H02P 25/30
The motor being controlled by a control effected upon an ac generator
Official title: the motor being controlled by a control effected upon an AC generator supplying it
H02P25/30 (The motor being controlled by a control effected upon an ac generator) appears on 10 US grants and 15 published applications in this corpus.
Search patents in H02P- Granted patents
- 10
- Published applications
- 15
- Assignees
- 14
- Inventors
- 43
- Latest grant
- 28 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 3 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 2 |
| 2020 | 3 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Kinetic energy recovery system with flywheel21 Feb 2023US 11,588,373 B2Industrial Technology Research Institute
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- Driving device comprising a transformer function, driving system and method for operating a driving device27 Oct 2020US 10,819,268 B2ZF Friedrichshafen AG
- Propulsion system for an aircraft6 Oct 2020US 10,793,281 B2General Electric Company
- Systems for inverter having power module with t-type arrangement for electric vehicle26 Feb 2026US 2026/0058587 A1BorgWarner US Technologies LLC
- Powertrain, controller, and hybrid electric vehicle1 Jan 2026US 2026/0005540 A1Huawei Digital Power Technologies Co., Ltd.
- A power feedback control system and method of mgp system4 Aug 2022US 2022/0244750 A1Guizhou Power Grid Company Limited
- Kinetic energy recovery system with flywheel21 Jan 2021US 2021/0021172 A1Industrial Technology Research Institute
- Control device of multi-phase rotating machine3 Dec 2020US 2020/0382040 A1Denso Corporation
Most cited
By later US patents
- Biased unitized motor alternator with stationary armature and field9US 4,567,407 A1986
- Selectable servo ratio and dual speed control system for large centrifuge units5US 4,224,558 AThe United States of America as represented by the Secretary of the Air Force · 1980
- Propulsion system for an aircraft3US 10,793,281 B2General Electric Company · 2020
- Kinetic energy recovery system with flywheel1US 11,588,373 B2Industrial Technology Research Institute · 2023