F24F 13/068
Formed as perforated walls, ceilings or floors
Official title: formed as perforated walls, ceilings or floors (F24F13/078 takes precedence)
F24F13/068 (Formed as perforated walls, ceilings or floors) appears on 155 US grants and 120 published applications in this corpus.
Search patents in F24F- Granted patents
- 155
- Published applications
- 120
- Assignees
- 106
- Inventors
- 355
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 8 | 0 |
| 2001 | 6 | 0 |
| 2002 | 3 | 1 |
| 2003 | 3 | 2 |
| 2004 | 2 | 4 |
| 2005 | 4 | 2 |
| 2006 | 0 | 5 |
| 2007 | 0 | 4 |
| 2008 | 1 | 4 |
| 2009 | 2 | 2 |
| 2010 | 0 | 3 |
| 2011 | 0 | 3 |
| 2012 | 0 | 4 |
| 2013 | 2 | 7 |
| 2014 | 2 | 3 |
| 2015 | 3 | 5 |
| 2016 | 4 | 2 |
| 2017 | 3 | 6 |
| 2018 | 0 | 6 |
| 2019 | 4 | 11 |
| 2020 | 5 | 10 |
| 2021 | 11 | 5 |
| 2022 | 9 | 11 |
| 2023 | 6 | 8 |
| 2024 | 4 | 8 |
| 2025 | 4 | 2 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Anti-microbial filter18 Aug 2026US 12,708,690 B2Acell Industries Limited
- Gas ventilation enclosure, system, and method14 Apr 2026US 12,601,520 B2
- Air conditioning systems for rooms31 Mar 2026US 12,590,718 B2
- Displacement diffuser25 Nov 2025US 12,480,682 B2Air Distribution Technologies IP, LLC
- Combination mobile built-in air flow mechanism and LED kill chamber15 Jul 2025US 12,357,721 B1Go Fan Yourself, LLC
- Reconfigurable air diffusers and systems and methods thereof17 Sep 2026US 2026/0276237 A1Clean Room Design d.o.o.
- Air conditioner12 Mar 2026US 2026/0071764 A1Samsung Electronics Co., Ltd.
- Combination mobile built-in air flow mechanism and led kill chamber9 Oct 2025US 2025/0312507 A1Go Fan Yourself, LLC
- Air flow distribution apparatus and method26 Jun 2025US 2025/0207807 A1
- Building ventilation system14 Nov 2024US 2024/0377098 A1
Most cited
By later US patents
- Climate control apparatus85US 4,874,127 A1989
- Air deflecting means for use with air outlets defined in dropped ceiling constructions79US 4,693,174 A1987
- Frame to support a deflated fabric air duct79US 6,280,320 B1Rite-Hite Holding Corporation · 2001
- Heat distributor for suspended ceilings69US 4,730,551 A1988
- Clean air zone for surgical purposes67US 4,009,647 AHoworth Air Engineering Limited · 1977