H02K 19/10
For multi-phase current
Official title: for multi-phase current
H02K19/10 (For multi-phase current) appears on 835 US grants and 812 published applications in this corpus.
Search patents in H02K- Granted patents
- 835
- Published applications
- 812
- Assignees
- 415
- Inventors
- 1,586
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 8 | 0 |
| 1991 | 7 | 0 |
| 1992 | 10 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 10 | 0 |
| 1996 | 16 | 0 |
| 1997 | 14 | 0 |
| 1998 | 25 | 0 |
| 1999 | 35 | 0 |
| 2000 | 24 | 0 |
| 2001 | 20 | 2 |
| 2002 | 13 | 19 |
| 2003 | 4 | 15 |
| 2004 | 27 | 22 |
| 2005 | 14 | 20 |
| 2006 | 15 | 23 |
| 2007 | 16 | 21 |
| 2008 | 14 | 17 |
| 2009 | 14 | 15 |
| 2010 | 15 | 24 |
| 2011 | 13 | 19 |
| 2012 | 14 | 32 |
| 2013 | 8 | 39 |
| 2014 | 21 | 44 |
| 2015 | 14 | 41 |
| 2016 | 17 | 46 |
| 2017 | 46 | 52 |
| 2018 | 40 | 46 |
| 2019 | 48 | 69 |
| 2020 | 73 | 50 |
| 2021 | 45 | 43 |
| 2022 | 43 | 41 |
| 2023 | 27 | 31 |
| 2024 | 35 | 29 |
| 2025 | 22 | 30 |
| 2026 | 11 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Motor rotor, self-starting synchronous reluctance motor comprising same, and compressor6 Oct 2026US 12,756,283 B2Gree Electric Appliances, Inc. of Zhuhai
- Power tool and control method thereof4 Aug 2026US 12,700,816 B2Nanjing Chervon Industry Co., Ltd.
- Four-pole synchronous reluctance motor9 Jun 2026US 12,651,936 B2Siemens Aktiengesellschaft
- Synchronous reluctance motor9 Jun 2026US 12,651,938 B2Mitsubishi Electric Corporation
- Wirelessly transferring power within an electric machine having AC and DC rotor coils9 Jun 2026US 12,651,992 B2Tau Motors, Inc.
- Electric Machine, Electric Axle Drive, Motor Vehicle, And Method For Manufacturing An Electric Machine8 Oct 2026US 2026/0312475 A1ZF Friedrichshafen AG
- Synchronous electric machine with fixed clawed inductor17 Sep 2026US 2026/0280362 A1
- Electromechanical actuator comprising a compact and low-noise synchronous reluctance motor27 Aug 2026US 2026/0254297 A1Somfy Activites SA
- Field winding type rotary electric machine13 Aug 2026US 2026/0238102 A1Denso Corporation
- Rotating electric machine30 Jul 2026US 2026/0221848 A1Denso Corporation
Most cited
By later US patents
- Methods and apparatus for increasing power of permanent magnet motors1,432US 6,777,838 B22004
- Wind turbine119US 7,042,109 B22006
- Method of manufacturing micromechanical devices111US 5,206,983 AWisconsin Alumni Research Foundation · 1993
- Polyphase switched reluctance motor101US 5,111,095 AMagna Physics Corporation · 1992
- Variable speed variable reluctance electrical machines93US 4,670,696 AKollmorgen Technologies Corporation · 1987