H02K 1/2766
Having a flux concentration effect
Official title: {having a flux concentration effect}
H02K1/2766 (Having a flux concentration effect) appears on 1,671 US grants and 2,200 published applications in this corpus.
Search patents in H02K- Granted patents
- 1,671
- Published applications
- 2,200
- Assignees
- 490
- Inventors
- 3,217
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 8 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 8 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 12 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 4 |
| 2002 | 16 | 23 |
| 2003 | 14 | 25 |
| 2004 | 24 | 17 |
| 2005 | 20 | 16 |
| 2006 | 10 | 20 |
| 2007 | 7 | 29 |
| 2008 | 16 | 22 |
| 2009 | 20 | 32 |
| 2010 | 28 | 50 |
| 2011 | 38 | 53 |
| 2012 | 25 | 75 |
| 2013 | 37 | 117 |
| 2014 | 55 | 123 |
| 2015 | 72 | 111 |
| 2016 | 81 | 106 |
| 2017 | 98 | 100 |
| 2018 | 92 | 137 |
| 2019 | 112 | 147 |
| 2020 | 138 | 168 |
| 2021 | 105 | 126 |
| 2022 | 129 | 176 |
| 2023 | 114 | 154 |
| 2024 | 123 | 162 |
| 2025 | 103 | 114 |
| 2026 | 83 | 93 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rotor apparatus for an electric machine6 Oct 2026US 12,756,251 B2Jaguar Land Rover Limited
- Stator lamination, stator structure, motor structure, and laundry treatment apparatus22 Sep 2026US 12,744,416 B2Foshan Welling Washer Motor Manufacturing Co., Ltd.
- Rotor core, rotor, and rotary electric machine8 Sep 2026US 12,732,038 B2Nippon Steel Corporation
- Dynamoelectric rotary machine8 Sep 2026US 12,732,039 B2Siemens Aktiengesellschaft
- Motor8 Sep 2026US 12,732,042 B2Samsung Electronics Co., Ltd.
- Permanent magnet rotor8 Oct 2026US 2026/0312447 A1ABB Schweiz AG
- Rotor, motor, and electronic device8 Oct 2026US 2026/0312448 A1MINEBEA MITSUMI Inc.
- Rotor for rotary electric machine1 Oct 2026US 2026/0302854 A1Aisin Corporation
- Rotating electrical machine1 Oct 2026US 2026/0302855 A1Kabushiki Kaisha Toyota Jidoshokki
- Rotor structure and motor1 Oct 2026US 2026/0302856 A1Gree Electric Appliances, Inc. of Zhuhai
Most cited
By later US patents
- Hybrid alternator213US 5,747,909 AEcoair Corp. · 1998
- Permanent magnet field-type rotating machine128US 5,684,352 AHitachi Metals, Ltd. · 1997
- Motor having flux-concentrating permanent magnets120US 5,091,668 AGEC Alsthom SA · 1992
- Electronically commutated motor, stationary and rotatable assemblies therefore, and lamination118US 4,327,302 AGeneral Electric Company · 1982
- Permanent magnet reluctance motor with embedded permanent magnet holes115US 6,794,784 B2Kabushiki Kaisha Toshiba · 2004