H02K 19/36
Structural association of synchronous generators with auxiliary electric devices influencing the characteristic
Official title: Structural association of synchronous generators with auxiliary electric devices influencing the characteristic of the generator or controlling the generator, e.g. with impedances or switches
H02K19/36 (Structural association of synchronous generators with auxiliary electric devices influencing the characteristic) appears on 314 US grants and 233 published applications in this corpus.
Search patents in H02K- Granted patents
- 314
- Published applications
- 233
- Assignees
- 113
- Inventors
- 536
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 11 | 0 |
| 1998 | 8 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 11 | 2 |
| 2002 | 6 | 12 |
| 2003 | 6 | 7 |
| 2004 | 7 | 11 |
| 2005 | 8 | 20 |
| 2006 | 15 | 14 |
| 2007 | 9 | 15 |
| 2008 | 10 | 16 |
| 2009 | 16 | 9 |
| 2010 | 14 | 6 |
| 2011 | 4 | 8 |
| 2012 | 8 | 10 |
| 2013 | 7 | 3 |
| 2014 | 9 | 13 |
| 2015 | 6 | 5 |
| 2016 | 6 | 10 |
| 2017 | 7 | 10 |
| 2018 | 6 | 11 |
| 2019 | 13 | 9 |
| 2020 | 14 | 8 |
| 2021 | 6 | 8 |
| 2022 | 7 | 8 |
| 2023 | 3 | 5 |
| 2024 | 11 | 6 |
| 2025 | 5 | 4 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electric machine with disconnectable brush module, the brush module, and a motor vehicle21 Apr 2026US 12,609,593 B2Audi AG
- Replacement or repair of generator neutral ring30 Dec 2025US 12,512,736 B2Electromechanical Engineering Associates, Inc.
- Synchronous electrical machine and boat comprising such a machine23 Dec 2025US 12,506,391 B2GE Energy Power Conversion Technology Limited
- Positioning device for producing a rotational position signal and an excitation device for producting an excitation signal for a resolver19 Aug 2025US 12,395,105 B2Danfoss Editron Oy
- De-exciting system for inductive circuits13 May 2025US 12,301,158 B2ABB Schweiz AG
- Field winding type rotary electric machine13 Aug 2026US 2026/0238102 A1Denso Corporation
- Rotating electric machine30 Jul 2026US 2026/0221848 A1Denso Corporation
- Wound-field rotating electric machine16 Jul 2026US 2026/0204971 A1Denso Corporation
- Rotor assembly, and synchronous machine including the rotor assembly24 Jul 2025US 2025/0239910 A1Mahle International GmbH
- Multiple wound rotor for electric machine10 Apr 2025US 2025/0119005 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Hybrid alternator213US 5,747,909 AEcoair Corp. · 1998
- Alternator for an automotive vehicle130US 5,998,903 ADenso Corporation · 1999
- Alternator for vehicle91US 5,955,810 ADenso Corporation · 1999
- Alternator for vehicle85US 6,291,918 B1Denso Corporation · 2001
- Method and device for controlling the magnetic flux in a rotating high voltage electric alternating current machine81US 6,525,504 B1ABB AB · 2003