H02K 25/00
Dc interrupter motors or generators
Official title: DC interrupter motors or generators
H02K25/00 (Dc interrupter motors or generators) appears on 80 US grants and 21 published applications in this corpus.
Search patents in H02K- Granted patents
- 80
- Published applications
- 21
- Assignees
- 33
- Inventors
- 101
- Latest grant
- 15 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 1 |
| 2006 | 3 | 3 |
| 2007 | 1 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 4 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Tri-motor15 Oct 2024US 12,119,720 B2Pure Energy Corporation
- Electromagnetic rotary motor20 Oct 2020US 10,811,943 B2
- Magnetic kinetic propulsion motor apparatus and method12 Jun 2018US 9,997,979 B1
- Pulley electric motor13 Jun 2017US 9,680,361 B2
- Brushed direct current electric motor with salient pole rotor4 Aug 2015US 9,099,909 B2Johnson Electric S. A.
- Tri-motor23 Mar 2023US 2023/0089844 A1Pure Energy Corporation
- Direct drive for rollers, rolls and winches in the steel / non-ferrous industries6 May 2021US 2021/0129198 A1SMS group GmbH
- Electromagnetic Rotary Motor6 Jun 2019US 2019/0173361 A1
- Low-energy-consumption and high-efficiency circulating electric motor21 Mar 2019US 2019/0089236 A1
- Electromagnetic Rotary Motor7 Jun 2018US 2018/0159406 A1
Most cited
By later US patents
- Method of manufacturing rare earth permanent magnet rotor99US 3,979,821 AKollmorgen Corporation · 1976
- Permanent magnet motor91US 4,358,693 A1982
- Magnetic rotating apparatus76US 5,594,289 A1997
- Independent-drive wheel for a wheel-mounted vehicle64US 5,164,623 A1992
- Dynamoelectric machine with inner and outer stators56US 4,114,057 A1978