H01F 27/105
Cooling by special liquid or by liquid of particular composition
Official title: {Cooling by special liquid or by liquid of particular composition}
H01F27/105 (Cooling by special liquid or by liquid of particular composition) appears on 38 US grants and 49 published applications in this corpus.
Search patents in H01F- Granted patents
- 38
- Published applications
- 49
- Assignees
- 38
- Inventors
- 114
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 3 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 4 |
| 2016 | 1 | 3 |
| 2017 | 2 | 2 |
| 2018 | 2 | 6 |
| 2019 | 7 | 7 |
| 2020 | 3 | 4 |
| 2021 | 5 | 1 |
| 2022 | 1 | 4 |
| 2023 | 2 | 4 |
| 2024 | 1 | 3 |
| 2025 | 1 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Static electric induction system and method28 Apr 2026US 12,614,657 B2Hitachi Energy Ltd
- Systems and methods for uniform cooling of electromagnetic coil4 Nov 2025US 12,462,968 B2KLA Corporation
- Static electric induction arrangement20 Feb 2024US 11,908,602 B2Hitachi Energy Ltd
- Fractal switching systems and related electromechanical devices3 Oct 2023US 11,776,729 B2Fractal Antenna Systems, Inc.
- Reactor cooling structure20 Jun 2023US 11,682,516 B2Denso Corporation
- Inductor assembly, apparatus for generating a magnetic field and associated methods30 Jul 2026US 2026/0221328 A1Zimmer MedizinSysteme GmbH
- Power electronic transformer with cooling unit30 Apr 2026US 2026/0120934 A1Hitachi Energy Ltd
- Submerged Ferrite Flowing Fluid Cooled Transformer14 Nov 2024US 2024/0379273 A1Radyne Corporation
- Coil device22 Aug 2024US 2024/0282505 A1TDK Corporation
- Transformer installation6 Jun 2024US 2024/0186051 A1Hitachi Energy Ltd
Most cited
By later US patents
- System and method for cryogenic cooling of electromagnetic induction filter121US 10,015,908 B2The Boeing Company · 2018
- Ferrofluidic cooling and acoustical noise reduction in magnetic stimulators108US 7,396,326 B2Neuronetics, Inc. · 2008
- Apparatus for continually upgrading transformer dielectric liquid46US 4,437,082 AWestinghouse Electric Corp. · 1984
- Ferrofluidic cooling and acoustical noise reduction in magnetic stimulators38US 8,506,468 B2Neuronetics, Inc. · 2013
- Microbial oils with lowered pour points, dielectric fluids produced therefrom, and related methods34US 9,066,527 B2Solazyme, Inc. · 2015