H02P 23/18
Controlling the angular speed together with angular position or phase
H02P23/18 (Controlling the angular speed together with angular position or phase) appears on 238 US grants and 99 published applications in this corpus.
Search patents in H02P- Granted patents
- 238
- Published applications
- 99
- Assignees
- 145
- Inventors
- 474
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 9 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 9 | 0 |
| 1981 | 10 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 8 | 0 |
| 1985 | 8 | 0 |
| 1986 | 11 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 10 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 5 | 2 |
| 2003 | 3 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 3 |
| 2006 | 3 | 3 |
| 2007 | 3 | 2 |
| 2008 | 2 | 3 |
| 2009 | 2 | 0 |
| 2010 | 1 | 3 |
| 2011 | 1 | 2 |
| 2012 | 1 | 4 |
| 2013 | 3 | 8 |
| 2014 | 3 | 3 |
| 2015 | 8 | 4 |
| 2016 | 2 | 2 |
| 2017 | 3 | 2 |
| 2018 | 1 | 2 |
| 2019 | 3 | 8 |
| 2020 | 2 | 10 |
| 2021 | 5 | 7 |
| 2022 | 8 | 8 |
| 2023 | 10 | 8 |
| 2024 | 9 | 7 |
| 2025 | 8 | 2 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus and method for adjusting attitude25 Aug 2026US 12,716,968 B2Hanwha Vision Co., Ltd.
- Control of a rotating electric machine24 Mar 2026US 12,587,120 B2Safran Electrical & Power
- Rollable electronic device including gear assembly17 Feb 2026US 12,556,120 B2Samsung Electronics Co., Ltd.
- Load sensing device for electric brake30 Dec 2025US 12,509,048 B2ZF Active Safety US Inc.
- Systems and methods for controlling a DC/AC inverter for use with an electric motor or an AC grid23 Dec 2025US 12,506,338 B2Sparq Systems Inc.
- Motor drive control device, motor unit, and motor drive control method20 Aug 2026US 2026/0246405 A1MINEBEA MITSUMI Inc.
- Drive device and method for controlling drive device23 Jul 2026US 2026/0213687 A1Mitsubishi Heavy Industries, Ltd.
- Motor control device and motor control method12 Mar 2026US 2026/0074639 A1Denso Corporation
- Measurement assistance device5 Mar 2026US 2026/0066825 A1OMRON Corporation
- Systems and methods for controlling a dc/ac inverter for use with an electric motor or an ac grid18 Sep 2025US 2025/0293519 A1Sparq Systems Inc.
Most cited
By later US patents
- Motor rotation controlling device70US 5,332,956 AGold Star Co., Ltd. · 1994
- Sequential color display system with spoke synchronous frame rate conversion49US 6,002,452 ATexas Instruments Incorporated · 1999
- Speed control circuit for phase-locked loop motor drive systems48US 4,271,382 AMatsushita Electric Industrial Co., Ltd. · 1981
- Spindle drive system40US 4,197,489 AMFE Corporation · 1980
- Phase locked loop and a motor control servo40US 4,564,794 AInternational Business Machines Corporation · 1986