F28F 9/165
By using additional preformed parts
Official title: {by using additional preformed parts, e.g. sleeves, gaskets (F28F9/185 takes precedence)}
F28F9/165 (By using additional preformed parts) appears on 99 US grants and 87 published applications in this corpus.
Search patents in F28F- Granted patents
- 99
- Published applications
- 87
- Assignees
- 80
- Inventors
- 251
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 3 |
| 2007 | 2 | 2 |
| 2008 | 0 | 5 |
| 2009 | 3 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 3 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 4 |
| 2016 | 0 | 3 |
| 2017 | 1 | 4 |
| 2018 | 2 | 9 |
| 2019 | 5 | 6 |
| 2020 | 5 | 10 |
| 2021 | 10 | 13 |
| 2022 | 4 | 6 |
| 2023 | 6 | 4 |
| 2024 | 6 | 4 |
| 2025 | 2 | 0 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tubular membrane heat exchanger12 May 2026US 12,624,897 B2Baltimore Aircoil Company, Inc.
- Tubular membrane heat exchanger6 Jan 2026US 12,516,886 B2Baltimore Aircoil Company, Inc.
- Connector16 Dec 2025US 12,498,185 B2A. Raymond Et Cie
- Header tank assembly5 Aug 2025US 12,379,167 B2Valeo Autosystemy Sp. z o.o.
- Tube heat exchanger using 3-tube bundles26 Nov 2024US 12,152,839 B2Rtx Corporation
- Heat Exchanger That Has A Mechanical Connection Between The Tank And The Base27 Aug 2026US 2026/0251407 A1Mahle International GmbH
- Heat exchanger having multiple tubes9 Jul 2026US 2026/0194315 A1Arvos GmbH
- Radiator header assembly for a vehicle25 Jun 2026US 2026/0177331 A1Volvo Truck Corporation
- Conduit and inner base plate for a heat exchanger, associated heat exchanger, aircraft and method of vaporizing a working fluid19 Mar 2026US 2026/0078963 A1Airbus Operations GmbH
- Shell and tube heat exchangers22 Jan 2026US 2026/0022892 A1Enaxiom Pty Ltd.
Most cited
By later US patents
- Device for connecting a tube and a sheet metal element39US 4,597,687 A1986
- Hot air furnace with improved heat exchanger construction27US 3,940,837 AThe Singer Company · 1976
- Device for tightly assembling a collector and a water box in heat exchanger26US 4,401,157 AValeo · 1983
- Modular heat exchanger having a brazed core and method for forming26US 7,234,511 B12007
- Flow through tube plug24US 7,252,138 B2Rohm and Haas Company · 2007