H02P 7/29
Using pulse modulation
Official title: using pulse modulation
H02P7/29 (Using pulse modulation) appears on 802 US grants and 617 published applications in this corpus.
Search patents in H02P- Granted patents
- 802
- Published applications
- 617
- Assignees
- 476
- Inventors
- 1,527
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 19 | 0 |
| 1978 | 11 | 0 |
| 1979 | 18 | 0 |
| 1980 | 12 | 0 |
| 1981 | 15 | 0 |
| 1982 | 6 | 0 |
| 1983 | 13 | 0 |
| 1984 | 13 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 11 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 11 | 0 |
| 1999 | 11 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 2 |
| 2002 | 5 | 5 |
| 2003 | 9 | 21 |
| 2004 | 24 | 23 |
| 2005 | 15 | 24 |
| 2006 | 19 | 15 |
| 2007 | 19 | 37 |
| 2008 | 19 | 34 |
| 2009 | 29 | 31 |
| 2010 | 21 | 20 |
| 2011 | 18 | 27 |
| 2012 | 17 | 22 |
| 2013 | 27 | 31 |
| 2014 | 29 | 31 |
| 2015 | 33 | 32 |
| 2016 | 27 | 27 |
| 2017 | 28 | 25 |
| 2018 | 27 | 30 |
| 2019 | 26 | 31 |
| 2020 | 33 | 33 |
| 2021 | 31 | 26 |
| 2022 | 23 | 25 |
| 2023 | 20 | 24 |
| 2024 | 27 | 14 |
| 2025 | 14 | 19 |
| 2026 | 11 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Exercise apparatus with dynamic in-repetition motor induced resistance4 Aug 2026US 12,697,523 B2
- Electric motors23 Jun 2026US 12,665,453 B2Tau Motors, Inc.
- Diaphragm pump control for airbed applications19 May 2026US 12,633,850 B2Sizewise Rentals, L.L.C.
- Control circuit and method for DC motors14 Apr 2026US 12,603,588 B2Intex Marketing Ltd.
- Sensorless motor circuit providing accurate back electromotive force zero-crossing point detection and operation method thereof31 Mar 2026US 12,592,656 B2Artery Technology Co., Ltd.
- Electric motors17 Sep 2026US 2026/0280367 A1Tau Motors, Inc.
- Controlling speed of power tool13 Aug 2026US 2026/0238153 A1Mirka Ltd
- Control circuit and method for dc motors6 Aug 2026US 2026/0230009 A1Intex Marketing Ltd.
- Electrical control circuite for a reversible electric motor and control system for a vehicle slideway locking device9 Jul 2026US 2026/0192709 A1
- Voice coil motor driving circuit with adaptive control of the supply voltage11 Jun 2026US 2026/0163505 A1Samsung Electro-Mechanics Co., Ltd.
Most cited
By later US patents
- Method and arrangement for control of direct current motor1,395US 7,567,045 B2Kongsberg Automotive AB · 2009
- Surgical stapler having current mirror-based motor control1,222US 10,076,326 B2Ethicon, Inc. · 2018
- DC fan speed control1,219US 4,856,078 AZenith Electronics Corporation · 1989
- Method of controlling a motorized window treatment1,094US 7,839,109 B2Lutron Electronics Co., Inc. · 2010
- Adaptive current control1,062US 5,343,382 ADelco Electronics Corporation · 1994