H02K 7/081
Specially adapted for worm gear drives
Official title: {specially adapted for worm gear drives (H02K7/09 takes precedence)}
H02K7/081 (Specially adapted for worm gear drives) appears on 207 US grants and 165 published applications in this corpus.
Search patents in H02K- Granted patents
- 207
- Published applications
- 165
- Assignees
- 121
- Inventors
- 448
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 1 | 0 |
| 2001 | 8 | 2 |
| 2002 | 6 | 9 |
| 2003 | 6 | 9 |
| 2004 | 9 | 6 |
| 2005 | 11 | 9 |
| 2006 | 3 | 10 |
| 2007 | 6 | 7 |
| 2008 | 7 | 5 |
| 2009 | 4 | 11 |
| 2010 | 5 | 9 |
| 2011 | 11 | 4 |
| 2012 | 4 | 4 |
| 2013 | 3 | 8 |
| 2014 | 2 | 6 |
| 2015 | 6 | 7 |
| 2016 | 3 | 5 |
| 2017 | 7 | 9 |
| 2018 | 9 | 6 |
| 2019 | 6 | 6 |
| 2020 | 4 | 6 |
| 2021 | 2 | 4 |
| 2022 | 5 | 6 |
| 2023 | 6 | 7 |
| 2024 | 5 | 3 |
| 2025 | 8 | 4 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Self-locking drive and linear actuator9 Jun 2026US 12,650,167 B2Zhejiang Jiecang Linear Motion Technology Co., Ltd.
- Self-locking drive and linear actuator21 Apr 2026US 12,607,256 B2Zhejiang Jiecang Linear Motion Technology Co., Ltd.
- Electric pipe expander31 Mar 2026US 12,589,425 B2NAVAC Inc.
- Brushless gear motor with plastic insulation parts on core ends with protruding parts having cut corners27 Jan 2026US 12,537,414 B2Inteva Products, LLC
- Motor device30 Dec 2025US 12,512,724 B2Mitsuba Corporation
- Drive motor and swivel actuator using same13 Aug 2026US 2026/0238079 A1Amotech Co., Ltd.
- Motor device28 May 2026US 2026/0149326 A1Mitsuba Corporation
- Step motor7 May 2026US 2026/0128657 A1AAC Microtech (Changzhou) Co., Ltd.
- Method for producing an electric motor, device for producing an electric motor, electric motor and rotor25 Sep 2025US 2025/0300537 A1Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Bamberg
- Self-locking drive and linear actuator15 May 2025US 2025/0155003 A1Zhejiang Jiecang Linear Motion Technology Co., Ltd.
Most cited
By later US patents
- Electric power assisting steering apparatus65US 6,044,723 ANsk Ltd. · 2000
- Thrust sensor assembly50US 6,289,749 B1Rotork Controls Limited · 2001
- Electric motor-driven rope pull hoist for motor vehicle doors49US 4,314,692 AKuster & Co. GmbH · 1982
- Stabilized motor driven actuator49US 4,885,948 AUnited Technologies Electro Systems, Inc. · 1989
- Electrical power assisted steering47US 6,491,131 B1TRW LucasVarity Electric Steering Ltd. · 2002