H01F 27/16
Water cooling
H01F27/16 (Water cooling) appears on 60 US grants and 86 published applications in this corpus.
Search patents in H01F- Granted patents
- 60
- Published applications
- 86
- Assignees
- 73
- Inventors
- 231
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 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 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 2 |
| 2012 | 2 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 5 |
| 2015 | 1 | 4 |
| 2016 | 1 | 8 |
| 2017 | 4 | 7 |
| 2018 | 7 | 7 |
| 2019 | 2 | 7 |
| 2020 | 5 | 8 |
| 2021 | 3 | 4 |
| 2022 | 6 | 6 |
| 2023 | 5 | 4 |
| 2024 | 4 | 7 |
| 2025 | 2 | 6 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cooling system and wind power generator set30 Dec 2025US 12,510,058 B2Xinjiang Goldwind Science & Technology Co., Ltd.
- Non-liquid immersed transformer26 Aug 2025US 12,400,780 B2Hitachi Energy Ltd
- Power electronic transformer structure10 Dec 2024US 12,165,796 B2Global Energy Interconnection Research Institute Co., Ltd.
- Cooling system for a transformer and a method of cooling a transformer16 Jul 2024US 12,040,118 B2Hamilton Sundstrand Corporation
- Induction assembly of an induction charging device19 Mar 2024US 11,932,126 B2Mahle International GmbH
- Self-adaptive cooling system for moving coil of high-thrust electrodynamic vibration table and control method thereof27 Aug 2026US 2026/0251527 A1China University of Mining and Technology
- Submodule for single packaging type semiconductor transformer with excellent insulation performance27 Aug 2026US 2026/0253793 A1Hyosung Heavy Industries Corporation
- Electric vehicle11 Jun 2026US 2026/0163342 A1Isuzu Motors Limited
- Power electronic transformer with cooling unit30 Apr 2026US 2026/0120934 A1Hitachi Energy Ltd
- Planar transformer and dual active bridge28 Aug 2025US 2025/0273377 A1Mission Power Corp.
Most cited
By later US patents
- Tunable and matchable resonator coil assembly for ion implanter linear accelerator17US 6,262,638 B1Axcelis Technologies, Inc. · 2001
- Power equipment for use underwater14US 6,145,584 AAlstom UK Limited · 2000
- Combined transformer and inductor13US 5,376,912 A1994
- Welding system12US 4,485,289 A1984
- Transformer for welding gun8US 4,488,135 A1984