H02K 41/031
Of the permanent magnet type
Official title: {of the permanent magnet type}
H02K41/031 (Of the permanent magnet type) appears on 1,529 US grants and 1,624 published applications in this corpus.
Search patents in H02K- Granted patents
- 1,529
- Published applications
- 1,624
- Assignees
- 677
- Inventors
- 2,690
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 9 | 0 |
| 1986 | 7 | 0 |
| 1987 | 14 | 0 |
| 1988 | 12 | 0 |
| 1989 | 13 | 0 |
| 1990 | 9 | 0 |
| 1991 | 13 | 0 |
| 1992 | 9 | 0 |
| 1993 | 14 | 0 |
| 1994 | 12 | 0 |
| 1995 | 8 | 0 |
| 1996 | 8 | 0 |
| 1997 | 29 | 0 |
| 1998 | 19 | 0 |
| 1999 | 19 | 0 |
| 2000 | 17 | 0 |
| 2001 | 12 | 6 |
| 2002 | 18 | 28 |
| 2003 | 24 | 26 |
| 2004 | 39 | 32 |
| 2005 | 31 | 31 |
| 2006 | 13 | 35 |
| 2007 | 20 | 20 |
| 2008 | 23 | 47 |
| 2009 | 20 | 39 |
| 2010 | 29 | 38 |
| 2011 | 34 | 40 |
| 2012 | 19 | 52 |
| 2013 | 39 | 63 |
| 2014 | 44 | 66 |
| 2015 | 40 | 76 |
| 2016 | 52 | 72 |
| 2017 | 72 | 93 |
| 2018 | 72 | 111 |
| 2019 | 95 | 99 |
| 2020 | 106 | 120 |
| 2021 | 85 | 109 |
| 2022 | 98 | 101 |
| 2023 | 82 | 96 |
| 2024 | 90 | 85 |
| 2025 | 95 | 85 |
| 2026 | 45 | 54 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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
- Transport device and method for operating a transport device29 Sep 2026US 12,749,960 B2ABB Schweiz AG
- Linear motor driving means for acoustic emitters22 Sep 2026US 12,742,898 B2Akitemos Solutions AB
- Transfer apparatus15 Sep 2026US 12,735,278 B2Semes Co., Ltd.
- Object Loading Facility1 Oct 2026US 2026/0296808 A1LG Energy Solution, Ltd.
- Linear motor module and linear conveyance system1 Oct 2026US 2026/0302897 A1Thk Co., Ltd.
- Stators, stator devices, and attachment of cover to stator for displacement systems24 Sep 2026US 2026/0291356 A1Planar Motor Incorporated
- Method for operating a linear transport system and linear transport system17 Sep 2026US 2026/0274595 A1Beckhoff Automation GmbH
- Linear conveyor device and method for controlling linear conveyor device10 Sep 2026US 2026/0269758 A1Yamaha Hatsudoki Kabushiki Kaisha
Most cited
By later US patents
- Air gap control systems and methods405US 10,193,429 B2Boulder Wind Power, Inc. · 2019
- Surgically implantable pump arrangement and method for pumping body fluids286US 5,676,651 AElectric Boat Corporation · 1997
- Implantable device monitoring arrangement and method263US 5,879,375 AElectric Boat Corporation · 1999
- Reciprocating pump circulatory assist arrangement219US 5,722,930 AElectric Boat Corporation · 1998
- Magnetic positioning device204US 5,196,745 AMassachusetts Institute of Technology · 1993