H02P 29/045
Whereby the speed is regulated by measuring the motor speed and comparing
Official title: {whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value}
H02P29/045 (Whereby the speed is regulated by measuring the motor speed and comparing) appears on 7 US grants and 5 published applications in this corpus.
Search patents in H02P- Granted patents
- 7
- Published applications
- 5
- Assignees
- 6
- Inventors
- 20
- Latest grant
- 12 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 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 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Motor drive control device using feedback speed control and motor current control12 Sep 2023US 11,754,084 B2MINEBEA MITSUMI Inc.
- System for managing real-time work information of a motor fitting17 Apr 2018US 9,946,247 B2Teco Electric & Machinery Co., Ltd.
- Motor controller with integrated serial interface having selectable synchronization and communications6 Dec 2011US 8,072,174 B2Rockwell Automation Technologies, Inc.
- Speed control apparatus of motor27 Jun 2006US 7,068,923 B2Mitsubishi Denki Kabushiki Kaisha
- Motor controller6 Mar 2001US 6,198,240 B1Hitachi, Ltd.
- Motor drive control device, fan and motor drive control method23 Nov 2023US 2023/0374995 A1
- Motor drive control device, fan and motor drive control method10 Sep 2020US 2020/0284266 A1MINEBEA MITSUMI Inc.
- System for managing real-time work information of a motor fitting29 Dec 2016US 2016/0378095 A1Teco Electric & Machinery Co., Ltd.
- Motor controller with integrated serial interface having selectable synchronization and communications20 May 2010US 2010/0123424 A1Rockwell Automation Technologies, Inc.
- Speed control apparatus of motor27 Oct 2005US 2005/0238335 A1Mitsubishi Denki Kabushiki Kaisha
Most cited
By later US patents
- Motor controller42US 6,198,240 B1Hitachi, Ltd. · 2001
- Speed control apparatus of motor17US 7,068,923 B2Mitsubishi Denki Kabushiki Kaisha · 2006
- Motor controller with integrated serial interface having selectable synchronization and communications15US 8,072,174 B2Rockwell Automation Technologies, Inc. · 2011
- Facsimile drive with dynamic brake1US 4,149,193 A1979