H02K 26/00
Machines adapted to function as torque motors, i.e. to exert a torque
Official title: Machines adapted to function as torque motors, i.e. to exert a torque when stalled
H02K26/00 (Machines adapted to function as torque motors, i.e. to exert a torque) appears on 328 US grants and 214 published applications in this corpus.
Search patents in H02K- Granted patents
- 328
- Published applications
- 214
- Assignees
- 204
- Inventors
- 619
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 8 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 10 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 20 | 0 |
| 1998 | 11 | 0 |
| 1999 | 18 | 0 |
| 2000 | 9 | 0 |
| 2001 | 13 | 7 |
| 2002 | 15 | 13 |
| 2003 | 8 | 8 |
| 2004 | 17 | 13 |
| 2005 | 7 | 10 |
| 2006 | 6 | 11 |
| 2007 | 7 | 6 |
| 2008 | 5 | 8 |
| 2009 | 9 | 8 |
| 2010 | 9 | 5 |
| 2011 | 2 | 3 |
| 2012 | 5 | 7 |
| 2013 | 4 | 5 |
| 2014 | 5 | 8 |
| 2015 | 7 | 10 |
| 2016 | 4 | 7 |
| 2017 | 6 | 13 |
| 2018 | 7 | 10 |
| 2019 | 9 | 18 |
| 2020 | 13 | 14 |
| 2021 | 13 | 8 |
| 2022 | 8 | 10 |
| 2023 | 6 | 1 |
| 2024 | 4 | 7 |
| 2025 | 6 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Electric valve19 Aug 2025US 12,392,420 B2Fujikoki Corporation
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- Micro-generation self-energized water transportation pipe adjustment valve device6 Feb 2025US 2025/0043881 A1Ningbo University
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Most cited
By later US patents
- Torque compensated electric motor1,230US 4,373,147 AGeneral Signal Corporation · 1983
- Elastic actuator for precise force control232US 5,650,704 AMassachusetts Institute of Technology · 1997
- Reaction sensing torque actuator165US 5,327,790 AMassachusetts Institute of Technology · 1994
- Electro-optical scanning system with gyrating scan head151US 5,371,347 AGAP Technologies, Inc. · 1994
- Actuator with opposing repulsive magnetic forces146US 6,002,184 ACoactive Drive Corporation · 1999