H02P 23/10
Controlling by adding a dc current
Official title: Controlling by adding a DC current
H02P23/10 (Controlling by adding a dc current) appears on 17 US grants and 11 published applications in this corpus.
Search patents in H02P- Granted patents
- 17
- Published applications
- 11
- Assignees
- 16
- Inventors
- 41
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 2 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 3 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Energy efficient induction motor24 Dec 2024US 12,176,834 B2PAL-K Dynamics Inc.
- Variable capacity drive circuit for a linear compressor in a refrigeration appliance6 Sep 2022US 11,434,883 B2Haier US Appliance Solutions, Inc.
- Motor control apparatus and method14 Jun 2022US 11,362,602 B2Hyundai Mobis Co., Ltd.
- Detection method and apparatus for motor parameters24 Oct 2024US 2024/0356469 A1Carrier Corporation
- An improved synchronized dual active bridge1 Aug 2024US 2024/0258949 A1Irp Nexus Group Ltd.
- Motor bus switching18 Apr 2024US 2024/0128909 A1Eaton Intelligent Power Limited
- Energy efficient induction motor14 Jul 2022US 2022/0224267 A1PAL-K Dynamics Inc.
- Variable capacity drive circuit for a linear compressor in a refrigeration appliance19 May 2022US 2022/0154706 A1Haier US Appliance Solutions, Inc.
Most cited
By later US patents
- A.C. induction motor energy conserving power control method and apparatus38US 4,806,838 A1989
- Methods and apparatus for controlling a motor/generator19US 7,116,073 B1Innovative Power Solutions, LLC · 2006
- Overtemperature speed control for a variable speed drive16US 4,542,324 AHughes Tool Company · 1985
- Speed control means for squirrel-cage motor9US 4,145,645 AHarnischfeger Corporation · 1979
- Variable capacity drive circuit for a linear compressor in a refrigeration appliance8US 11,434,883 B2Haier US Appliance Solutions, Inc. · 2022