E04G 21/241
For temporarily closing door or window openings
Official title: {for temporarily closing door or window openings}
E04G21/241 (For temporarily closing door or window openings) appears on 31 US grants and 38 published applications in this corpus.
Search patents in E04G- Granted patents
- 31
- Published applications
- 38
- Assignees
- 9
- Inventors
- 39
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 3 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 4 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 3 |
| 2022 | 2 | 0 |
| 2023 | 1 | 4 |
| 2024 | 2 | 3 |
| 2025 | 3 | 2 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Enclosure system for building entryway15 Sep 2026US 12,735,908 B2Arconic Technologies LLC
- Self-closing entryway partition8 Sep 2026US 12,729,551 B2Zipwall, LLC
- Segmented closure system21 Apr 2026US 12,607,052 B2Re-U-Zip, LLC
- Segmented closure system10 Mar 2026US 12,571,248 B2Re-U-Zip, LLC
- Corner assembly, a structural frame comprising said corner assembly, and the use of the corner assembly6 Jan 2026US 12,516,532 B2Lasse Ramskov Holding ApS
- Enclosure system for building entryway10 Sep 2026US 2026/0266072 A1Kawneer Company, Inc.
- Segmented closure system25 Jun 2026US 2026/0176916 A1Re-U-Zip, LLC
- Partition mounting systems, partition assembly kits, double-sided adhesive tape and methods of installation and application11 Dec 2025US 2025/0376859 A1Zipwall, LLC
- Self-closing entryway partition13 Mar 2025US 2025/0084653 A1Zipwall, LLC
- Partition mounting systems, partition assembly kits, double-sided adhesive tape and methods of installation and application5 Dec 2024US 2024/0401350 A1Zipwall, LLC
Most cited
By later US patents
- Dust guard mounting44US 5,345,989 A1994
- Apparatus and method for removing structural parts of a building without contaminating adjacent areas44US 5,685,112 A1997
- Bar device for installing a protective sheet over a window33US 5,673,883 A1997
- Modular dust panels for dust barrier installation and method of installing the same24US 9,657,514 B1Zipwall, LLC · 2017
- Shutter anchorage system23US 5,343,668 A1994