H02K 23/60
Motors or generators having rotating armatures and rotating excitation field
Official title: Motors or generators having rotating armatures and rotating excitation field
H02K23/60 (Motors or generators having rotating armatures and rotating excitation field) appears on 20 US grants and 12 published applications in this corpus.
Search patents in H02K- Granted patents
- 20
- Published applications
- 12
- Assignees
- 6
- Inventors
- 20
- Latest grant
- 2 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 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 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 2 | 2 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 2 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Counter-rotating differential electric motor assembly2 Jul 2024US 12,027,950 B2Cr Flight L.L.C.
- Dynamic electrical generator and its associated method of operation14 Sep 2021US 11,121,613 B2
- High current and RPM-capable slip ring assembly2 Mar 2021US 10,938,172 B2Cr Flight L.L.C.
- Electrical induction motor with reconfigured rotor mounted commutators for receiving an armature current from a stator mounted brush component along with a reversing gear arrangement for driving a pair of opposite gear rings27 Feb 2018US 9,906,105 B1Maestra Energy, LLC
- Electrical generator or motor with variable coil winding patterns exhibiting multiple wires incorporated into a plurality coil configurations defined around a rotor and incorporating a gearbox arrangement exhibiting oppositely driven rotor and stator gears configured with multi-tiered reversing gears exhibiting both straight and helical patterns and for varying turning ratios for establishing either of acceleration or deceleration aspects for increased power output27 Feb 2018US 9,906,106 B1Maestra Energy, LLC
- Counter-rotating differential electric motor assembly slip ring assembly31 Jul 2025US 2025/0246968 A1Cr Flight L.L.C.
- Counter-rotating differential electric motor assembly28 Jul 2022US 2022/0239187 A1Cr Flight L.L.C.
- Counter-rotating differential electric motor assembly slip ring assembly28 Jul 2022US 2022/0239201 A1Cr Flight L.L.C.
- High current and rpm-capable slip ring assembly17 Oct 2019US 2019/0319415 A1Cr Flight L.L.C.
- Electrical induction motor having oppositely rotating rotor and stator components and including planetary arranged and counter-rotating cog gears with sprag clutch bearings for ensuring unidirectional rotation of the gears22 Nov 2018US 2018/0337581 A1Maestra Energy, LLC
Most cited
By later US patents