petroleum and Minerals
- Power conversion device and motor control system2 Jul 2026US 2026/0189163 A1Hitachi Industrial Equipment Systems Co., Ltd.
- Methods and systems for monitoring of an electrical machine11 Jun 2026US 2026/0160810 A1Siemens Aktiengesellschaft
Most cited
By later US patents
- Four quadrant motor controller minimizing distortion index88US 5,585,708 AKenetech Windpower, Inc. · 1996
- Vector control system for induction motors56US 4,808,903 AHitachi, Ltd. · 1989
- Method and apparatus for flux and torque sensing in electrical machines48US 4,724,373 AWisconsin Alumni Research Foundation · 1988
- Method and apparatus to regulate loads48US 6,982,533 B2Rockwell Automation Technologies, Inc. · 2006
- Torque generator device, application thereof to physical exercise apparatus, and variable speed motor drive therefor47US 5,569,121 A1996