H02P 7/245
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}
H02P7/245 (Whereby the speed is regulated by measuring the motor speed and comparing) appears on 7 US grants and 9 published applications in this corpus.
Search patents in H02P- Granted patents
- 7
- Published applications
- 9
- Assignees
- 13
- Inventors
- 22
- Latest grant
- 8 Sep 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Closed control device for DC brush motor, control system, and control method8 Sep 2020US 10,770,995 B2Kabushiki Kaisha Toshiba
- Arrangement and method for detecting an electrical line interruption during operation of a drive system2 Jun 2020US 10,670,658 B2Conti Temic microelectronic GmbH
- Electric power tool4 Feb 2020US 10,549,396 B2Koki Holdings Co., Ltd.
- Magnetizing motor and magnetizing method thereof29 Sep 2009US 7,595,598 B2LG Electronics Inc.
- Power window apparatus with function of pinching detection21 Aug 2007US 7,259,532 B2Alps Electric Co., Ltd.
- Closed control device for dc brush motor, control system, and control method19 Sep 2019US 2019/0288622 A1Kabushiki Kaisha Toshiba
- Arrangement and method for detecting an electrical line interruption during operation of a drive system1 Nov 2018US 2018/0313897 A1Conti Temic microelectronic GmbH
- Method and device to regulate the electric motor of a handheld power tool13 Aug 2015US 2015/0229256 A1Hilti Aktiengesellschaft
- Electric power tool4 Dec 2014US 2014/0352995 A1Hitachi Koki Co., Ltd.
- Apparatus and Method for Controlling Motor Speed13 Feb 2014US 2014/0046487 A1Samsung Electro-Mechanics Co., Ltd.
Most cited
By later US patents
- Speed regulating circuit for motor of power coping saw8US 5,901,269 A1999
- Electric power tool7US 10,549,396 B2Koki Holdings Co., Ltd. · 2020
- Power window apparatus with function of pinching detection7US 7,259,532 B2Alps Electric Co., Ltd. · 2007
- Process and circuit arrangement for determining the speed of a D.C. motor without a speedsensor3US 6,127,820 ARobert Bosch GmbH · 2000