F28F 25/08
Splashing boards or grids
Official title: Splashing boards or grids, e.g. for converting liquid sprays into liquid films; Elements or beds for increasing the area of the contact surface (packing elements per se B01J19/30, B01J19/32)
F28F25/08 (Splashing boards or grids) appears on 329 US grants and 188 published applications in this corpus.
Search patents in F28F- Granted patents
- 329
- Published applications
- 188
- Assignees
- 150
- Inventors
- 502
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 8 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 9 | 0 |
| 1985 | 15 | 0 |
| 1986 | 8 | 0 |
| 1987 | 13 | 0 |
| 1988 | 9 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 9 | 0 |
| 1992 | 13 | 0 |
| 1993 | 10 | 0 |
| 1994 | 9 | 0 |
| 1995 | 10 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 1 |
| 2002 | 2 | 3 |
| 2003 | 6 | 8 |
| 2004 | 2 | 5 |
| 2005 | 5 | 5 |
| 2006 | 2 | 3 |
| 2007 | 4 | 7 |
| 2008 | 1 | 2 |
| 2009 | 3 | 5 |
| 2010 | 2 | 5 |
| 2011 | 3 | 5 |
| 2012 | 3 | 7 |
| 2013 | 3 | 7 |
| 2014 | 9 | 9 |
| 2015 | 7 | 11 |
| 2016 | 7 | 12 |
| 2017 | 5 | 8 |
| 2018 | 5 | 7 |
| 2019 | 12 | 8 |
| 2020 | 5 | 7 |
| 2021 | 2 | 13 |
| 2022 | 19 | 16 |
| 2023 | 12 | 10 |
| 2024 | 10 | 11 |
| 2025 | 4 | 8 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Plate-fin heat exchanger24 Feb 2026US 12,560,384 B2Blue Frontier Inc.
- Packing sheet, packing module and cooling tower30 Sep 2025US 12,429,294 B2Shandong Beno Cooling Equipment Co., Ltd.
- Cooling tower23 Sep 2025US 12,419,661 B2Aggreko, LLC
- Air-cooled heat exchangers and evaporative cooling assemblies2 Jul 2026US 2026/0185752 A1Tyco Fire & Security GmbH
- Plate-fin heat exchanger4 Jun 2026US 2026/0153288 A1Blue Frontier Inc.
- Modular cooling tower and method of assembling the same7 May 2026US 2026/0126253 A1Spx Cooling Tech, LLC
- Packing sheet, packing module and cooling tower26 Mar 2026US 2026/0085900 A1Shandong Beno Cooling Equipment Co., Ltd.
- Multi-Mode Adiabatic Cooling System with Deluge Feature5 Mar 2026US 2026/0063380 A1
Most cited
By later US patents
- Packing element for an exchange column128US 4,296,050 ASulzer Brothers Limited · 1981
- Tower packing material and method91US 4,604,247 AGlitsch, Inc. · 1986
- Method of and apparatus for intermediate lamella vapor liquid contact83US 4,597,916 AGlitsch, Inc. · 1986
- Packing element75US 5,304,423 ANorton Chemical Process Products Corporation · 1994
- Combination direct and indirect closed circuit evaporative heat exchanger72US 5,435,382 ABaltimore Aircoil Company, Inc. · 1995