H02K 11/049
Rectifiers associated with stationary parts
Official title: Rectifiers associated with stationary parts, e.g. stator cores
H02K11/049 (Rectifiers associated with stationary parts) appears on 714 US grants and 615 published applications in this corpus.
Search patents in H02K- Granted patents
- 714
- Published applications
- 615
- Assignees
- 225
- Inventors
- 1,200
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 7 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 0 | 0 |
| 1997 | 11 | 0 |
| 1998 | 19 | 0 |
| 1999 | 16 | 0 |
| 2000 | 17 | 0 |
| 2001 | 22 | 7 |
| 2002 | 13 | 35 |
| 2003 | 26 | 28 |
| 2004 | 31 | 42 |
| 2005 | 26 | 30 |
| 2006 | 23 | 34 |
| 2007 | 17 | 37 |
| 2008 | 27 | 31 |
| 2009 | 32 | 31 |
| 2010 | 34 | 34 |
| 2011 | 22 | 22 |
| 2012 | 17 | 22 |
| 2013 | 18 | 22 |
| 2014 | 20 | 28 |
| 2015 | 25 | 26 |
| 2016 | 19 | 28 |
| 2017 | 23 | 33 |
| 2018 | 24 | 17 |
| 2019 | 37 | 27 |
| 2020 | 22 | 26 |
| 2021 | 25 | 17 |
| 2022 | 14 | 9 |
| 2023 | 17 | 14 |
| 2024 | 7 | 7 |
| 2025 | 9 | 5 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Wirelessly transferring power within an electric machine with actively rectified rotor windings23 Jun 2026US 12,665,474 B2Tau Motors, Inc.
- Integrated multi-port generator-rectifier device and method14 Apr 2026US 12,603,565 B2The Board of Trustees of the University of Illinois
- Rotating electric machine system and combined power system17 Mar 2026US 12,580,461 B2Honda Motor Co., Ltd.
- High efficiency circulator with sensors18 Nov 2025US 12,473,923 B2Taco, Inc.
- Harvesting energy for a smart ring via piezoelectric charging9 Sep 2025US 12,413,163 B2Quanata, LLC
- Wirelessly transferring power within an electric machine with actively rectified rotor windings17 Sep 2026US 2026/0280390 A1Tau Motors, Inc.
- Electricity generating device13 Aug 2026US 2026/0235106 A1
- High efficiency circulator with sensors18 Jun 2026US 2026/0168502 A1Taco, Inc.
- Systems and Methods for Using Auxiliary Windings of an Electric Motor for Powering Electronic Components9 Oct 2025US 2025/0317029 A1ABB Schweiz AG
- Rotating electric machine system and combined power system31 Jul 2025US 2025/0246979 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Power supply semi-trailer for electric drive fracturing equipment165US 11,035,214 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2021
- Motor/generator apparatus for motor vehicle151US 6,425,838 B1Hitachi Car Engineering Co., Ltd. · 2002
- Control of fuel flow for power generation based on DC link level106US 11,008,950 B2Dynamo Micropower Corporation · 2021
- Compact high power alternator100US 7,122,923 B2Magnetic Applications, Inc. · 2006
- Hydration-blender transport for fracturing operation98US 10,415,332 B2Typhon Technology Solutions, LLC · 2019