H02K 23/22
Having compensating or damping windings
Official title: having compensating or damping windings
H02K23/22 (Having compensating or damping windings) appears on 12 US grants and 10 published applications in this corpus.
Search patents in H02K- Granted patents
- 12
- Published applications
- 10
- Assignees
- 12
- Inventors
- 43
- Latest grant
- 6 Jul 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 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 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 3 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Rotor and motor having the same6 Jul 2021US 11,056,958 B2Johnson Electric International AG
- Electrical machine8 Sep 2020US 10,770,958 B2ROLLS-ROYCE plc
- Rotary electric machine with armature magnetic reaction compensation31 May 2016US 9,356,498 B2Valeo Equipements Electriques Moteur
- Method of manufacturing a rotary electric machine and a rotary electric machine22 Jul 2003US 6,597,080 B2ABB AB
- Method of manufacturing electrical windings22 Jan 2002US 6,339,870 B1
- Winding field rotor24 Jul 2025US 2025/0239926 A1Denso Corporation
- Drone for triggering naval mines, having an electric drive18 Nov 2021US 2021/0354798 A1Siemens Energy Global GmbH & Co. KG
- Brush motor5 Dec 2019US 2019/0372445 A1
- Rotor and motor having the same26 Sep 2019US 2019/0296625 A1Johnson Electric International AG
- Electrical machine23 May 2019US 2019/0157956 A1ROLLS-ROYCE plc
Most cited
By later US patents
- Stator construction for a permanent magnet-excited d-c machine21US 4,011,479 ASiemens Aktiengesellschaft · 1977
- Segmented magnet dynamoelectric machine with series connected rotor conductors10US 4,307,310 AWestinghouse Electric Corp. · 1981
- Flux damper for permanent magnet electric motors10US 6,255,754 B1Valeo Electrical Systems, Inc. · 2001
- Method of manufacturing a rotary electric machine and a rotary electric machine10US 6,597,080 B2ABB AB · 2003
- Armature construction for eliminating armature reaction in electric rotating machines7US 4,716,329 A1987