H02P 1/22
In either direction of rotation
Official title: in either direction of rotation
H02P1/22 (In either direction of rotation) appears on 39 US grants and 35 published applications in this corpus.
Search patents in H02P- Granted patents
- 39
- Published applications
- 35
- Assignees
- 39
- Inventors
- 128
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 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 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 2 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 3 |
| 2015 | 1 | 4 |
| 2016 | 3 | 4 |
| 2017 | 4 | 0 |
| 2018 | 1 | 4 |
| 2019 | 3 | 3 |
| 2020 | 3 | 0 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
| 2024 | 0 | 2 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electronic device comprising drive motor27 Jan 2026US 12,537,418 B2Samsung Electronics Co., Ltd.
- Method of controlling a brushless permanent-magnet motor11 Feb 2025US 12,224,698 B2Dyson Technology Limited
- Motor assemblies for architectural coverings5 Dec 2023US 11,834,903 B2Hunter Douglas Inc.
- Soft starter, operating method, and switching system31 Aug 2021US 11,108,344 B2Siemens Aktiengesellschaft
- Control apparatus for a synchronous motor23 Feb 2021US 10,931,213 B2Toshiba Mitsubishi-Electric Industrial Systems Corporation
- Electric work machine2 Apr 2026US 2026/0090493 A1Makita Corporation
- Electronic device comprising flexible display and method for operating same9 Oct 2025US 2025/0317505 A1Samsung Electronics Co., Ltd.
- Electronic device comprising flexible display and operation method therefor25 Sep 2025US 2025/0298425 A1Samsung Electronics Co., Ltd.
- Motor assemblies for architectural coverings15 Feb 2024US 2024/0052700 A1Hunter Douglas Inc.
- Electronic device comprising drive motor8 Feb 2024US 2024/0048025 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Control circuit for five-phase brushless DC motor143US 5,744,921 ASiemens Electric Limited · 1998
- Power contactor and control circuit49US 4,152,634 APower Management Corporation · 1979
- Compact miniature motor20US 6,054,785 AMolon Motor & Coil Corporation · 2000
- Motor controlling switch device18US 4,543,515 AKabushiki Kaisha Tokai Rika Denki Seisakusho · 1985
- Motor assemblies for architectural coverings16US 10,851,587 B2Hunter Douglas Inc. · 2020