F24H 3/004
With a closed circuit for a heat transfer liquid
Official title: {with a closed circuit for a heat transfer liquid}
F24H3/004 (With a closed circuit for a heat transfer liquid) appears on 43 US grants and 49 published applications in this corpus.
Search patents in F24H- Granted patents
- 43
- Published applications
- 49
- Assignees
- 32
- Inventors
- 86
- Latest grant
- 12 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 1 | 4 |
| 2008 | 3 | 5 |
| 2009 | 1 | 4 |
| 2010 | 1 | 6 |
| 2011 | 1 | 2 |
| 2012 | 3 | 2 |
| 2013 | 2 | 0 |
| 2014 | 1 | 5 |
| 2015 | 2 | 2 |
| 2016 | 2 | 5 |
| 2017 | 2 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 3 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Electric radiator heater24 Nov 2020US D903,074 S1Midea Group Co., Ltd. · Design
- Heating device having a holding apparatus to accommodate a control unit1 Sep 2020US 10,760,821 B2Robert Bosch GmbH
- Mobile type cold and hot integrated apparatus4 Feb 2020US 10,551,076 B2Shandong Rongan Electronic Science and Technology Co., Ltd.
- Body heating system with heat transfer fluid20 Aug 2026US 2026/0240265 A1Enover Isi Sistemleri Anonim Sirketi
- Energy-saving heating device12 Jun 2025US 2025/0189170 A1
- Heat exchanger enhanced with thermoelectric generators18 Jan 2024US 2024/0023443 A1B aryon Inc.
- Heater using microwave energy3 Nov 2022US 2022/0353961 A1
- Heat emitting radiator27 Feb 2020US 2020/0064022 A1
Most cited
By later US patents
- Electric space heater employing a vaporizable heat exchange fluid50US 4,567,351 AMatsushita Electric Works, Ltd. · 1986
- Heater with medium-filled passive heating element43US 6,072,938 ALakewood Engineering and Manufacturing Co. · 2000
- Electric finned-tube baseboard space heater employing a vaporized working fluid40US 4,791,274 A1988
- Y-shaped portable electric space heater with value to reduce pressure within the boiler40US 5,721,804 AHeatech International, Inc. · 1998
- Article warmer with heated frame and flexible enclosure23US 5,548,100 A1996