H02K 7/12
With auxiliary limited movement of stators, rotors or core parts
Official title: with auxiliary limited movement of stators, rotors or core parts, e.g. rotors axially movable for the purpose of clutching or braking
H02K7/12 (With auxiliary limited movement of stators, rotors or core parts) appears on 209 US grants and 195 published applications in this corpus.
Search patents in H02K- Granted patents
- 209
- Published applications
- 195
- Assignees
- 153
- Inventors
- 507
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 8 |
| 2003 | 8 | 6 |
| 2004 | 7 | 7 |
| 2005 | 5 | 5 |
| 2006 | 7 | 7 |
| 2007 | 4 | 7 |
| 2008 | 3 | 6 |
| 2009 | 3 | 13 |
| 2010 | 9 | 6 |
| 2011 | 8 | 2 |
| 2012 | 3 | 5 |
| 2013 | 5 | 2 |
| 2014 | 1 | 6 |
| 2015 | 5 | 5 |
| 2016 | 3 | 0 |
| 2017 | 2 | 7 |
| 2018 | 3 | 15 |
| 2019 | 10 | 13 |
| 2020 | 10 | 15 |
| 2021 | 14 | 14 |
| 2022 | 11 | 6 |
| 2023 | 9 | 11 |
| 2024 | 5 | 13 |
| 2025 | 14 | 6 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- EMA droop function and stops protection management13 Jan 2026US 12,525,849 B2Goodrich Actuation Systems Limited
- Systems and methods for vertical takeoff and landing vehicle with stator stabilization6 Jan 2026US 12,515,790 B2MagLev Aero Inc.
- Vibration motor with damping glue between elastic arms and metal plates in viberator23 Dec 2025US 12,506,392 B2AAC Microtech (Changzhou) Co., Ltd.
- Multi-bar linkage electric drive system2 Dec 2025US 12,489,350 B2Indigo Technologies, Inc.
- Clutch-equipped motor and electric chain block25 Nov 2025US 12,483,092 B2Kito Corporation
- Motor1 Oct 2026US 2026/0302883 A1LG Innotek Co., Ltd.
- Motor unit and electric working machine24 Sep 2026US 2026/0291330 A1Makita Corporation
- Method for unlocking a rotor shaft, which strikes and is clamped against a form-fitting element of a locking actuator in a load-related manner, of an electric motor without restriction, computer program, computer program product, system and vehicle17 Sep 2026US 2026/0280383 A1Schaeffler Technologies AG & Co. KG
- Systems and methods for vertical takeoff and landing vehicle with stator stabilization10 Sep 2026US 2026/0264849 A1MagLev Aero Inc.
- Brake assembly for motors10 Sep 2026US 2026/0269683 A1Neuromeka
Most cited
By later US patents
- Brushless permanent magnet motor/generator with axial rotor decoupling to eliminate magnet induced torque losses80US 7,863,789 B2Dura-Trac Motors, Inc. · 2011
- Friction braking system and apparatus for appliance induction motor drive59US 4,734,604 ACuisinarts, Inc. · 1988
- Dual-motion apparatus58US 5,045,741 ABattelle Memorial Institute · 1991
- High speed precision drilling system56US 4,761,876 ADynamotion Corporation · 1988
- Line dispensing device with eddy current braking for use with climbing and evacuation53US 8,490,751 B2Holmes Solutions Limited · 2013