F28F 25/04
Distributing or accumulator troughs
F28F25/04 (Distributing or accumulator troughs) appears on 128 US grants and 113 published applications in this corpus.
Search patents in F28F- Granted patents
- 128
- Published applications
- 113
- Assignees
- 79
- Inventors
- 231
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 3 |
| 2006 | 2 | 2 |
| 2007 | 2 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 3 |
| 2012 | 0 | 1 |
| 2013 | 1 | 3 |
| 2014 | 2 | 5 |
| 2015 | 3 | 7 |
| 2016 | 2 | 7 |
| 2017 | 10 | 12 |
| 2018 | 7 | 12 |
| 2019 | 11 | 12 |
| 2020 | 15 | 8 |
| 2021 | 9 | 9 |
| 2022 | 9 | 7 |
| 2023 | 6 | 5 |
| 2024 | 6 | 6 |
| 2025 | 3 | 2 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Evaporator2 Jul 2026US 2026/0185192 A1Tyco Fire & Security GmbH
- Modular cooling tower and method of assembling the same7 May 2026US 2026/0126253 A1Spx Cooling Tech, LLC
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Most cited
By later US patents
- Liquid distributor assembly for packed tower48US 4,909,967 AGlitsch, Inc. · 1990
- Liquid distribution device in liquid-vapor contact apparatus32US 4,267,978 A1981
- Cooling tower with concrete support structure, fiberglass panels, and a fan supported by the liquid distribution system30US 4,543,218 ACeramic Cooling Tower Company · 1985
- Drainage collection system29US 4,521,350 AMunters Corporation · 1985
- Liquid distributor28US 5,906,773 ANorton Company · 1999