F28F 19/008
Preventing the formation of deposits or corrosion: by using scrapers
Official title: {by using scrapers}
F28F19/008 (Preventing the formation of deposits or corrosion: by using scrapers) appears on 109 US grants and 63 published applications in this corpus.
Search patents in F28F- Granted patents
- 109
- Published applications
- 63
- Assignees
- 86
- Inventors
- 171
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 2 | 2 |
| 2003 | 1 | 2 |
| 2004 | 3 | 2 |
| 2005 | 2 | 7 |
| 2006 | 1 | 3 |
| 2007 | 4 | 1 |
| 2008 | 2 | 4 |
| 2009 | 1 | 4 |
| 2010 | 4 | 2 |
| 2011 | 0 | 1 |
| 2012 | 3 | 1 |
| 2013 | 2 | 1 |
| 2014 | 0 | 3 |
| 2015 | 1 | 3 |
| 2016 | 2 | 5 |
| 2017 | 0 | 2 |
| 2018 | 6 | 6 |
| 2019 | 5 | 3 |
| 2020 | 1 | 2 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 3 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Heat exchanger for use in cooling liquids31 Jan 2023US 11,566,830 B2Icegen Patent Corp.
- Systems and methods of using cleaning robots for removing deposits from heat exchange surfaces of boilers and heat exchangers10 Jan 2023US 11,549,766 B2Sidel Global Environmental LLC
- Wastewater heat exchanger27 Aug 2026US 2026/0251411 A1
- Evaportation systems including electroplated heat exchangers and methods for manufacturing the same4 Dec 2025US 2025/0369709 A1Circle Verde Water Corporation
- Heat exchanger1 Aug 2024US 2024/0252950 A1Nippon Shokubai Co., Ltd.
- System and method for hydrothermal carbonization20 Jun 2024US 2024/0199967 A1Gregio Energie AG
- Heat exchanger and use of heat exchanger2 Nov 2023US 2023/0349642 A1Ireliemar B.V.
Most cited
By later US patents
- Apparatus for extracting solid residue from a fluid by evaporation57US 5,810,975 ASirven · 1998
- Freezer with inner core54US 5,419,150 AFood Systems Partnership, Ltd. · 1995
- Dual scraped surface heat exchanger40US 4,126,177 AChemetron Corporation · 1978
- Ice making machine37US 4,796,441 ASunwell Engineering Company Limited · 1989
- Refrigerated mixing chamber and method for making same37US 5,799,726 A1998