H02K 16/02
Machines with one stator and two or more rotors
Official title: Machines with one stator and two {or more} rotors
H02K16/02 (Machines with one stator and two or more rotors) appears on 873 US grants and 988 published applications in this corpus.
Search patents in H02K- Granted patents
- 873
- Published applications
- 988
- Assignees
- 433
- Inventors
- 1,710
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 10 | 0 |
| 1998 | 13 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 10 | 4 |
| 2002 | 13 | 16 |
| 2003 | 8 | 14 |
| 2004 | 12 | 28 |
| 2005 | 17 | 20 |
| 2006 | 24 | 25 |
| 2007 | 10 | 23 |
| 2008 | 13 | 25 |
| 2009 | 20 | 29 |
| 2010 | 21 | 38 |
| 2011 | 20 | 25 |
| 2012 | 21 | 26 |
| 2013 | 23 | 43 |
| 2014 | 28 | 36 |
| 2015 | 27 | 51 |
| 2016 | 31 | 32 |
| 2017 | 36 | 51 |
| 2018 | 41 | 52 |
| 2019 | 51 | 65 |
| 2020 | 57 | 67 |
| 2021 | 65 | 57 |
| 2022 | 50 | 79 |
| 2023 | 56 | 74 |
| 2024 | 60 | 50 |
| 2025 | 56 | 38 |
| 2026 | 26 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Axial flux electric motor with rotor cooling29 Sep 2026US 12,749,935 B2GM Global Technology Operations LLC
- Motor assembly for an appliance such as a vacuum cleaner and a vacuum cleaner having same15 Sep 2026US 12,736,058 B2Omachron Intellectual Property Inc.
- Electric machine15 Sep 2026US 12,738,823 B2
- Composite rotors and methods of making composite rotors1 Sep 2026US 12,726,095 B2Hamilton Sundstrand Corporation
- Multi-coil voice coil motor and systems for providing haptic feedback18 Aug 2026US 12,712,422 B2Valve Corporation
- Driving device and blood pump10 Sep 2026US 2026/0269681 A1Shenzhen Core Medical Technology Co., Ltd.
- An air-core-stator electric machine with superconducting circuits and shielding3 Sep 2026US 2026/0261190 A1Air Force Research Laboratory
- Stator, radial flux double-rotor machine and method of manufacture13 Aug 2026US 2026/0238066 A1DeepDrive GmbH
- Coaxial multi-dof single motor with its topology and structure design method13 Aug 2026US 2026/0238100 A1Zhejiang University Advanced Electrical Equipment Innovation Center
- Electric machine, method for producing a mechanical magnetic-field-attenuating mechanism, mechanical magnetic-field-attenuating mechanism, and kit of parts6 Aug 2026US 2026/0229975 A1Schaeffler Technologies AG & Co. KG
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
- Hybrid electric propulsion system164US 5,172,784 A1992
- Magnetic drive devices, and related systems and methods157US 10,008,912 B2National Oilwell Varco, L. P. · 2018
- Motor with cooling structure115US 6,114,784 ANissan Motor Co., Ltd. · 2000