H02P 23/186
Of one shaft by controlling the prime mover
Official title: {of one shaft by controlling the prime mover}
H02P23/186 (Of one shaft by controlling the prime mover) appears on 152 US grants and 18 published applications in this corpus.
Search patents in H02P- Granted patents
- 152
- Published applications
- 18
- Assignees
- 88
- Inventors
- 262
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 10 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 7 | 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 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 5 | 2 |
| 2003 | 3 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 2 |
| 2023 | 1 | 1 |
| 2024 | 3 | 2 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Load sensing device for electric brake30 Dec 2025US 12,509,048 B2ZF Active Safety US Inc.
- Comparator circuit with speed control element16 Dec 2025US 12,500,596 B2Retym, Inc.
- Method and system for determining crankshaft position in an electrical generating system8 Oct 2024US 12,113,472 B2Pegasus Aeronautics Corporation
- Characteristic evaluation device and characteristic evaluation method of shaft coupling25 Jun 2024US 12,021,466 B2Miki Pulley Co., Ltd.
- Comparator circuit with speed control element28 May 2024US 11,996,858 B2Retym, Inc.
- Load sensing device for electric brake3 Oct 2024US 2024/0326769 A1ZF Active Safety US Inc.
- Comparator circuit with speed control element12 Sep 2024US 2024/0305307 A1Retym, Inc.
- Comparator circuit with speed control element16 Nov 2023US 2023/0370080 A1Retym, Inc.
- Characteristic evaluation device and characteristic evaluation method of shaft coupling1 Sep 2022US 2022/0278638 A1Miki Pulley Co., Ltd.
- Method and system for determining crankshaft position in an electrical generating system4 Aug 2022US 2022/0247332 A1Pegasus Aeronautics Corporation
Most cited
By later US patents
- Motor rotation controlling device70US 5,332,956 AGold Star Co., Ltd. · 1994
- 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
- Erroneous pulse sequence detector37US 4,465,977 ADiscovision Associates · 1984