F24F 13/16
Built up of parallelly-movable plates
Official title: built up of parallelly-movable plates
F24F13/16 (Built up of parallelly-movable plates) appears on 42 US grants and 30 published applications in this corpus.
Search patents in F24F- Granted patents
- 42
- Published applications
- 30
- Assignees
- 28
- Inventors
- 119
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 5 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 2 | 4 |
| 2020 | 4 | 5 |
| 2021 | 2 | 3 |
| 2022 | 2 | 2 |
| 2023 | 4 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Damper having a plurality of blade assemblies24 Feb 2026US 12,560,353 B2Aireau Qualite Controle Inc.
- Adjustable vent cover18 Feb 2025US 12,228,307 B2
- Rectangular flanged bubble tight damper28 May 2024US 11,994,314 B2Air Distribution Technologies IP, LLC
- Evaporative personal air cooler with clip9 Apr 2024US 11,953,256 B2Ontel Products Corporation
- Variable flow adapters for air diffusers of HVAC systems12 Sep 2023US 11,752,838 B2Air Distribution Technologies IP, LLC
- Louver and charging device4 Apr 2024US 2024/0110722 A1Komatsu Ltd.
- Hvac unit actuator enclosure20 Jul 2023US 2023/0228450 A1Air Distribution Technologies IP, LLC
- Damper having a plurality of blade assemblies9 Mar 2023US 2023/0074548 A1Aireau Qualite Controle Inc.
- Adjustable Vent Cover22 Sep 2022US 2022/0299236 A1
- Personal Comfort Variable Air Volume Diffuser11 Aug 2022US 2022/0252289 A1Trane International Inc.
Most cited
By later US patents
- Air distribution regulator apparatus36US 3,961,748 AThe Trane Company · 1976
- Thermally powered diffuser24US 6,176,435 B12001
- Air distributor with automatically closable damper21US 4,397,223 ABarber-Colman Company · 1983
- Thermally-powered control mechanism17US 4,509,678 A1985
- Duct pressure synthesis for air distribution system14US 5,167,366 ACarrier Corporation · 1992