H02P 8/42
Arrangements for controlling dynamo-electric motors rotating step by step: characterised by non-stepper
Official title: characterised by non-stepper motors being operated step by step
H02P8/42 (Arrangements for controlling dynamo-electric motors rotating step by step: characterised by non-stepper) appears on 30 US grants and 23 published applications in this corpus.
Search patents in H02P- Granted patents
- 30
- Published applications
- 23
- Assignees
- 28
- Inventors
- 57
- Latest grant
- 18 May 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 2 | 1 |
| 2006 | 3 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 0 | 1 |
| 2011 | 3 | 3 |
| 2012 | 2 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 3 | 3 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Control device of motor, control system, and control method18 May 2021US 11,012,013 B2Kabushiki Kaisha Toshiba
- Actuator with integrated position sensor and play compensation2 Jun 2020US 10,673,361 B2Societe Industrielle de Sonceboz S.A.
- Motor module, motor step operation control system, and motor control device10 Dec 2019US 10,505,478 B2Nidec Corporation
- Axial brushless DC motor with fractional and hold step function22 Oct 2019US 10,454,403 B2CTS Corporation
- Image-based auto-iris11 Jun 2019US 10,321,068 B2The United States of America as represented by the Secretary of the Navy
- Adjusting Device, Motor-Driven Valve and Method for Operating an Adjusting Device17 Nov 2022US 2022/0368254 A1Oblamatik AG
- Control device of motor, control system, and control method19 Mar 2020US 2020/0091846 A1Kabushiki Kaisha Toshiba
- Motor module, motor step operation control system, and motor control device18 Jul 2019US 2019/0222152 A1Nidec Corporation
- Actuator with integrated position sensor and play compensation9 May 2019US 2019/0140568 A1Societe Industrielle de Sonceboz S.A.
- Image-Based Auto-Iris14 Mar 2019US 2019/0082087 A1The United States of America as represented by the Secretary of the Navy
Most cited
By later US patents
- Stepping motor exciting system58US 4,477,756 AFuji Xerox Co., Ltd. · 1984
- Brushless DC motor control28US 7,053,583 B1Delphi Technologies, Inc. · 2006
- Control apparatus for position control motor25US 6,121,744 AOriental Motor Co., Ltd. · 2000
- Brushless DC motor control system responsive to control signals generated by a computer or the like24US 4,692,674 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1987
- Method and apparatus for controlling a servo motor using a stepper motor controller integrated circuit21US 5,936,371 ALexmark International, Inc. · 1999