H02K 3/51
Applicable to rotors only
Official title: applicable to rotors only
H02K3/51 (Applicable to rotors only) appears on 244 US grants and 184 published applications in this corpus.
Search patents in H02K- Granted patents
- 244
- Published applications
- 184
- Assignees
- 88
- Inventors
- 581
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 9 | 13 |
| 2003 | 4 | 4 |
| 2004 | 5 | 4 |
| 2005 | 6 | 8 |
| 2006 | 4 | 5 |
| 2007 | 1 | 6 |
| 2008 | 4 | 2 |
| 2009 | 5 | 5 |
| 2010 | 5 | 4 |
| 2011 | 5 | 3 |
| 2012 | 3 | 9 |
| 2013 | 3 | 10 |
| 2014 | 5 | 5 |
| 2015 | 9 | 14 |
| 2016 | 5 | 10 |
| 2017 | 12 | 12 |
| 2018 | 8 | 2 |
| 2019 | 12 | 8 |
| 2020 | 5 | 9 |
| 2021 | 8 | 10 |
| 2022 | 12 | 7 |
| 2023 | 7 | 14 |
| 2024 | 7 | 8 |
| 2025 | 8 | 6 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Method and apparatus for cooling a rotor assembly22 Sep 2026US 12,744,427 B2GE Aviation Systems LLC
- Wound rotor for wind turbine generators8 Sep 2026US 12,732,054 B2Timken Gears & Services Inc.
- Rotor assembly and method of cooling2 Jun 2026US 12,646,990 B2GE Aviation Systems LLC
- Electrical machine having a lead retention assembly10 Mar 2026US 12,573,909 B2GE Aviation Systems LLC
- Electrical machine having a lead retention assembly25 Jun 2026US 2026/0180389 A1GE Aviation Systems LLC
- Metallic wedge block with integrated insulated end caps to prevent electrical arcing in dynamoelectric generators4 Jun 2026US 2026/0155696 A1
- Motor16 Apr 2026US 2026/0106504 A1Aisin Corporation
- Covering Device for a Rotor With Two Steel Plates12 Mar 2026US 2026/0074578 A1Bayerische Motoren Werke Aktiengesellschaft
- Method and apparatus for cooling a rotor assembly15 Jan 2026US 2026/0018950 A1GE Aviation Systems LLC
Most cited
By later US patents