F24D 19/082
For water heating systems
Official title: {for water heating systems}
F24D19/082 (For water heating systems) appears on 100 US grants and 116 published applications in this corpus.
Search patents in F24D- Granted patents
- 100
- Published applications
- 116
- Assignees
- 76
- Inventors
- 224
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 3 |
| 2009 | 0 | 5 |
| 2010 | 0 | 4 |
| 2011 | 3 | 9 |
| 2012 | 3 | 3 |
| 2013 | 2 | 3 |
| 2014 | 0 | 3 |
| 2015 | 0 | 2 |
| 2016 | 4 | 4 |
| 2017 | 3 | 6 |
| 2018 | 1 | 8 |
| 2019 | 3 | 4 |
| 2020 | 3 | 8 |
| 2021 | 6 | 9 |
| 2022 | 5 | 9 |
| 2023 | 6 | 12 |
| 2024 | 6 | 9 |
| 2025 | 11 | 7 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electric boiler device based on utilization of residual energy of elevator, and control method19 May 2026US 12,631,346 B2Zhejiang University of Technology
- Air venting12 May 2026US 12,624,704 B2Grundfos Holding A/S
- Refrigeration cycle apparatus2 Dec 2025US 12,487,016 B2Mitsubishi Electric Corporation
- Automatic hygienic hot water expediter device14 Oct 2025US 12,442,541 B1
- Deaerator with integrated shut-off valve9 Sep 2025US 12,410,871 B2Giacomini S.p. A.
- Heating Circuit and Degassing Device17 Sep 2026US 2026/0276214 A1Viessmann Holding International GmbH
- Low pressure degassing device26 Feb 2026US 2026/0054199 A1
- Device for separating gas from a vector fluid in a circuit of a thermal system30 Oct 2025US 2025/0332527 A1Caleffi S.p.A.
- Device for Separating Gases from Liquids11 Sep 2025US 2025/0281854 A1
- Electric Heating Device28 Aug 2025US 2025/0275016 A1Eberspacher catem GmbH & Co.KG
Most cited
By later US patents
- Systems and methods for monitoring relief valve drain in hot water Heater32US 7,970,494 B2LiquidBreaker, LLC · 2011
- Apparatus for degasifying a liquid medium23US 4,602,923 A1986
- Leak tolerant liquid cooling system employing an improved air purging mechanism22US 5,048,599 AUnisys Corporation · 1991
- Parallel piping installation with air by-pass apparatus20US 4,753,285 ACommand-Aire Corporation · 1988
- Method of and apparatus for the degasification of circulation systems for liquids16US 4,456,172 ASpiro Research B. V. · 1984