H02P 1/46
For starting an individual synchronous motor
Official title: for starting an individual synchronous motor {(H02P27/04 takes precedence)}
H02P1/46 (For starting an individual synchronous motor) appears on 307 US grants and 284 published applications in this corpus.
Search patents in H02P- Granted patents
- 307
- Published applications
- 284
- Assignees
- 185
- Inventors
- 651
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 4 |
| 2003 | 3 | 4 |
| 2004 | 5 | 2 |
| 2005 | 3 | 3 |
| 2006 | 2 | 8 |
| 2007 | 4 | 7 |
| 2008 | 6 | 5 |
| 2009 | 5 | 7 |
| 2010 | 2 | 10 |
| 2011 | 7 | 14 |
| 2012 | 13 | 9 |
| 2013 | 11 | 16 |
| 2014 | 7 | 12 |
| 2015 | 15 | 18 |
| 2016 | 18 | 23 |
| 2017 | 17 | 17 |
| 2018 | 14 | 15 |
| 2019 | 17 | 21 |
| 2020 | 24 | 19 |
| 2021 | 15 | 16 |
| 2022 | 18 | 12 |
| 2023 | 15 | 15 |
| 2024 | 9 | 12 |
| 2025 | 14 | 7 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Motor drive device29 Sep 2026US 12,749,992 B2Kabushiki Kaisha Toyota Jidoshokki
- Method for automatically setting an angular position sensor16 Jun 2026US 12,658,834 B2Safran Electrical & Power
- Method of aligning a stationary rotor of a synchronous motor at a configured rotor angle and a controller therefor26 May 2026US 12,640,631 B1Kinetic Technologies International Holdings LP
- Methods and systems for synchronizing synchronous motors with electric grid based on detected shaft position14 Apr 2026US 12,603,590 B2Nuovo Pignone Tecnologie Srl
- Systems, apparatuses, and methods to perform startup step detection in an internal permanent magnet synchronous machine10 Feb 2026US 12,549,115 B2STMicroelectronics International N. V.
- Downwind starting method for permanent magnet synchronous motor without back electromotive force sampling circuit2 Jul 2026US 2026/0189162 A1Zhongshan Broad-Ocean Motor Co., Ltd.
- Method for Starting an EC Motor, Assembly, Tool, and Devices25 Jun 2026US 2026/0180477 A1Andreas Stihl AG & CO.KG
- Method for operating a direction-of-rotation sensorless electric motor18 Jun 2026US 2026/0168488 A1Schaeffler Technologies AG & Co. KG
- Synchronous electric machine and enhanced control thereof11 Jun 2026US 2026/0163501 A1Multipolar Development Corporation
- Independent transistor gate sequencing for precision zero-cross shutoff11 Jun 2026US 2026/0163502 A1Rockwell Automation Technologies, Inc.
Most cited
By later US patents
- Starter/generator system with variable-frequency exciter control139US 5,594,322 ASundstrand Corporation · 1997
- Permanent magnet direct current (PMDC) machine with integral reconfigurable winding control53US 5,912,522 A1999
- Synchronous motor drive unit and a driving method thereof49US 7,294,988 B2Hitachi, Ltd. · 2007
- Synchronous motor having selectable rotation direction44US 5,142,214 ASextant Avionique (Societe Anonyme Francaise) · 1992
- Method and system for starting a motor-commutated SCR inverter42US 4,565,957 ABorg-Warner Corporation · 1986