F24H 15/32
Of switching valves
Official title: of switching valves (for by-passing F24H15/325)
F24H15/32 (Of switching valves) appears on 55 US grants and 78 published applications in this corpus.
Search patents in F24H- Granted patents
- 55
- Published applications
- 78
- Assignees
- 50
- Inventors
- 138
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 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 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 4 |
| 2011 | 1 | 4 |
| 2012 | 4 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 2 | 4 |
| 2016 | 3 | 3 |
| 2017 | 1 | 2 |
| 2018 | 2 | 6 |
| 2019 | 8 | 6 |
| 2020 | 3 | 6 |
| 2021 | 6 | 6 |
| 2022 | 7 | 4 |
| 2023 | 8 | 5 |
| 2024 | 0 | 7 |
| 2025 | 3 | 6 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air heating apparatus12 May 2026US 12,624,844 B2Kyungdong Navien Co., Ltd.
- Hot water supply apparatus12 May 2026US 12,624,862 B2Daikin Industries, Ltd.
- Controlled routing of hydronic flow using a distribution area director17 Mar 2026US 12,578,115 B2Trane International Inc.
- Water heating system13 Jan 2026US 12,523,379 B2
- Thermal system with exhaust heat exchanger18 Nov 2025US 12,474,079 B2Schlumberger Technology Corporation
- Air heating apparatus27 Aug 2026US 2026/0251318 A1Kyungdong Navien Co., Ltd.
- Smart Fluid Heating Systems and Methods30 Jul 2026US 2026/0218917 A1Rheem Manufacturing Company
- Water Heating System with Combination Valve30 Jul 2026US 2026/0218942 A1Rheem Manufacturing Company
- Controlled routing of hydronic flow using a distribution area director25 Jun 2026US 2026/0177273 A1Trane International Inc.
- Thermal system with exhaust heat exchanger12 Mar 2026US 2026/0071775 A1Schlumberger Technology Corporation
Most cited
By later US patents
- Heat exchanger29US 8,180,207 B2Panasonic Corporation · 2012
- Water heater17US 8,267,051 B2Rinnai Corporation · 2012
- Fluid heating system and instant fluid heating device13US 9,140,466 B2Eemax, Inc. · 2015
- Fluid heating system and instant fluid heating device12US 10,203,131 B2Eemax, Inc. · 2019
- Combustion apparatus, method for combustion control, board, combustion control system and water heater9US 9,513,003 B2Purpose Co., Ltd. · 2016