H02P 9/18
The switching being caused by a servomotor, measuring instrument, or relay
Official title: the switching being caused by a servomotor, measuring instrument, or relay
H02P9/18 (The switching being caused by a servomotor, measuring instrument, or relay) appears on 5 US grants and 4 published applications in this corpus.
Search patents in H02P- Granted patents
- 5
- Published applications
- 4
- Assignees
- 4
- Inventors
- 6
- Latest grant
- 5 Nov 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 2 | 0 |
By publication year.
Recent patents
- Electronically commutated motor with correction of sensed rotation-direction signal5 Nov 2013US 8,575,874 B2ebm-Papst St.Georgen GmbH & Co. KG
- Method for sensorless operation of an ECM, and motor for carrying out22 Oct 2013US 8,564,231 B2ebm-Papst St.Georgen GmbH & Co. KG
- Method for sensorless operation of an electronically commutated motor and motor for carrying out such a method15 Nov 2011US 8,058,825 B2ebm-Papst St.Georgen GmbH & Co. KG
- Permanent-magnet generator with high-power output14 Aug 2007US 7,256,567 B2Fuji Cera-Tech Co., Ltd.
- Position sensorless motor control apparatus8 Oct 2002US 6,462,491 B1Matsushita Electric Industrial Co., Ltd.
- Method for sensorless operation of an ecm, and motor for carrying out24 May 2012US 2012/0126729 A1ebm-Papst St.Georgen GmbH & Co. KG
- Method for sensorless operation of an ecm, and motor for carrying out24 May 2012US 2012/0126730 A1ebm-Papst St.Georgen GmbH & Co. KG
- Permanent-magnet generator with high-power output7 Dec 2006US 2006/0273766 A1Fuji Cera-Tech Co., Ltd.
- Method for sensorless operation of an electronically commutated motor and motor for carrying out such a method17 Nov 2005US 2005/0253546 A1ebu-papst St. Georgen GmbH & Co. KG
Most cited
By later US patents
- Position sensorless motor control apparatus87US 6,462,491 B1Matsushita Electric Industrial Co., Ltd. · 2002
- Method for sensorless operation of an electronically commutated motor and motor for carrying out such a method11US 8,058,825 B2ebm-Papst St.Georgen GmbH & Co. KG · 2011
- Permanent-magnet generator with high-power output5US 7,256,567 B2Fuji Cera-Tech Co., Ltd. · 2007
- Electronically commutated motor with correction of sensed rotation-direction signal1US 8,575,874 B2ebm-Papst St.Georgen GmbH & Co. KG · 2013