H02P 29/50
Reduction of harmonics
H02P29/50 (Reduction of harmonics) appears on 480 US grants and 574 published applications in this corpus.
Search patents in H02P- Granted patents
- 480
- Published applications
- 574
- Assignees
- 271
- Inventors
- 1,248
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 5 |
| 2003 | 5 | 7 |
| 2004 | 5 | 6 |
| 2005 | 5 | 11 |
| 2006 | 8 | 10 |
| 2007 | 9 | 6 |
| 2008 | 5 | 16 |
| 2009 | 6 | 12 |
| 2010 | 11 | 9 |
| 2011 | 12 | 12 |
| 2012 | 9 | 9 |
| 2013 | 10 | 15 |
| 2014 | 8 | 21 |
| 2015 | 23 | 20 |
| 2016 | 24 | 31 |
| 2017 | 25 | 32 |
| 2018 | 31 | 31 |
| 2019 | 36 | 42 |
| 2020 | 38 | 35 |
| 2021 | 27 | 43 |
| 2022 | 44 | 33 |
| 2023 | 25 | 48 |
| 2024 | 39 | 52 |
| 2025 | 42 | 32 |
| 2026 | 21 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Filter for a motor drive9 Jun 2026US 12,651,993 B2Collins Aerospace Ireland, Limited
- Control factor based matrix converter control in a motor drive unit8 Oct 2026US 2026/0312525 A1Vidar Corporation
- Priority-based matrix converter control in an electric motor drive unit1 Oct 2026US 2026/0302995 A1Vidar Corporation
- Device and method for controlling electric motor1 Oct 2026US 2026/0302999 A1Hl Mando Corporation
- Ac motor control device and air conditioning device27 Aug 2026US 2026/0254387 A1Mitsubishi Electric Corporation
- Symmetric buck circuit for electrically excited synchronous machine27 Aug 2026US 2026/0254393 A1BorgWarner Luxembourg Automotive Systems SA
Most cited
By later US patents
- Method and apparatus for quiet variable motor speed control1,483US 7,330,004 B2Lutron Electronics Co., Inc. · 2008
- Integrated torsional mode damping system and method135US 7,173,399 B2General Electric Company · 2007
- Systems and methods for motor torque compensation102US 10,033,308 B2Intuitive Surgical Operations, Inc. · 2018
- Electromechanical energy conversion systems67US 7,710,081 B2Direct Drive Systems, Inc. · 2010
- Mesh connected electrical rotating machine with span changing61US 6,838,791 B2Borealis Technical Limited · 2005