F24H 1/121
Using electric energy supply
Official title: {using electric energy supply}
F24H1/121 (Using electric energy supply) appears on 212 US grants and 291 published applications in this corpus.
Search patents in F24H- Granted patents
- 212
- Published applications
- 291
- Assignees
- 198
- Inventors
- 646
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 3 |
| 2003 | 2 | 5 |
| 2004 | 5 | 7 |
| 2005 | 8 | 2 |
| 2006 | 1 | 4 |
| 2007 | 1 | 2 |
| 2008 | 3 | 3 |
| 2009 | 2 | 5 |
| 2010 | 2 | 7 |
| 2011 | 1 | 13 |
| 2012 | 1 | 14 |
| 2013 | 6 | 16 |
| 2014 | 10 | 14 |
| 2015 | 13 | 21 |
| 2016 | 6 | 14 |
| 2017 | 13 | 10 |
| 2018 | 10 | 25 |
| 2019 | 12 | 15 |
| 2020 | 16 | 25 |
| 2021 | 13 | 18 |
| 2022 | 13 | 14 |
| 2023 | 12 | 13 |
| 2024 | 13 | 17 |
| 2025 | 7 | 15 |
| 2026 | 5 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hot water tank and flow through heating assembly23 Jun 2026US 12,663,181 B2National Machine Company
- Electric boiler5 May 2026US 12,618,589 B2
- Heating device, sanitary water supply device, and sanitary cleaning device24 Feb 2026US 12,559,925 B2Komoo Intelligent Technology Co., Ltd.
- Heater bundles having virtual sensing for thermal gradient compensation24 Feb 2026US 12,560,356 B2Watlow Electric Manufacturing Company
- Liquid supply unit, and substrate treating apparatus including the same13 Jan 2026US 12,521,771 B2Semes Co., Ltd.
- Flow Through Heaters and Methods of Manufacture Thereof8 Oct 2026US 2026/0309364 A1Otter Controls Limited
- Electric heater for heating a process fluid with a working fluid27 Aug 2026US 2026/0251348 A1Uop LLC
- Electric heater for vehicle6 Aug 2026US 2026/0227093 A1I.R.C.A. S.P.A. Industria Resistenze Corazzate E Affini
- Heating device30 Jul 2026US 2026/0218941 A1Valeo Systemes Thermiques
- Heating system4 Jun 2026US 2026/0153266 A1Intellihot, Inc.
Most cited
By later US patents
- In-line fluid heating apparatus with gradation of heat energy from inlet to outlet313US 5,381,510 AIn-Touch Products Co. · 1995
- Thermal treatment apparatus310US 5,549,559 AArgomed Ltd. · 1996
- Parenteral fluid warmer apparatus and disposable cassette utilizing thin, flexible heat-exchange membrane291US 5,245,693 AIn-Touch Products Co. · 1993
- Window cleaning fluid heating system having timer-controlled heater and differential input circuit280US 5,354,965 AGensonic, Inc. · 1994
- Method and apparatus for introducing a fluid into a human or animal organism as well as method and heating device for temperature control139US 4,844,074 ARolitron Muszaki-Fejleszto Kisszovetkezet · 1989