F17C 2227/0304
Using an electric heater
Official title: using an electric heater
F17C2227/0304 (Using an electric heater) appears on 175 US grants and 194 published applications in this corpus.
Search patents in F17C- Granted patents
- 175
- Published applications
- 194
- Assignees
- 143
- Inventors
- 557
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 5 |
| 2003 | 2 | 5 |
| 2004 | 4 | 4 |
| 2005 | 5 | 7 |
| 2006 | 2 | 5 |
| 2007 | 1 | 4 |
| 2008 | 5 | 3 |
| 2009 | 3 | 8 |
| 2010 | 1 | 5 |
| 2011 | 2 | 3 |
| 2012 | 3 | 5 |
| 2013 | 2 | 6 |
| 2014 | 1 | 8 |
| 2015 | 4 | 7 |
| 2016 | 4 | 3 |
| 2017 | 5 | 3 |
| 2018 | 1 | 12 |
| 2019 | 2 | 11 |
| 2020 | 7 | 10 |
| 2021 | 8 | 7 |
| 2022 | 3 | 12 |
| 2023 | 6 | 12 |
| 2024 | 9 | 18 |
| 2025 | 11 | 19 |
| 2026 | 9 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Electric energy storage device9 Jul 2026US 2026/0196960 A1TEXEL Energy AB
- Process and system with a liquid hydrogen centrifugal pump2 Jul 2026US 2026/0185665 A1
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- Installation and method for distributing a gaseous dielectric mixture to a gas insulated electrical system11 Jun 2026US 2026/0162854 A1Air Liquide Electronics Systems
Most cited
By later US patents
- System and method for dispensing cryogenic liquids81US 6,354,088 B1Chart Inc. · 2002
- Carbon dioxide dry cleaning system53US 6,442,980 B1Chart Inc. · 2002
- Electric liquefied petroleum gas vaporizer42US 4,255,646 ASam Dick Industries, Inc. · 1981
- Gas supply arrangement of a marine vessel and method of providing gas in a gas supply arrangement of a marine vessel42US 7,497,180 B2WäRtsilä Finland Oy · 2009
- Method and apparatus for controlling a cryogenic refrigeration system39US 5,060,481 AHelix Technology Corporation · 1991