F24D 19/1021
A by pass valve
Official title: {a by pass valve}
F24D19/1021 (A by pass valve) appears on 16 US grants and 21 published applications in this corpus.
Search patents in F24D- Granted patents
- 16
- Published applications
- 21
- Assignees
- 15
- Inventors
- 42
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 3 |
| 2016 | 2 | 2 |
| 2017 | 1 | 0 |
| 2018 | 2 | 1 |
| 2019 | 0 | 2 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 4 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 4 |
| 2025 | 0 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pool heater bypass systems and methods12 May 2026US 12,624,863 B2Rheem Manufacturing Company
- Bypass valves for pool heaters31 Mar 2026US 12,590,642 B2Rheem Manufacturing Company
- Water heater bypass valves and devices thereto21 May 2024US 11,988,466 B2Rheem Manufacturing Company
- Balancing valve15 Nov 2022US 11,499,645 B2Aliaxis Research & Technology
- Manifold, a buffer tank comprising the manifold, and a method for operating a heat exchange system12 Apr 2022US 11,300,301 B2
- Device for controlling a system for heating and cooling, and corresponding method20 Feb 2025US 2025/0060113 A1
- Pool Heater Bypass Systems and Methods15 Aug 2024US 2024/0271442 A1Rheem Manufacturing Company
- Heating system and method for operating a heating system2 May 2024US 2024/0142115 A1Viessmann Climate Solutions SE
- System for producing heat for domestic hot water or central heating4 Apr 2024US 2024/0110709 A1Daikin Europe N.V.
- Bypass valves for pool heaters28 Mar 2024US 2024/0102565 A1Rheem Manufacturing Company
Most cited
By later US patents
- Control unit for central heating systems5US 4,397,418 AVadstena Pumpar AB · 1983
- Circulating hot water system and or appliance4US 9,562,697 B2Rheem Australia Pty Limited · 2017
- Controlling a heating/cooling system3US 9,404,664 B2Uponor Innovation AB · 2016
- Circulating hot water system and or appliance2US 10,066,841 B2Rheem Australia Pty Limited · 2018
- Heating unit1US 10,012,395 B2Grundfos Holding A/S · 2018