H02K 19/12
Characterised by the arrangement of exciting windings
Official title: characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing
H02K19/12 (Characterised by the arrangement of exciting windings) appears on 141 US grants and 179 published applications in this corpus.
Search patents in H02K- Granted patents
- 141
- Published applications
- 179
- Assignees
- 100
- Inventors
- 334
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 3 | 4 |
| 2011 | 1 | 4 |
| 2012 | 4 | 7 |
| 2013 | 1 | 9 |
| 2014 | 5 | 10 |
| 2015 | 4 | 7 |
| 2016 | 2 | 13 |
| 2017 | 10 | 8 |
| 2018 | 12 | 10 |
| 2019 | 13 | 18 |
| 2020 | 12 | 12 |
| 2021 | 11 | 9 |
| 2022 | 13 | 8 |
| 2023 | 5 | 9 |
| 2024 | 12 | 12 |
| 2025 | 6 | 20 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wirelessly transferring power within an electric machine having AC and DC rotor coils9 Jun 2026US 12,651,992 B2Tau Motors, Inc.
- Electrically excited synchronous machine26 May 2026US 12,640,614 B2Mahle International GmbH
- Synchronous machine5 May 2026US 12,620,861 B2Mahle International GmbH
- Bipolar induction electric machine10 Mar 2026US 12,573,926 B2PolyWavePower IP Proprietary Limited
- Synchronous electric machine with reconfigurable rotor and stator poles6 Jan 2026US 12,519,379 B2GM Global Technology Operations LLC
- Electric Machine, Electric Axle Drive, Motor Vehicle, And Method For Manufacturing An Electric Machine8 Oct 2026US 2026/0312475 A1ZF Friedrichshafen AG
- Field winding type rotary electric machine13 Aug 2026US 2026/0238102 A1Denso Corporation
- Rotating electric machine30 Jul 2026US 2026/0221848 A1Denso Corporation
- System for a rotor sensor25 Jun 2026US 2026/0180407 A1Dana Automotive Systems Group, LLC
- Motor, brushless exciter system and a mobility device including the same25 Jun 2026US 2026/0180409 A1Chalmers University of Technology
Most cited
By later US patents
- Electric motor67US 7,795,830 B2Elckon Limited · 2010
- Quadrature axis field brushless exciter64US 4,093,869 AWestinghouse Electric Corp. · 1978
- Superconducting electric motor37US 7,453,174 B1American Superconductor Corporation · 2008
- Dual propeller shock resistant submersible propulsor unit33US 5,185,545 AWestinghouse Electric Corp. · 1993
- Wound rotor synchronous motor-generator and field control system therefor30US 5,770,909 ARosen Motors, L.P. · 1998