H02P 9/36
Using armature-reaction-excited machines
Official title: using armature-reaction-excited machines
H02P9/36 (Using armature-reaction-excited machines) appears on 32 US grants and 12 published applications in this corpus.
Search patents in H02P- Granted patents
- 32
- Published applications
- 12
- Assignees
- 19
- Inventors
- 65
- Latest grant
- 6 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 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 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 3 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Dual-winding synchronous reluctance machine composed of an excitation winding and a separate power winding6 Feb 2024US 11,894,737 B2GE Avio S. r. l.
- Control of a wound field synchronous generator for transient load response6 Jun 2023US 11,671,038 B2Hamilton Sundstrand Corporation
- Electric power generation control device of alternating current generator for vehicles2 Jun 2020US 10,673,362 B2Mitsubishi Electric Corporation
- System and method for an inverter for self-excitation of an induction machine5 Mar 2019US 10,224,849 B2Deere & Company
- High voltage DC power generating system including selectively removable neutral node10 Apr 2018US 9,941,827 B2Hamilton Sundstrand Corporation
- Dual-Winding Synchronous Reluctance Machine Composed of an Excitation Winding and a Separate Power Winding8 Jul 2021US 2021/0211028 A1GE Avio S. r. l.
- Control of a wound field synchronous generator for transient load response11 Feb 2021US 2021/0044231 A1Hamilton Sundstrand Corporation
- High frequency ac power generator13 Aug 2020US 2020/0259404 A1
- Electric power generation control device of alternating current generator for vehicles13 Sep 2018US 2018/0262138 A1Mitsubishi Electric Corporation
- High voltage dc power generating system including selectively removable neutral node14 Dec 2017US 2017/0359009 A1Hamilton Sundstrand Corporation
Most cited
By later US patents
- Excitation system for a brushless generator having separate AC and DC exciter field windings53US 4,939,441 ASundstrand Corporation · 1990
- Alternating current generator for providing three phase and single phase power at different respective voltages45US 4,233,555 ADyna Technology, Inc. · 1980
- Automatic voltage regulating system in brushless generator44US 4,035,713 AHonda Giken Kogyo Kabushiki Kaisha · 1977
- Dynamoelectric machines brushless supplemental excitation system30US 4,336,486 AWestinghouse Electric Corp. · 1982
- Voltage regulator29US 3,984,755 AGeneral Motors Corporation · 1976