H02K 23/10
Having compound connection of excitation windings
Official title: having compound connection of excitation windings
H02K23/10 (Having compound connection of excitation windings) appears on 6 US grants and 6 published applications in this corpus.
Search patents in H02K- Granted patents
- 6
- Published applications
- 6
- Assignees
- 3
- Inventors
- 7
- Latest grant
- 7 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Control circuit for plural partially interlocked commutator type motors with oscillation damping characteristics17 Sep 1996US 5,557,179 A
- Lap-wound stator with adjustable commutating angle6 Jul 1993US 5,225,729 A
- Shunt Series Wound Direct Current (DC) Motor Driving Device and Equipment27 Jan 2022US 2022/0029565 A1University of Shanghai for Science and Technology
- Direct current motor8 Jul 2021US 2021/0210997 A1University of Shanghai for Science and Technology
- Starter18 Sep 2014US 2014/0265680 A1Remy Technologies, L.L.C.
- Variable flux electric starter machine having dual fields and method of operating the same14 Nov 2013US 2013/0300129 A1Remy Technologies, L.L.C.
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Most cited
By later US patents
- Variable flux electric starter motor and method of operating the same15US 9,444,306 B2Remy Technologies, L.L.C. · 2016
- Lap-wound stator with adjustable commutating angle3US 5,225,729 A1993
- Compound D.C. electrical motor with shunt field demagnetization protection2US 4,080,556 ACaterpillar Tractor Co. · 1978
- Control circuit for plural partially interlocked commutator type motors with oscillation damping characteristics2US 5,557,179 A1996