H02K 16/025
With rotors and moving stators connected in a cascade
Official title: {with rotors and moving stators connected in a cascade (cascade arrangement of an asynchronous motor with another dynamo-electric motor or converter H02K17/34)}
H02K16/025 (With rotors and moving stators connected in a cascade) appears on 65 US grants and 59 published applications in this corpus.
Search patents in H02K- Granted patents
- 65
- Published applications
- 59
- Assignees
- 49
- Inventors
- 128
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 2 | 0 |
| 2012 | 1 | 5 |
| 2013 | 1 | 1 |
| 2014 | 3 | 5 |
| 2015 | 3 | 2 |
| 2016 | 4 | 0 |
| 2017 | 3 | 1 |
| 2018 | 2 | 2 |
| 2019 | 3 | 4 |
| 2020 | 1 | 6 |
| 2021 | 6 | 4 |
| 2022 | 4 | 6 |
| 2023 | 5 | 3 |
| 2024 | 3 | 4 |
| 2025 | 3 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Motor assembly for an appliance such as a vacuum cleaner and a vacuum cleaner having same25 Sep 2025US 2025/0297613 A1Omachron Intellectual Property Inc.
- Magnetic flux modulated type magnetic gear26 Dec 2024US 2024/0429805 A1Mitsubishi Electric Corporation
- Dual-rotor electrical machines26 Sep 2024US 2024/0322661 A1Advanced Magnet Lab, Inc.
- Power generation system and controller for power generation system14 Mar 2024US 2024/0084893 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Torque compensated electric motor1,230US 4,373,147 AGeneral Signal Corporation · 1983
- Series redundant drive system1,219US 3,950,686 ATRW Inc. · 1976
- Variable speed constant frequency generating system77US 4,625,160 ASundstrand Corporation · 1986
- Induction motor and method of adjusting power factor of the same28US 5,723,928 AToyoda Koki Kabushiki Kaisha · 1998
- Reluctance motor with gearless step-down without electronic control of rotating field24US 6,700,272 B1EMF 97 Elektro-Maschinen-Vertrieb-Magnettechnik-und Forschungs-GmbH · 2004