E04B 9/02
Ceilings: having means for ventilation or vapour discharge
Official title: having means for ventilation or vapour discharge
E04B9/02 (Ceilings: having means for ventilation or vapour discharge) appears on 195 US grants and 131 published applications in this corpus.
Search patents in E04B- Granted patents
- 195
- Published applications
- 131
- Assignees
- 117
- Inventors
- 302
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 11 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 8 | 0 |
| 2002 | 4 | 4 |
| 2003 | 5 | 5 |
| 2004 | 3 | 4 |
| 2005 | 3 | 0 |
| 2006 | 4 | 1 |
| 2007 | 2 | 4 |
| 2008 | 1 | 3 |
| 2009 | 1 | 6 |
| 2010 | 3 | 3 |
| 2011 | 2 | 2 |
| 2012 | 4 | 3 |
| 2013 | 3 | 3 |
| 2014 | 4 | 6 |
| 2015 | 6 | 9 |
| 2016 | 5 | 5 |
| 2017 | 3 | 10 |
| 2018 | 7 | 7 |
| 2019 | 6 | 13 |
| 2020 | 7 | 6 |
| 2021 | 10 | 9 |
| 2022 | 8 | 10 |
| 2023 | 4 | 6 |
| 2024 | 6 | 5 |
| 2025 | 4 | 4 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ceiling FAÇADE system5 May 2026US 12,618,237 B2Cover Technologies, Inc.
- Airframe system and method of controlling airflow27 Jan 2026US 12,533,206 B2SLD Technology, Inc.
- Ventilated structural panels and method of construction with ventilated structural panels30 Dec 2025US 12,509,881 B2
- Combination mobile built-in air flow mechanism and LED kill chamber15 Jul 2025US 12,357,721 B1Go Fan Yourself, LLC
- Ceiling grid lighting assembly with two linear lighting modules and a configurable, functional gap27 May 2025US 12,312,806 B2Fusion Optix, Inc.
- Airframe system and method of controlling airflow8 Oct 2026US 2026/0306210 A1SLD Technology, Inc.
- Ventilated structural panels and method of construction with ventilated structural panels6 Aug 2026US 2026/0226740 A1
- Magnetic leak diverter25 Jun 2026US 2026/0176867 A1
- Architectural fixture connection system6 Nov 2025US 2025/0341093 A1Arktura LLC
- Combination mobile built-in air flow mechanism and led kill chamber9 Oct 2025US 2025/0312507 A1Go Fan Yourself, LLC
Most cited
By later US patents
- Wall panel assembly and method of assembly123US 6,799,404 B2Daw Technologies, Inc. · 2004
- Flow control apparatus and air filters63US 3,986,850 AFlanders Filters, Inc. · 1976
- Clean room ventilation system63US 5,454,756 APace Incorporated · 1995
- Clean room ceiling construction56US 5,033,247 A1991
- False-ceiling construction and method for the flow of air in connection with a false-ceiling construction55US 5,312,296 AHalton Oy · 1994