F24D 3/04
Hot-water central heating systems: with the water under high pressure
Official title: with the water under high pressure
F24D3/04 (Hot-water central heating systems: with the water under high pressure) appears on 11 US grants and 11 published applications in this corpus.
Search patents in F24D- Granted patents
- 11
- Published applications
- 11
- Assignees
- 5
- Inventors
- 17
- Latest grant
- 5 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Device and methodology for early detection of fluid loss and notification and system shutdown for a closed loop fluid heat transfer system5 Apr 2022US 11,293,170 B2
- Hot water heating systems and related methods31 Aug 2021US 11,105,533 B2
- Device and methodology for early detection of fluid loss and notification and system shutdown for a closed loop fluid heat transfer system9 Jun 2020US 10,677,674 B2
- Temperature delta control for a hydronic heating/cooling system7 Jan 2020US 10,527,296 B2Computime, Ltd.
- Hot water heating system and related methods14 May 2019US 10,288,314 B2
- Fluid circuit filling apparatus and method25 Mar 2021US 2021/0088229 A1Vexo International (UK) Limited
- Device and methodology for early detection of fluid loss and notification and system shutdown for a closed loop fluid heat transfer system21 May 2020US 2020/0158586 A1
- Temperature Delta Control for a Hydronic Heating/Cooling System.31 Oct 2019US 2019/0331349 A1Computime, Ltd.
- Hot water heating systems and related methods18 Jul 2019US 2019/0219303 A1
- Device and methodology for early detection of fluid loss and notification and system shutdown for a closed loop fluid heat transfer system.29 Nov 2018US 2018/0340854 A1
Most cited
By later US patents
- Shell for explosive21US 9,285,199 B22016
- Safety device for a heat exchange equipment filled with pressurized liquid15US 4,345,715 A1982
- Heat energy accumulator14US 4,031,952 A1977
- Liquid heating system10US 4,420,114 AKlockner-Humboldt-Deutz Aktiengesellschaft · 1983
- Pressure distribution and regulation in high-rise buildings6US 6,715,691 B22004