H02P 7/2985
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}
H02P7/2985 (Whereby the speed is regulated by measuring the motor speed and comparing) appears on 47 US grants and 7 published applications in this corpus.
Search patents in H02P- Granted patents
- 47
- Published applications
- 7
- Assignees
- 35
- Inventors
- 86
- Latest grant
- 16 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Command generation device and command generation method16 May 2023US 11,652,435 B2Nidec Corporation
- Motor control device with built-in current sensing resistor and power transistor22 Jun 2021US 11,043,911 B2ICP Technology Co., Ltd.
- Method and system for feedback-controlling16 Apr 2019US 10,263,548 B2Hyundai Motor Company
- DC motor control device and game machine5 Jun 2018US 9,991,831 B2OMRON Corporation
- Container with power assist wheels26 Dec 2017US 9,849,901 B2
- Command generation device and command generation method25 Nov 2021US 2021/0367547 A1Nidec Corporation
- Motor Control Device with Built-in Current Sensing Resistor and Power Transistor11 Jun 2020US 2020/0186067 A1ICP Technology Co., Ltd.
- Method and System for Feedback-Controlling7 Mar 2019US 2019/0074785 A1Hyundai Motor Company
- Dc motor control device and game machine28 Sep 2017US 2017/0279388 A1OMRON Corporation
- Container with power assist wheels11 Aug 2016US 2016/0229437 A1
Most cited
By later US patents
- Container with power assist wheels69US 9,849,901 B22017
- D. C. motor control system30US 4,019,107 AReliance Electric Company · 1977
- D.C. motor control28US 4,079,301 AGeneral Electric Company · 1978
- Direct current motor speed control apparatus27US 3,950,684 AWestinghouse Electric Corp. · 1976
- Traction motor optimizing system for forklift vehicles26US 5,039,924 AThe Raymond Corporation · 1991