E04F 21/0023
For mounting door leaves, window sashes or the like
Official title: {for mounting door leaves, window sashes or the like}
E04F21/0023 (For mounting door leaves, window sashes or the like) appears on 66 US grants and 51 published applications in this corpus.
Search patents in E04F- Granted patents
- 66
- Published applications
- 51
- Assignees
- 23
- Inventors
- 111
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 3 |
| 2010 | 4 | 1 |
| 2011 | 0 | 2 |
| 2012 | 2 | 2 |
| 2013 | 1 | 1 |
| 2014 | 3 | 3 |
| 2015 | 0 | 2 |
| 2016 | 5 | 4 |
| 2017 | 4 | 4 |
| 2018 | 3 | 2 |
| 2019 | 4 | 2 |
| 2020 | 1 | 3 |
| 2021 | 1 | 3 |
| 2022 | 4 | 5 |
| 2023 | 3 | 2 |
| 2024 | 6 | 3 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Self-aligning extension block assemblies14 Oct 2025US 12,440,935 B2Knight Industries & Associates, Inc.
- Adjustable door support and methods of use24 Dec 2024US 12,173,517 B1Masonite Corporation
- Adaptable door mounting support for positioning and installation of door slab and methods of use and assembly thereof10 Dec 2024US 12,163,339 B2Masonite Corporation
- Support bracket for window installation and methods of use26 Nov 2024US 12,152,432 B2Pella Corporation
- Process and system for installing replacement door20 Aug 2024US 12,065,841 B1Masonite Corporation
- Perimeter replication device6 Mar 2025US 2025/0075516 A1JAC Enterprises Ltd.
- Installation features for fenestration units and associated methods17 Oct 2024US 2024/0344335 A1Pella Corporation
- Process and system for installing replacement door5 Sep 2024US 2024/0295130 A1Masonite Corporation
- Self-aligning extension block assemblies1 Feb 2024US 2024/0033866 A1Knight Industries & Associates, Inc.
- Adaptable door mounting support for positioning and installation of door slab and methods of use and assembly thereof25 May 2023US 2023/0160221 A1Masonite Corporation
Most cited
By later US patents