H02P 7/2855
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}
H02P7/2855 (Whereby the speed is regulated by measuring the motor speed and comparing) appears on 57 US grants and 26 published applications in this corpus.
Search patents in H02P- Granted patents
- 57
- Published applications
- 26
- Assignees
- 46
- Inventors
- 93
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 2 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 3 |
| 2019 | 2 | 2 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 3 | 3 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Motor system for remote electronic tilt antennas and methods for controlling same28 Oct 2025US 12,456,805 B2Outdoor Wireless Networks LLC
- Assisted print medium receipt23 Apr 2024US 11,964,837 B2Hewlett-Packard Development Company, L. P.
- Ripple count circuit including varying ripple threshold detection18 Jul 2023US 11,705,836 B2Inteva France
- Wiper control device30 May 2023US 11,661,034 B2Denso Corporation
- Control circuit applied to lifting platform and method of controlling the same4 Apr 2023US 11,621,658 B2
- Motor system for remote electronic tilt antennas and methods for controlling same30 Nov 2023US 2023/0387590 A1CommScope Technologies LLC
- Ripple count circuit including varying ripple threshold detection20 Apr 2023US 2023/0118710 A1Inteva Products France SAS
- Control circuit applied to lifting platform and method of controlling the same5 Jan 2023US 2023/0006577 A1
- Assisted print medium receipt27 Jan 2022US 2022/0024711 A1Hewlett-Packard Development Company, L. P.
- Ripple count circuit including varying ripple threshold detection29 Oct 2020US 2020/0343842 A1Inteva Products France SAS
Most cited
By later US patents
- Control system for battery-operated pump80US 4,241,299 AMine Safety Appliances Company · 1980
- Use of an accelerometer to control vibrator performance42US 8,084,968 B2Sony Ericsson Mobile Communications AB · 2011
- Circuit for shaping and making use of armature current ripple as generated by a D.C. motor, in particular for position control41US 4,924,166 AJaeger · 1990
- Fan speed detection in the presence of PWM speed control32US 6,778,938 B1National Semiconductor Corporation · 2004
- Brushless, separately-excited, variable-speed motor and AC generator/alternator with solenoid-wound, biphase AC rotor30US 6,252,331 B12001