E04H 5/12
Cooling towers
E04H5/12 (Cooling towers) appears on 82 US grants and 54 published applications in this corpus.
Search patents in E04H- Granted patents
- 82
- Published applications
- 54
- Assignees
- 54
- Inventors
- 175
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 0 | 2 |
| 2015 | 3 | 4 |
| 2016 | 1 | 2 |
| 2017 | 3 | 12 |
| 2018 | 2 | 3 |
| 2019 | 5 | 6 |
| 2020 | 4 | 3 |
| 2021 | 4 | 1 |
| 2022 | 4 | 3 |
| 2023 | 0 | 3 |
| 2024 | 2 | 2 |
| 2025 | 2 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System for accessing and/or allowing safe movement on a unit mounted on a structural support20 May 2025US 12,305,411 B2Hoffman & Hoffman, Ltd.
- Modular cooling tower structure, design, and method of assembly18 Feb 2025US 12,227,964 B2Marmon Industrial Water LLC
- Cooling tower fan cylinder17 Dec 2024US 12,168,886 B2Evaptech, Inc.
- Customizable facility2 Jan 2024US 11,859,403 B2Lonza Ltd.
- Cooling tower fan cylinder13 Dec 2022US 11,525,276 B2Evaptech, Inc.
- Cold box and method of assembly27 Aug 2026US 2026/0251388 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Geothermal power cycle using eahe (earth air heat exchanger)16 Jul 2026US 2026/0202100 A1Ege üNiversitesi Idari Ve Mali Isler Daire Bsk.
- Cooling tower fan cylinder9 Oct 2025US 2025/0314091 A1Evaptech, Inc.
- Modular cooling tower structure, design, and method of assembly8 May 2025US 2025/0146317 A1Marmon Industrial Water LLC
- Modular cooling tower structure, design, and method of assembly1 Aug 2024US 2024/0254797 A1Marmon Industrial Water LLC
Most cited
By later US patents
- Multiple purpose panel for cooling towers35US 5,811,035 AThe Marley Cooling Tower Company · 1998
- 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
- Rigid cooling tower29US 5,851,446 ABaltimore Aircoil Company, Inc. · 1998
- Cooling tower, construction method therefor and precast prestressed concrete building units26US 4,092,811 AT. Y. Lin International · 1978
- Rigid cooling tower and method of constructing a cooling tower26US 5,902,522 ABaltimore Aircoil Company, Inc. · 1999