H02K 37/125
Magnet axially facing armature
Official title: {Magnet axially facing armature}
H02K37/125 (Magnet axially facing armature) appears on 68 US grants and 20 published applications in this corpus.
Search patents in H02K- Granted patents
- 68
- Published applications
- 20
- Assignees
- 44
- Inventors
- 107
- Latest grant
- 23 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 3 |
| 2006 | 3 | 3 |
| 2007 | 2 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Modular brushless DC (BLDC) motor construction23 May 2023US 11,658,530 B2Stoneridge, Inc.
- Axial flux permanent magnet motor for ball screw cam elevator mechanism for reduced-head hard disk drive9 Aug 2022US 11,410,694 B2Western Digital Technologies, Inc.
- Stack-type stator using multi-layer substrate, slim motor using same, and blower for air purification system3 Aug 2021US 11,081,914 B2Amotech Co., Ltd.
- Axial brushless DC motor with fractional and hold step function22 Oct 2019US 10,454,403 B2CTS Corporation
- Two-or three-phase polyphase motor with R pairs of poles and a stator with S trapeziodal shaped poles14 Oct 2014US 8,860,282 B2Moving Magnet Technologies
- Two-phased stepper motor4 Jun 2026US 2026/0155724 A1The Faulhaber Co.
- Modular brushless dc (bldc) motor construction19 Jan 2023US 2023/0019247 A1Stoneridge, Inc.
- Axial flux permanent magnet motor for ball screw cam elevator mechanism for reduced-head hard disk drive21 Jan 2021US 2021/0020194 A1Western Digital Technologies, Inc.
- Stack-type stator using multi-layer substrate, slim motor using same, and blower for air purification system31 Oct 2019US 2019/0334393 A1Amotech Co., Ltd.
- Axial Brushless DC Motor with Fractional and Hold Step Function31 Aug 2017US 2017/0250637 A1CTS Corporation
Most cited
By later US patents
- Motorless magnetically coupled stirrer65US 4,199,265 AAmerican Hospital Supply Corporation · 1980
- Stepping motor, method of driving the same and drive circuit therefor60US 4,803,389 ANippon Telegraph and Telephone Corporation · 1989
- Multiphase motor with facially magnetized rotor having N/2 pairs of poles per face59US 4,680,494 A1987
- Electric motor50US 4,761,590 APolestar Magnetronics Inc. · 1988
- Permanent magnet type brushless motor44US 5,532,531 AJapan Servo Co., Ltd. · 1996