F28F 19/02
Preventing the formation of deposits or corrosion: by using coatings
Official title: by using coatings, e.g. vitreous or enamel coatings
F28F19/02 (Preventing the formation of deposits or corrosion: by using coatings) appears on 659 US grants and 735 published applications in this corpus.
Search patents in F28F- Granted patents
- 659
- Published applications
- 735
- Assignees
- 463
- Inventors
- 1,989
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 8 | 0 |
| 1984 | 10 | 0 |
| 1985 | 12 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 10 | 0 |
| 1989 | 8 | 0 |
| 1990 | 9 | 0 |
| 1991 | 10 | 0 |
| 1992 | 11 | 0 |
| 1993 | 12 | 0 |
| 1994 | 12 | 0 |
| 1995 | 1 | 0 |
| 1996 | 8 | 0 |
| 1997 | 10 | 0 |
| 1998 | 16 | 0 |
| 1999 | 11 | 0 |
| 2000 | 10 | 0 |
| 2001 | 21 | 6 |
| 2002 | 12 | 21 |
| 2003 | 18 | 22 |
| 2004 | 11 | 19 |
| 2005 | 10 | 15 |
| 2006 | 8 | 35 |
| 2007 | 10 | 30 |
| 2008 | 9 | 25 |
| 2009 | 8 | 26 |
| 2010 | 12 | 39 |
| 2011 | 9 | 24 |
| 2012 | 24 | 27 |
| 2013 | 21 | 31 |
| 2014 | 15 | 39 |
| 2015 | 22 | 36 |
| 2016 | 19 | 30 |
| 2017 | 20 | 41 |
| 2018 | 25 | 40 |
| 2019 | 35 | 39 |
| 2020 | 24 | 37 |
| 2021 | 23 | 27 |
| 2022 | 32 | 30 |
| 2023 | 18 | 32 |
| 2024 | 23 | 25 |
| 2025 | 19 | 25 |
| 2026 | 12 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Composite coating film, heat exchanger comprising same, and method for manufacturing heat exchanger25 Aug 2026US 12,716,662 B2LG Electronics Inc.
- Coating composition, coating film, and micro channel type heat exchanger using the same25 Aug 2026US 12,716,663 B2LG Electronics Inc.
- Amphiphilic minichannel surface structures to enhance heat transfer coefficient11 Aug 2026US 12,704,333 B2Drexel University
- Heat exchanger with corrosion reducing sacrificial component21 Jul 2026US 12,687,348 B2Valeo Autosystemy Sp. z o.o.
- Heat pipes and vapor chambers manufactured using a vacuum process9 Jun 2026US 12,650,268 B2Meta Platform Technologies, LLC
- Apparatus, System and Method for Heat Exchanger End Plate Erosion Resistance13 Aug 2026US 2026/0235371 A1Westermeyer Industries Inc.
- Heat exchanger and air handling unit6 Aug 2026US 2026/0227140 A1Daikin Industries, Ltd.
- Printed circuit heat exchanger and methods of fabricating same30 Jul 2026US 2026/0216815 A1GE Vernova Infrastructure Technology LLC
- Heat Exchanger Flat Tube, Heat Exchanger Flat Tube Assembly and Heat Exchanger30 Jul 2026US 2026/0218994 A1Zhejiang Dunan Artificial Environment Co., Ltd.
- Heat exchanger and air conditioner comprising same23 Jul 2026US 2026/0210648 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Protective metal oxide films on metal or alloy substrate surfaces susceptible to coking, corrosion or catalytic activity105US 4,297,150 AThe British Petroleum Company p.l.c. · 1981
- Fuel cell cooling system82US 3,964,930 AUnited Technologies Corporation · 1976
- Coated articles and method for the prevention of fuel thermal degradation deposits80US 5,805,973 AGeneral Electric Company · 1998
- Antifouling member and antifouling coating composition69US 6,337,129 B12002
- Multi-layered anti-coking heat resisting metal tube and the method for manufacturing thereof52US 6,337,459 B12002