H02K 9/12
Wherein the cooling medium circulates freely within the casing
Official title: wherein the cooling medium circulates freely within the casing
H02K9/12 (Wherein the cooling medium circulates freely within the casing) appears on 158 US grants and 179 published applications in this corpus.
Search patents in H02K- Granted patents
- 158
- Published applications
- 179
- Assignees
- 112
- Inventors
- 422
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 4 | 2 |
| 2003 | 1 | 2 |
| 2004 | 5 | 13 |
| 2005 | 4 | 3 |
| 2006 | 3 | 1 |
| 2007 | 4 | 1 |
| 2008 | 1 | 5 |
| 2009 | 0 | 3 |
| 2010 | 4 | 2 |
| 2011 | 2 | 2 |
| 2012 | 3 | 11 |
| 2013 | 6 | 8 |
| 2014 | 6 | 7 |
| 2015 | 6 | 13 |
| 2016 | 6 | 6 |
| 2017 | 6 | 12 |
| 2018 | 8 | 11 |
| 2019 | 12 | 16 |
| 2020 | 9 | 12 |
| 2021 | 8 | 9 |
| 2022 | 7 | 8 |
| 2023 | 3 | 9 |
| 2024 | 13 | 6 |
| 2025 | 6 | 11 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- System and apparatus for modular axial field rotary energy device50US 10,135,310 B2Infinitum Electric Inc. · 2018
- Wind power installation with separate primary and secondary cooling circuits50US 7,057,305 B2Siemens Aktiengasellschaft · 2006
- Wind power installation with separate primary and secondary cooling circuits43US 7,161,260 B2Siemens Aktiengesellschaft · 2007
- Ship propulsion arrangement37US 5,403,216 AKvaerner Masa-Yards Oy · 1995
- Totally-enclosed traction motor for electric railcar36US 5,789,833 AKabushiki Kaisha Toshiba · 1998