H02K 41/02
Linear motors
Official title: Linear motors; Sectional motors
H02K41/02 (Linear motors) appears on 4,760 US grants and 4,548 published applications in this corpus.
Search patents in H02K- Granted patents
- 4,760
- Published applications
- 4,548
- Assignees
- 1,533
- Inventors
- 6,842
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 16 | 0 |
| 1978 | 19 | 0 |
| 1979 | 11 | 0 |
| 1980 | 21 | 0 |
| 1981 | 29 | 0 |
| 1982 | 19 | 0 |
| 1983 | 19 | 0 |
| 1984 | 17 | 0 |
| 1985 | 34 | 0 |
| 1986 | 35 | 0 |
| 1987 | 56 | 0 |
| 1988 | 46 | 0 |
| 1989 | 51 | 0 |
| 1990 | 28 | 0 |
| 1991 | 36 | 0 |
| 1992 | 58 | 0 |
| 1993 | 52 | 0 |
| 1994 | 59 | 0 |
| 1995 | 38 | 0 |
| 1996 | 35 | 0 |
| 1997 | 68 | 0 |
| 1998 | 91 | 0 |
| 1999 | 79 | 0 |
| 2000 | 70 | 0 |
| 2001 | 67 | 28 |
| 2002 | 56 | 93 |
| 2003 | 75 | 79 |
| 2004 | 112 | 119 |
| 2005 | 98 | 114 |
| 2006 | 68 | 110 |
| 2007 | 64 | 104 |
| 2008 | 77 | 150 |
| 2009 | 81 | 149 |
| 2010 | 125 | 163 |
| 2011 | 146 | 144 |
| 2012 | 106 | 147 |
| 2013 | 122 | 151 |
| 2014 | 110 | 137 |
| 2015 | 91 | 172 |
| 2016 | 129 | 180 |
| 2017 | 169 | 215 |
| 2018 | 182 | 251 |
| 2019 | 210 | 286 |
| 2020 | 249 | 336 |
| 2021 | 249 | 296 |
| 2022 | 284 | 274 |
| 2023 | 250 | 271 |
| 2024 | 256 | 247 |
| 2025 | 246 | 190 |
| 2026 | 135 | 142 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Transportation system6 Oct 2026US 12,752,633 B2
- Steering gears with electric steering assist systems and related methods6 Oct 2026US 12,752,835 B2Ford Global Technologies, LLC
- Steering control device29 Sep 2026US 12,746,965 B2Hl Mando Corporation
- Armature and driving device29 Sep 2026US 12,749,939 B2Sumitomo Heavy Industries, Ltd.
- Transport device and method for operating a transport device29 Sep 2026US 12,749,960 B2ABB Schweiz AG
- Object Loading Facility1 Oct 2026US 2026/0296808 A1LG Energy Solution, Ltd.
- Lens driving device, camera module, and optical instrument1 Oct 2026US 2026/0299250 A1LG Innotek Co., Ltd.
- Camera actuator and camera module including same1 Oct 2026US 2026/0299373 A1LG Innotek Co., Ltd.
- Linear motor module and linear conveyance system1 Oct 2026US 2026/0302897 A1Thk Co., Ltd.
- Lens driving device, camera module, and optical device24 Sep 2026US 2026/0287975 A1LG Innotek Co., Ltd.
Most cited
By later US patents
- Rotary and linear motor1,441US 6,429,611 B12002
- Linear stepper motor1,022US 6,756,705 B2Tri-Tech, Inc. · 2004
- Hall-effect based linear motor controller1,018US 8,084,969 B2Allegro MicroSystems, LLC · 2011
- Air gap control systems and methods405US 10,193,429 B2Boulder Wind Power, Inc. · 2019
- Method of implanting blood pump in ascending aorta or main pulmonary artery399US 5,290,227 A1994