F28C 1/12
Arrangements for preventing clogging by frost
F28C1/12 (Arrangements for preventing clogging by frost) appears on 11 US grants and 9 published applications in this corpus.
Search patents in F28C- Granted patents
- 11
- Published applications
- 9
- Assignees
- 10
- Inventors
- 30
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 3 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems, methods and devices for cooling tower maintenance and repair4 Aug 2026US 12,698,941 B2
- Heat reclamation system within a cooling tower for a manufacturing facility25 Nov 2025US 12,480,666 B2
- Packing sheet, packing module and cooling tower30 Sep 2025US 12,429,294 B2Shandong Beno Cooling Equipment Co., Ltd.
- Components (air inlet louver panels) for cooling water management systems19 Aug 2025US 12,392,568 B1Tower Guard, LLC
- Cooling tower water diversion system and method2 Aug 2022US 11,402,164 B2Mid-American Gunite, Inc.
- Components (air inlet louver panels) for cooling water management systems30 Apr 2026US 2026/0118074 A1
- Packing sheet, packing module and cooling tower26 Mar 2026US 2026/0085900 A1Shandong Beno Cooling Equipment Co., Ltd.
- Systems, methods and devices for cooling tower maintenance and repair9 Jan 2025US 2025/0012508 A1
- Louvers for cooling tower, cooling tower systems, and methods of preventing cooling tower from freezing19 Sep 2024US 2024/0310132 A1Inner Mongolia Helin Power Generation Co., Ltd.
- Heat reclamation system within a cooling tower for a manufacturing facility29 Feb 2024US 2024/0068674 A1
Most cited
By later US patents
- Deicing apparatus for water cooling towers including slotted distribution basin and selectively actuatable valve mechanism8US 4,048,265 AThe Marley Company · 1977
- Fan-assisted wet cooling tower and method of reducing liquid loss8US 7,210,671 B2Knight Piésold Energy Inc. · 2007
- Selectively controllable water curtain damper for inlet face of circular water cooling tower5US 4,129,625 AThe Marley Company · 1978
- Cooling tower wind wall system1US 10,794,643 B2Baltimore Aircoil Company, Inc. · 2020
- Ice preventing apparatus and method for gas and liquid contact means of an atmospheric cooling tower1US 4,380,517 AHamon-Sobelco, S.A. · 1983