H02K 29/14
Motors or generators having non-mechanical commutating devices: with speed sensing devices
Official title: with speed sensing devices (H02K29/03 takes precedence)
H02K29/14 (Motors or generators having non-mechanical commutating devices: with speed sensing devices) appears on 96 US grants and 24 published applications in this corpus.
Search patents in H02K- Granted patents
- 96
- Published applications
- 24
- Assignees
- 65
- Inventors
- 168
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 9 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 3 |
| 2006 | 1 | 2 |
| 2007 | 3 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 3 | 1 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 2 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Methods and apparatus to control engine speed of a power system18 Feb 2025US 12,231,010 B2Illinois Tool Works Inc.
- Electric motor and method for evaluating the vibration state of an electric motor17 Sep 2024US 12,095,321 B2Ziehl-Abegg SE
- Methods and apparatus to control engine speed of a power system19 Dec 2023US 11,848,592 B2Illinois Tool Works Inc.
- Brushless DC motor having drive circuit generating superimposed signal8 Mar 2022US 11,271,498 B2Nidec Corporation
- Power tool having first elastic member and second elastic member accommodated in first gear7 Jul 2020US 10,702,932 B2Koki Holdings Co., Ltd.
- Methods and apparatus to control engine speed of a power system21 Mar 2024US 2024/0097543 A1Illinois Tool Works Inc.
- Electric motor and method for evaluating the vibration state of an electric motor23 Sep 2021US 2021/0296977 A1Ziehl-Abegg SE
- Brushless dc motor, and identification method and identification device for identifying type of brushless dc motor4 Jun 2020US 2020/0177115 A1Nidec Corporation
- Methods and apparatus to control engine speed of a power system23 Jan 2020US 2020/0028425 A1Illinois Tool Works Inc.
- Assembly structure of sensor, electric motor, and electric power steering device15 Aug 2019US 2019/0248406 A1Nsk Ltd.
Most cited
By later US patents
- Methods and apparatus for increasing power of permanent magnet motors1,432US 6,777,838 B22004
- Integrated driver-encoder assembly for brushless motor87US 4,988,905 APitney Bowes Inc. · 1991
- Printed coil unit for small size actuator77US 4,658,162 AAsahi Kasei Kogyo Kabushiki Kaisha · 1987
- Inertia wheel63US 4,211,452 ASociete Nationale Industrielle Aerospatiale · 1980
- Auxiliary magnetic motor (AMM)58US 5,581,136 A1996