H02P 2209/07
Trapezoidal waveform
H02P2209/07 (Trapezoidal waveform) appears on 216 US grants and 152 published applications in this corpus.
Search patents in H02P- Granted patents
- 216
- Published applications
- 152
- Assignees
- 125
- Inventors
- 408
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 3 |
| 2002 | 6 | 8 |
| 2003 | 8 | 5 |
| 2004 | 7 | 14 |
| 2005 | 11 | 9 |
| 2006 | 9 | 13 |
| 2007 | 10 | 12 |
| 2008 | 8 | 3 |
| 2009 | 4 | 15 |
| 2010 | 5 | 8 |
| 2011 | 8 | 13 |
| 2012 | 5 | 4 |
| 2013 | 6 | 3 |
| 2014 | 11 | 3 |
| 2015 | 8 | 1 |
| 2016 | 2 | 2 |
| 2017 | 1 | 0 |
| 2018 | 2 | 1 |
| 2019 | 2 | 3 |
| 2020 | 4 | 6 |
| 2021 | 4 | 3 |
| 2022 | 3 | 4 |
| 2023 | 3 | 9 |
| 2024 | 7 | 4 |
| 2025 | 2 | 1 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Phase advance method in motors with permanent magnets presenting induced voltages with flat region26 May 2026US 12,640,668 B2Nidec Global Appliance Brasil Ltda.
- Motor and control device thereof24 Mar 2026US 12,587,045 B2
- Motor control device22 Jul 2025US 12,368,397 B2OMRON Corporation
- System and method for controlling operation of a motor10 Jun 2025US 12,328,090 B2Tata Elxsi Limited
- Estimating input currents provided to an electric motor15 Oct 2024US 12,119,764 B2Rivian IP Holdings, LLC
- Method of Controlling an Electric Motor and Control System for an Electric Motor30 Jul 2026US 2026/0221909 A1Infineon Technologies Austria AG
- Topological circuit and control strategy for driving switched reluctance motor (srm)7 May 2026US 2026/0128704 A1Taiyuan University of Technology
- Driving circuit for brushless electric motor, control method and apparatus therefor, and device30 Apr 2026US 2026/0121564 A1Xuxin Technology (Shenzhen) Group Co., Ltd
- Electronic power systems for brushless electrical motors provided with fail-safe circuits22 Jan 2026US 2026/0025092 A1FAAC Incorporated
- Method for Operating a Position Sensorless BLDC Motor of an Oil Pump, Computer Program, Computer Program Product, Heat-Transfer Medium System, and Vehicle8 Jan 2026US 2026/0012111 A1Vitesco Technologies GmbH
Most cited
By later US patents
- Electronically commutated motor1,555US 4,169,990 AGeneral Electric Company · 1979
- Method and apparatus for controlling brushless DC motors in implantable medical devices118US 7,138,776 B1HeartWare, Inc. · 2006
- PWM control of motor driver105US 5,869,946 ASTMicroelectronics S.r. l. · 1999
- Motor controls, refrigeration systems and methods of motor operation and control97US 5,376,866 AGeneral Electric Company · 1994
- Method for controlling a permanent magnet motor95US 6,605,912 B1Delphi Technologies, Inc. · 2003