H02P 7/291
With on-off control between two set points
Official title: with on-off control between two set points, e.g. controlling by hysteresis
H02P7/291 (With on-off control between two set points) appears on 50 US grants and 24 published applications in this corpus.
Search patents in H02P- Granted patents
- 50
- Published applications
- 24
- Assignees
- 38
- Inventors
- 88
- Latest grant
- 10 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 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 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 3 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 3 |
| 2020 | 3 | 4 |
| 2021 | 4 | 1 |
| 2022 | 3 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Power supply controller10 Oct 2023US 11,784,593 B2Denso Corporation
- Hysteresis-controlled DC-DC boost converter for aerial vehicles11 Oct 2022US 11,469,673 B2Amazon Technologies, Inc.
- Drive arrangement for door operator12 Jul 2022US 11,384,588 B2Assa Abloy Entrance Systems AB
- Motor controller28 Jun 2022US 11,374,517 B2Global Mixed-mode Technology Inc.
- Motor control device and brake fluid pressure control device for vehicle26 Oct 2021US 11,155,251 B2Nissin Kogyo Co., Ltd.
- Controlling speed of power tool13 Aug 2026US 2026/0238153 A1Mirka Ltd
- Multiphase motor driving circuit and multiphase motor driving method20 Mar 2025US 2025/0096705 A1Richtek Technology Corporation
- Start-up device, motor system and method for reducing dc motor start-up current16 Jan 2025US 2025/0023494 A1Carrier Corporation
- Power supply controller18 Aug 2022US 2022/0263440 A1Denso Corporation
- Motor controller24 Mar 2022US 2022/0094289 A1Global Mixed-mode Technology Inc.
Most cited
By later US patents
- AC/DC chopper for power tool98US 6,286,609 B1Black & Decker Inc. · 2001
- Personal air sampler with electric motor driven by intermittent full-power pulses under control, between pulses, of motor's back electromotive force40US 4,292,574 AAnatole J. Sipin Company · 1981
- DC Motor speed controller34US 4,309,645 A1982
- Speed control apparatus for direct current motor19US 4,427,931 ASanyo Electric Co., Ltd. · 1984
- Direct current adjusting device16US 4,829,218 ABraun GmbH · 1989