H02K 37/00
Motors with rotor rotating step by step and without interrupter or commutator
Official title: Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
H02K37/00 (Motors with rotor rotating step by step and without interrupter or commutator) appears on 1,009 US grants and 637 published applications in this corpus.
Search patents in H02K- Granted patents
- 1,009
- Published applications
- 637
- Assignees
- 452
- Inventors
- 1,580
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 16 | 0 |
| 1978 | 20 | 0 |
| 1979 | 7 | 0 |
| 1980 | 15 | 0 |
| 1981 | 13 | 0 |
| 1982 | 23 | 0 |
| 1983 | 18 | 0 |
| 1984 | 13 | 0 |
| 1985 | 17 | 0 |
| 1986 | 18 | 0 |
| 1987 | 32 | 0 |
| 1988 | 28 | 0 |
| 1989 | 23 | 0 |
| 1990 | 19 | 0 |
| 1991 | 22 | 0 |
| 1992 | 15 | 0 |
| 1993 | 12 | 0 |
| 1994 | 23 | 0 |
| 1995 | 12 | 0 |
| 1996 | 12 | 0 |
| 1997 | 18 | 0 |
| 1998 | 30 | 0 |
| 1999 | 24 | 0 |
| 2000 | 23 | 0 |
| 2001 | 27 | 3 |
| 2002 | 12 | 31 |
| 2003 | 21 | 23 |
| 2004 | 35 | 24 |
| 2005 | 27 | 29 |
| 2006 | 17 | 31 |
| 2007 | 21 | 28 |
| 2008 | 18 | 35 |
| 2009 | 18 | 24 |
| 2010 | 26 | 19 |
| 2011 | 25 | 33 |
| 2012 | 14 | 16 |
| 2013 | 15 | 21 |
| 2014 | 15 | 24 |
| 2015 | 18 | 21 |
| 2016 | 14 | 21 |
| 2017 | 26 | 41 |
| 2018 | 18 | 29 |
| 2019 | 28 | 25 |
| 2020 | 29 | 39 |
| 2021 | 27 | 26 |
| 2022 | 26 | 26 |
| 2023 | 23 | 16 |
| 2024 | 19 | 17 |
| 2025 | 13 | 10 |
| 2026 | 10 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Stepping dimming motor structure with push rod and wire block15 Sep 2026US 12,738,826 B2Ningbo Jinghua Electronics Technology Co., Ltd.
- Electric motor1 Sep 2026US 12,726,054 B2AAC Microtech (Changzhou) Co., Ltd.
- Apparatus and method for adjusting attitude25 Aug 2026US 12,716,968 B2Hanwha Vision Co., Ltd.
- Transducer mount system21 Jul 2026US 12,689,277 B2
- Electric motors and methods of controlling thereof21 Apr 2026US 12,609,590 B2121352 Canada Inc.
- Transducer mount system1 Oct 2026US 2026/0302908 A1Innovative Fishing Concepts, LLC
- Magnetic Resonance-Compatible Stepper Motor for use in a Magnetic Resonance Apparatus with a Brake Unit17 Sep 2026US 2026/0280398 A1Siemens Healthineers AG
- Magnetic-based actuation mechanisms for and methods of actuating magnetically responsive microposts in a reaction chamber10 Sep 2026US 2026/0264074 A1Redbud Labs, Inc.
- Stepping motor13 Aug 2026US 2026/0238107 A1AAC Microtech (Changzhou) Co., Ltd.
- Stepping motor and electric motor module16 Jul 2026US 2026/0204968 A1AAC Microtech (Changzhou) Co., Ltd.
Most cited
By later US patents
- Series redundant drive system1,219US 3,950,686 ATRW Inc. · 1976
- Magnetically-adjustable cerebrospinal fluid shunt valve219US 4,595,390 A1986
- Pump mechanism having a drive motor with an external rotor178US 5,342,180 AIVAC Corporation · 1994
- Surgically-implantable stepping motor139US 4,615,691 A1986
- External programmer for magnetically-adjustable cerebrospinal fluid shunt valve105US 4,772,257 A1988