H02K 99/00
Subject matter not provided for in other groups of this subclass
H02K99/00 (Subject matter not provided for in other groups of this subclass) appears on 378 US grants and 310 published applications in this corpus.
Search patents in H02K- Granted patents
- 378
- Published applications
- 310
- Assignees
- 222
- Inventors
- 685
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 9 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 9 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 16 | 0 |
| 1999 | 12 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 1 |
| 2002 | 4 | 7 |
| 2003 | 6 | 6 |
| 2004 | 4 | 7 |
| 2005 | 9 | 17 |
| 2006 | 8 | 12 |
| 2007 | 10 | 13 |
| 2008 | 10 | 10 |
| 2009 | 7 | 10 |
| 2010 | 5 | 15 |
| 2011 | 7 | 10 |
| 2012 | 9 | 16 |
| 2013 | 18 | 25 |
| 2014 | 10 | 19 |
| 2015 | 9 | 13 |
| 2016 | 17 | 14 |
| 2017 | 16 | 20 |
| 2018 | 10 | 14 |
| 2019 | 11 | 11 |
| 2020 | 12 | 9 |
| 2021 | 10 | 11 |
| 2022 | 10 | 9 |
| 2023 | 8 | 8 |
| 2024 | 11 | 18 |
| 2025 | 9 | 6 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for cooling a rotor assembly22 Sep 2026US 12,744,427 B2GE Aviation Systems LLC
- Shipping container tracking methods25 Aug 2026US 12,718,186 B2Teleme Trak, Inc.
- Electromagnetic power transfer system5 May 2026US 12,620,845 B2
- Supercapacitor24 Mar 2026US 12,586,735 B2Stanley Motors Inc.
- Magnetic momentum transfer generator23 Dec 2025US 12,505,969 B2Wepower Technologies LLC
- Method for monitoring health of an electric machine11 Jun 2026US 2026/0163450 A1GE Aviation Systems LLC
- Method for monitoring health of an electric power train11 Jun 2026US 2026/0163454 A1GE Aviation Systems LLC
- Locking assembly for a propeller rotor of an aircraft, a rotor assembly for the aircraft, and a method4 Jun 2026US 2026/0155727 A1The Boeing Company
- Magnetic suspension and electromagnetic force recoil power generation device with long rotating crank to rapidly rotate around shaft7 May 2026US 2026/0128659 A1
- Magnetic momentum transfer generator9 Apr 2026US 2026/0100321 A1Wepower Technologies LLC
Most cited
By later US patents
- Method and apparatus for generating controlled torques on objects particularly objects inside a living body263US 6,594,517 B1Robin Medical, Inc. · 2003
- Method and apparatus for the assembly of microfabricated devices153US 5,355,577 A1994
- Non-mechanical magnetic pump for liquid cooling125US 5,763,951 ANorthrop Grumman Corporation · 1998
- Electromagnetically actuated micromachined flap123US 5,629,918 ACalifornia Institute of Technology · 1997
- Method of manufacturing micromechanical devices111US 5,206,983 AWisconsin Alumni Research Foundation · 1993