F28C 1/04
Direct-contact trickle coolers: with cross-current only
Official title: with cross-current only
F28C1/04 (Direct-contact trickle coolers: with cross-current only) appears on 97 US grants and 77 published applications in this corpus.
Search patents in F28C- Granted patents
- 97
- Published applications
- 77
- Assignees
- 53
- Inventors
- 172
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 2 | 6 |
| 2010 | 1 | 2 |
| 2011 | 2 | 1 |
| 2012 | 0 | 3 |
| 2013 | 1 | 3 |
| 2014 | 4 | 4 |
| 2015 | 3 | 4 |
| 2016 | 1 | 6 |
| 2017 | 5 | 8 |
| 2018 | 3 | 4 |
| 2019 | 8 | 4 |
| 2020 | 5 | 3 |
| 2021 | 2 | 6 |
| 2022 | 6 | 3 |
| 2023 | 2 | 5 |
| 2024 | 4 | 2 |
| 2025 | 2 | 2 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat transfer apparatus and method21 Apr 2026US 12,607,414 B2Baltimore Aircoil Company, Inc.
- Induced draft heat rejection equipment with top mounted backward-curved centrifugal fans18 Nov 2025US 12,474,120 B2Evapco, Inc.
- Cooling tower23 Sep 2025US 12,419,661 B2Aggreko, LLC
- Capturing carbon dioxide12 Nov 2024US 12,138,587 B2Carbon Engineering ULC
- Heat dissipation systems with hygroscopic working fluid3 Sep 2024US 12,078,385 B2Energy & Environmental Research Center Foundation
- Microstructure for a fill sheet13 Aug 2026US 2026/0233191 A1Brentwood Industries, Inc.
- Heat transfer apparatus and method23 Jul 2026US 2026/0210645 A1Baltimore Aircoil Company, Inc.
- Induced draft heat rejection equipment with top mounted backward-curved centrifugal fans25 Jun 2026US 2026/0177323 A1Evapco, Inc.
- Electrostatically Charged Drift Eliminators to Remove Liquid Droplets From An Air Flow21 May 2026US 2026/0139907 A1
- Evaporative media7 Aug 2025US 2025/0251196 A1Munters Corporation
Most cited
By later US patents
- Cooling pad system48US 4,031,180 AAcme Eng. & Mfg. Corporation · 1977
- Cooling system43US 8,783,053 B2Mcnnnac Energy Services Inc. · 2014
- Crossflow water cooling tower having structure allowing air flow through water distribution system38US 6,070,860 AThe Marley Cooling Tower Company · 2000
- Film fill-pack for inducement of spiraling gas flow in heat and mass transfer contact apparatus with self-spacing fill-sheets33US 6,260,830 B1Baltimore Aircoil Company, Inc. · 2001
- Evaporative cooler with superimposed disposable pad assemblies31US 4,045,523 A1977