H02K 37/08
With rotors axially facing the stators
Official title: with rotors axially facing the stators
H02K37/08 (With rotors axially facing the stators) appears on 25 US grants and 12 published applications in this corpus.
Search patents in H02K- Granted patents
- 25
- Published applications
- 12
- Assignees
- 17
- Inventors
- 43
- Latest grant
- 14 Feb 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 3 |
| 2021 | 1 | 0 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Electric propulsion system14 Feb 2023US 11,581,782 B2Hamilton Sundstrand Corporation
- Hybrid stepper motor utilizing axial coils for adjusting the magnetic field of the rotor27 Sep 2022US 11,456,653 B2GHSP, Inc.
- Hybrid rotor for an axial flux electrical machine28 Jun 2022US 11,374,447 B2Rolls-Royce Deutschland Ltd & Co KG
- Stack-type stator using multi-layer substrate, slim motor using same, and blower for air purification system3 Aug 2021US 11,081,914 B2Amotech Co., Ltd.
- Stator of planar type motor, and planar type motor using same2 Jul 2019US 10,340,753 B2Korea Electronics Technology Institute
- Multi plate reluctance motor22 Aug 2024US 2024/0283324 A1Eltorque AS
- Dual rotor electric machine6 Jan 2022US 2022/0003128 A1General Electric Company
- Hybrid stepper motor utilizing axial coils for adjusting the magnetic field of the rotor1 Oct 2020US 2020/0313533 A1GHSP, Inc.
- Hybrid rotor for an axial flux electrical machine23 Jul 2020US 2020/0235618 A1Rolls-Royce Deutschland Ltd & Co KG
- Electric propulsion system18 Jun 2020US 2020/0195089 A1Hamilton Sundstrand Corporation
Most cited
By later US patents
- Planar micro-motor with bifilar micro-coils37US 5,646,464 AFord Motor Company · 1997
- Planar micro-motor and method of fabrication29US 5,412,265 AFord Motor Company · 1995
- Polyphase variable reluctance motor25US 4,864,169 ACentre National De La Recherche Scientifique · 1989
- High performance stepper motor22US 4,288,709 AExxon Research & Engineering Co. · 1981
- Analog display device with micro-motor drive means22US 5,592,037 AFord Motor Company · 1997