F24H 9/146
Connecting elements of a heat exchanger
Official title: {Connecting elements of a heat exchanger}
F24H9/146 (Connecting elements of a heat exchanger) appears on 75 US grants and 99 published applications in this corpus.
Search patents in F24H- Granted patents
- 75
- Published applications
- 99
- Assignees
- 51
- Inventors
- 200
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 4 |
| 2013 | 1 | 8 |
| 2014 | 2 | 6 |
| 2015 | 2 | 3 |
| 2016 | 2 | 7 |
| 2017 | 9 | 5 |
| 2018 | 3 | 6 |
| 2019 | 8 | 10 |
| 2020 | 7 | 9 |
| 2021 | 9 | 11 |
| 2022 | 8 | 3 |
| 2023 | 2 | 6 |
| 2024 | 5 | 7 |
| 2025 | 5 | 9 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat exchanger and hot water apparatus including heat exchanger8 Sep 2026US 12,729,878 B2Noritz Corporation
- Heat exchanger tubes and tube assembly configurations3 Feb 2026US 12,540,755 B2Rheem Manufacturing Company
- Condensation heat exchanger25 Nov 2025US 12,480,724 B2Sermeta
- PTC heater29 Jul 2025US 12,372,271 B2Bestway Inflatables & Materials Corp.
- Air funnel for a heat pump system of a water heater15 Jul 2025US 12,359,845 B1Bradford White Corporation
- Heat Pump Assemblies for Water Heaters9 Apr 2026US 2026/0098659 A1Rheem Manufacturing Company
- Pre-Warmed Potable Water System and Method for Aircraft Galley Appliance Water Heater5 Mar 2026US 2026/0063329 A1The Boeing Company
- Water tank assembly and gas water heater12 Feb 2026US 2026/0043583 A1Guangdong Midea Kitchen and Bath Appliances Mfg. Co., Ltd.
- Air funnel for a heat pump system of a water heater16 Oct 2025US 2025/0321023 A1Bradford White Corporation
- Continuous flow water heater and heating plate for a continuous flow water heater2 Oct 2025US 2025/0311087 A1
Most cited
By later US patents
- Instant hot water heater44US 4,424,767 AEmerson Electric Co. · 1984
- Segregated fired heater33US 10,962,259 B2Uop LLC · 2021
- Gas-fired furnace and intake manifold for low NOx applications20US 8,616,194 B2Trane International Inc. · 2013
- Instant hot water dispenser18US 4,513,887 AEmerson Electric Co. · 1985
- Connecting arrangement for a heating boiler17US 4,242,987 A1981