F28F 2025/005
Liquid collection
Official title: {Liquid collection; Liquid treatment; Liquid recirculation; Addition of make-up liquid}
F28F2025/005 (Liquid collection) appears on 109 US grants and 143 published applications in this corpus.
Search patents in F28F- Granted patents
- 109
- Published applications
- 143
- Assignees
- 74
- Inventors
- 257
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 4 | 3 |
| 2004 | 0 | 1 |
| 2005 | 0 | 3 |
| 2006 | 3 | 1 |
| 2007 | 1 | 3 |
| 2008 | 1 | 4 |
| 2009 | 0 | 1 |
| 2010 | 2 | 2 |
| 2011 | 0 | 5 |
| 2012 | 2 | 3 |
| 2013 | 2 | 7 |
| 2014 | 1 | 3 |
| 2015 | 3 | 4 |
| 2016 | 3 | 6 |
| 2017 | 6 | 16 |
| 2018 | 8 | 11 |
| 2019 | 9 | 7 |
| 2020 | 14 | 10 |
| 2021 | 6 | 9 |
| 2022 | 7 | 10 |
| 2023 | 6 | 12 |
| 2024 | 10 | 9 |
| 2025 | 6 | 5 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid collector25 Aug 2026US 12,714,959 B2Baltimore Aircoil Company, Inc.
- Heat pump system17 Mar 2026US 12,578,129 B2Tyco Fire & Security GmbH
- Cooling tower having thermally managed motor27 Jan 2026US 12,537,420 B2Prime Datum Development Company, LLC
- Method for cleaning an evaporative humidifier and cooler apparatus and a system comprising an evaporative humidifier and cooler apparatus21 Oct 2025US 12,449,146 B2Munters Europe Aktiebolag
- Cooling tower23 Sep 2025US 12,419,661 B2Aggreko, LLC
- Adiabatic cooler with control system for water and energy use reduction17 Sep 2026US 2026/0276273 A1Spx Cooling Tech, LLC
- Adiabatic cooler with control system for water and energy use reduction17 Sep 2026US 2026/0276274 A1Spx Cooling Tech, LLC
- Heat Exchange Assembly for Hydrogenation Device, and Heat Exchange Process11 Jun 2026US 2026/0160498 A1Zhenhai Petrochemical Jianan Engineering Co., Ltd.
- Cooling tower having thermally managed motor4 Jun 2026US 2026/0155707 A1Prime Datum Development Company, LLC
- Modular cooling tower and method of assembling the same7 May 2026US 2026/0126253 A1Spx Cooling Tech, LLC
Most cited
By later US patents
- Continuous on-stream monitoring of cooling tower water82US 4,992,380 ANalco Chemical Company · 1991
- Method and apparatus for treating water in a cooling system80US 5,145,585 A1992
- Cooling tower system71US 4,931,187 AKlenzoid, Inc. · 1990
- Indexing controller system and method of automatic control of cooling water tower systems53US 4,464,315 ABetz Entec, Inc. · 1984
- Cooling water supply system and method40US 10,670,340 B2Ormat Technologies, Inc. · 2020