H02K 37/04
With rotors situated within the stators
Official title: with rotors situated within the stators
H02K37/04 (With rotors situated within the stators) appears on 101 US grants and 75 published applications in this corpus.
Search patents in H02K- Granted patents
- 101
- Published applications
- 75
- Assignees
- 75
- Inventors
- 200
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 2 |
| 2004 | 4 | 4 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 3 |
| 2010 | 3 | 2 |
| 2011 | 2 | 3 |
| 2012 | 0 | 4 |
| 2013 | 3 | 1 |
| 2014 | 1 | 3 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 4 |
| 2018 | 3 | 6 |
| 2019 | 2 | 4 |
| 2020 | 4 | 16 |
| 2021 | 5 | 4 |
| 2022 | 10 | 7 |
| 2023 | 4 | 3 |
| 2024 | 5 | 1 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Eight-stator-pole, bipolar, 3.6-° hybrid step motor27 Jan 2026US 12,537,398 B2Lin Engineering, Inc.
- 4-stator-pole step motor with passive inter-poles7 Oct 2025US 12,438,429 B2Lin Engineering, Inc.
- Motor control device11 Mar 2025US 12,249,936 B2Oriental Motor Co., Ltd.
- Motor vehicle lock11 Jun 2024US 12,006,740 B2Brose Schliesssysteme GmbH & Co. Kommanditgesellschaft
- Injection molding stepping motor26 Mar 2024US 11,942,821 B2Shanghai Moons' Electric Co., Ltd.
- Eight-stator-pole, bipolar, 3.6-degree hybrid step motor8 Aug 2024US 2024/0266888 A1Lin Engineering, Inc.
- 4-stator-pole step motor with passive inter-poles29 Jun 2023US 2023/0208267 A1Lin Engineering, Inc.
- Stepping motor8 Jun 2023US 2023/0179072 A1Oriental Motor Co., Ltd.
- Motor control device1 Jun 2023US 2023/0170832 A1Oriental Motor Co., Ltd.
- Motor24 Nov 2022US 2022/0376567 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Variable reluctance motor57US 4,990,809 AThe Superior Electric Company · 1991
- Motor with reduced torque ripple48US 6,285,104 B1Okuma Corporation · 2001
- Fully integrated magnetic micromotors and methods for their fabrication38US 5,710,466 AGeorgia Tech Research Corporation · 1998
- Electric machine for high magnetic reversal frequencies37US 7,385,329 B22008
- Inline motor iron and windings36US 3,950,663 A1976