H02K 41/025
Asynchronous motors
H02K41/025 (Asynchronous motors) appears on 227 US grants and 108 published applications in this corpus.
Search patents in H02K- Granted patents
- 227
- Published applications
- 108
- Assignees
- 121
- Inventors
- 420
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 8 | 0 |
| 1979 | 2 | 0 |
| 1980 | 12 | 0 |
| 1981 | 13 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 11 | 0 |
| 1993 | 14 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 3 | 3 |
| 2006 | 1 | 4 |
| 2007 | 2 | 8 |
| 2008 | 1 | 1 |
| 2009 | 2 | 2 |
| 2010 | 2 | 7 |
| 2011 | 8 | 6 |
| 2012 | 5 | 6 |
| 2013 | 3 | 2 |
| 2014 | 3 | 4 |
| 2015 | 2 | 6 |
| 2016 | 2 | 3 |
| 2017 | 4 | 5 |
| 2018 | 7 | 5 |
| 2019 | 4 | 4 |
| 2020 | 3 | 6 |
| 2021 | 4 | 8 |
| 2022 | 7 | 9 |
| 2023 | 4 | 4 |
| 2024 | 6 | 7 |
| 2025 | 7 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Linear drive for track-guided means of land transportation or railway vehicles15 Sep 2026US 12,738,828 B2Indrivetec AG
- Self guided linear induction motor system and method26 May 2026US 12,640,635 B2Swisspod Technologies SA
- Conveyor for granular material driven by linear induction motor with double-sided primary and long sectioned secondary for belt alignment30 Dec 2025US 12,509,302 B2Haka Groups Participacoes De Negocios S/A
- Force-producing electromagnetic actuator30 Dec 2025US 12,512,742 B2Dp World Logistics US Holdings, Inc.
- System, electromagnetic actuator and track for braking8 Jul 2025US 12,355,325 B2Hyperloop Technologies, Inc.
- Self guided linear induction motor system and method23 Jul 2026US 2026/0213635 A1Swisspod Technologies SA
- Substrate processing apparatus7 Aug 2025US 2025/0253179 A1Brooks Automation US, LLC
- Transport system and control method of transport system1 May 2025US 2025/0136390 A1Canon Kabushiki Kaisha
- Automation system in the form of a planar motor3 Apr 2025US 2025/0112536 A1B&R Industrial Automation GmbH
- A Linear Motor For Use In A Molten Salt Nuclear Reactor And A Valve For Use In A Molten Salt Nuclear Reactor19 Dec 2024US 2024/0418287 A1Copenhagen Atomics A/S
Most cited
By later US patents
- Parallel air gap serial flux A.C. electrical machine96US 5,396,140 ASatCon Technology Corporation · 1995
- Alternating current magnetic levitation transport system87US 5,309,049 AMitsubishi Jukogyo Kabushiki Kaisha · 1994
- Drive mechanism77US 4,287,808 ANational Research Development Corporation · 1981
- Storage or conveying system76US 8,281,888 B22012
- Parallel air gap serial flux A.C. electrical machine60US 5,495,131 ASatCon Technology Corporation · 1996