F25B 47/003
Arrangements for preventing or removing deposits or corrosion, not provided for in
Official title: {for preventing corrosion}
F25B47/003 (Arrangements for preventing or removing deposits or corrosion, not provided for in) appears on 56 US grants and 43 published applications in this corpus.
Search patents in F25B- Granted patents
- 56
- Published applications
- 43
- Assignees
- 41
- Inventors
- 177
- Latest grant
- 7 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 1 |
| 2002 | 2 | 4 |
| 2003 | 3 | 5 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 4 |
| 2017 | 1 | 4 |
| 2018 | 3 | 4 |
| 2019 | 6 | 1 |
| 2020 | 0 | 2 |
| 2021 | 2 | 1 |
| 2022 | 0 | 4 |
| 2023 | 2 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Modular tube bundle heat exchanger and geothermal heat pump system73US 5,224,357 AUnited States Power Corporation · 1993
- Heat transfer system51US 5,802,864 APeregrine Industries, Inc. · 1998
- Heat transfer system39US 6,253,564 B1Peregrine Industries, Inc. · 2001
- Absorption refrigeration and heat pump system36US 4,646,541 AColumbia Gas System Service Corporation · 1987
- Hermetically circulating, absorption type refrigerator26US 4,311,024 AHitachi, Ltd. · 1982