H05B 3/50
Heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
Official title: heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
H05B3/50 (Heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins) appears on 183 US grants and 249 published applications in this corpus.
Search patents in H05B- Granted patents
- 183
- Published applications
- 249
- Assignees
- 135
- Inventors
- 513
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 5 | 4 |
| 2003 | 2 | 5 |
| 2004 | 3 | 8 |
| 2005 | 6 | 6 |
| 2006 | 5 | 6 |
| 2007 | 4 | 19 |
| 2008 | 6 | 11 |
| 2009 | 3 | 10 |
| 2010 | 5 | 12 |
| 2011 | 10 | 11 |
| 2012 | 5 | 4 |
| 2013 | 6 | 12 |
| 2014 | 8 | 6 |
| 2015 | 2 | 7 |
| 2016 | 11 | 13 |
| 2017 | 6 | 2 |
| 2018 | 7 | 6 |
| 2019 | 5 | 19 |
| 2020 | 9 | 16 |
| 2021 | 5 | 19 |
| 2022 | 9 | 11 |
| 2023 | 5 | 10 |
| 2024 | 8 | 16 |
| 2025 | 6 | 10 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Electric heating device and method for manufacturing the same30 Dec 2025US 12,513,785 B2Eberspacher catem GmbH & Co.KG
- Heating body of an electric radiator9 Dec 2025US 12,492,843 B2Valeo Systemes Thermiques
- Modular platform electric trench heater9 Dec 2025US 12,495,469 B2The Marley Company
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- Heater rod20 Aug 2026US 2026/0247498 A1
- Liquid heater module23 Jul 2026US 2026/0214756 A1Lloyds IP Holdings, LLC
- Fuel conditioning system18 Jun 2026US 2026/0173226 A1Airbus Operations S.L.U.
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Most cited
By later US patents
- Electric space heater employing a vaporizable heat exchange fluid50US 4,567,351 AMatsushita Electric Works, Ltd. · 1986
- Corrugated metal ribbon heating element50US 6,963,053 B2CCI Thermal Technologies Inc. · 2005
- Electrical heater unit46US 4,124,794 A1978
- Electric frying pan42US 4,270,067 ATrans-Canada Life-Ware Limited · 1981
- Electrical heater unit and heater42US 6,541,743 B22003