F28F 9/187
At least one of the parts being non-metallic
Official title: {at least one of the parts being non-metallic, e.g. heat-sealing plastic elements}
F28F9/187 (At least one of the parts being non-metallic) appears on 34 US grants and 25 published applications in this corpus.
Search patents in F28F- Granted patents
- 34
- Published applications
- 25
- Assignees
- 26
- Inventors
- 68
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 4 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Heat exchanger arrangement, method for producing a heat exchanger arrangement, and internal combustion engine having the heat exchanger arrangement14 Oct 2025US 12,442,601 B2Mann+Hummel GmbH
- Method of manufacturing a solar heat exchanger3 Jan 2023US 11,543,158 B2Aspire Polymers Pty Ltd
- Waste heat recovery systems and methods for a livestock barn21 Jan 2020US 10,537,089 B2Heartland Farm Energy LLC
- Apparatus and process for airheater without quench in carbon black production10 Jan 2017US 9,540,518 B2Anasuya Natarajan
- Plastic heat exchanger and method of manufacturing the same3 Mar 2015US 8,966,757 B2LG Chem.Ltd.
- Apparatus with a thermoplastic tube to tube-sheet joint and associated friction stir based fabrication method3 Oct 2024US 2024/0326344 A1United Arab Emirates University
- Heat Exchanger Arrangement, Method for Producing a Heat Exchanger Arrangement, and Internal Combustion Engine Having the Heat Exchanger Arrangement19 May 2022US 2022/0155030 A1Mann+Hummel GmbH
- Improvements relating to solar heaters2 Dec 2021US 2021/0370563 A1Aspire Polymers Pty Ltd
- Improvements relating to solar water heaters12 Nov 2020US 2020/0355404 A1Aspire Polymers Pty Ltd
- Waste heat recovery systems and methods for a livestock barn26 Mar 2020US 2020/0093089 A1Heartland Farm Energy LLC
Most cited
By later US patents
- Overmolding insert for heat exchanger, process for manufacturing a heat exchanger, and heat exchanger produced thereby51US 6,787,116 B2Aquatherm Industries, Inc. · 2004
- Plastic heat exchanger27US 4,735,261 APlascore, Inc. · 1988
- Heat exchanger and process for its manufacture21US 4,576,223 ASueddeutsche Kuehlerfabrik Julius Fr. Behr GmbH & Co. KG · 1986
- Plastic header tank matrix and method of making same20US 5,865,244 ABehr America, Inc. · 1999
- Auxiliary outside air refrigerating mechanism17US 4,619,114 A1986