F28F 19/01
Preventing the formation of deposits or corrosion: by using means for separating
Official title: by using means for separating solid materials from heat-exchange fluids, e.g. filters
F28F19/01 (Preventing the formation of deposits or corrosion: by using means for separating) appears on 136 US grants and 175 published applications in this corpus.
Search patents in F28F- Granted patents
- 136
- Published applications
- 175
- Assignees
- 143
- Inventors
- 454
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 3 |
| 2004 | 2 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 4 |
| 2007 | 3 | 0 |
| 2008 | 1 | 4 |
| 2009 | 2 | 7 |
| 2010 | 2 | 3 |
| 2011 | 0 | 6 |
| 2012 | 1 | 9 |
| 2013 | 6 | 9 |
| 2014 | 2 | 6 |
| 2015 | 7 | 8 |
| 2016 | 3 | 7 |
| 2017 | 8 | 10 |
| 2018 | 5 | 12 |
| 2019 | 8 | 12 |
| 2020 | 6 | 7 |
| 2021 | 10 | 11 |
| 2022 | 6 | 13 |
| 2023 | 5 | 9 |
| 2024 | 12 | 11 |
| 2025 | 12 | 13 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat exchanger water trap9 Jun 2026US 12,650,266 B2Knl Holding HjøRring Aps
- Water processor19 May 2026US 12,631,279 B2Rapid Water Technologies LLC
- Particle separation system upstream of a heat exchanger in a gas turbine engine17 Mar 2026US 12,577,911 B2General Electric Company
- Plate-type heat exchanger inline filter9 Dec 2025US 12,492,870 B2Ykmc, Inc.
- Modular heat exchanger systems7 Oct 2025US 12,434,845 B2The Boeing Company
- Dishwasher27 Aug 2026US 2026/0248361 A1LG Electronics Inc.
- Fluid drain system for filter chamber access in heat rejection unit30 Jul 2026US 2026/0216625 A1Microsoft Technology Licensing, LLC
- Heat exchanger and method for operating a heat exchanger30 Jul 2026US 2026/0218992 A1Huber SE
- Three-dimensional hollow heat exchanger and its applications16 Jul 2026US 2026/0202151 A1Zhejiang Normal University
- Water cooling radiator with built-in filter30 Apr 2026US 2026/0122841 A1Huizhou Kuertai Technology Co., Ltd.
Most cited
By later US patents
- Air intake filter screen assembly34US 7,323,028 B22008
- Bleed-off elimination system and method32US 4,532,045 AWaterScience, Inc. · 1985
- Combined filter and heat exchanger31US 4,878,536 AHypeco AB · 1989
- Radiator fluid filter29US 5,281,331 A1994
- Automotive cooling system filter assembly24US 3,941,697 A1976