F24F 8/117
Using wet filtering
Official title: using wet filtering
F24F8/117 (Using wet filtering) appears on 186 US grants and 236 published applications in this corpus.
Search patents in F24F- Granted patents
- 186
- Published applications
- 236
- Assignees
- 129
- Inventors
- 498
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 4 |
| 2004 | 2 | 6 |
| 2005 | 4 | 7 |
| 2006 | 3 | 11 |
| 2007 | 2 | 2 |
| 2008 | 5 | 13 |
| 2009 | 4 | 5 |
| 2010 | 7 | 3 |
| 2011 | 5 | 9 |
| 2012 | 1 | 4 |
| 2013 | 8 | 8 |
| 2014 | 7 | 5 |
| 2015 | 1 | 6 |
| 2016 | 12 | 8 |
| 2017 | 4 | 7 |
| 2018 | 4 | 9 |
| 2019 | 6 | 17 |
| 2020 | 9 | 20 |
| 2021 | 14 | 22 |
| 2022 | 12 | 15 |
| 2023 | 12 | 29 |
| 2024 | 9 | 9 |
| 2025 | 12 | 10 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Airborn pathogen disenfecting system with interchangeable filters for an HVAC system18 Aug 2026US 12,710,198 B2
- Systems, methods, and apparatuses for disinfection and decontamination16 Jun 2026US 12,653,193 B2Chorus, LLC
- Space purification device7 Apr 2026US 12,595,921 B2Panasonic Intellectual Property Management Co., Ltd.
- Systems, methods, and apparatuses for disinfection and decontamination31 Mar 2026US 12,588,679 B2Chorus, LLC
- Systems, methods, and apparatuses for disinfection and decontamination17 Mar 2026US 12,575,572 B2Chorus, LLC
- An apparatus for ventilating an environment24 Sep 2026US 2026/0287189 A1Earthonomic Ecosolutions Private Limited
- System to Remove Food Particles from Air Stream27 Aug 2026US 2026/0251326 A1MP Equipment, LLC
- Air humidifier9 Jul 2026US 2026/0194243 A1Shenzhen Antop Technology Limited
- Humidifying and filtering floor register with child-safe design for hvac systems7 May 2026US 2026/0126207 A1Platsun Inc.
- Air purification device12 Feb 2026US 2026/0041807 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Air purification system and method100US 7,077,892 B22006
- Methods and systems for managing air quality and energy use in air-conditioning systems50US 9,328,936 B2Enverid Systems, Inc. · 2016
- Heating, ventilation and air conditioning unit with automatically controlled water spray air purification system48US 5,389,120 A1995
- Rotating element fume collection apparatus48US 5,888,261 A1999
- Air cleaning apparatus and method for cleaning air47US 6,843,835 B2The Procter & Gamble Company · 2005