E06B 3/26
Compound frames, i.e. one frame within or behind another
Official title: Compound frames, i.e. one frame within or behind another (E06B3/28 takes precedence; arrangements of movable frames E06B3/32)
E06B3/26 (Compound frames, i.e. one frame within or behind another) appears on 164 US grants and 170 published applications in this corpus.
Search patents in E06B- Granted patents
- 164
- Published applications
- 170
- Assignees
- 105
- Inventors
- 369
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 3 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 1 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 5 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 3 | 5 |
| 2014 | 4 | 6 |
| 2015 | 5 | 7 |
| 2016 | 3 | 8 |
| 2017 | 7 | 13 |
| 2018 | 12 | 5 |
| 2019 | 10 | 12 |
| 2020 | 10 | 13 |
| 2021 | 10 | 15 |
| 2022 | 7 | 17 |
| 2023 | 17 | 19 |
| 2024 | 15 | 7 |
| 2025 | 9 | 12 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Window insert, insert kit, and methods21 Jul 2026US 12,687,065 B2
- Hybrid window frame assembly with improved corner seals26 May 2026US 12,637,897 B2Fenplast Inc.
- Multifunctional vehicle storage compartment door31 Mar 2026US 12,589,815 B2
- Double-skin façade element20 Jan 2026US 12,529,231 B2Prof. Michael Lange Ingenieurgesellschaft Mbh
- Security panel mounting system11 Nov 2025US 12,467,312 B2
- System and Method for Constructing Window and Door Frames17 Sep 2026US 2026/0275800 A1Everest Shpk
- Snap-Together Fire Resistant Fenestration Frame Apparatus10 Sep 2026US 2026/0266124 A1O'Keeffe's, Inc.
- Combination window screen and storm window6 Aug 2026US 2026/0226787 A1GMW, Inc., dba, Green Mountain Window
- Door and door jamb assembly6 Aug 2026US 2026/0226788 A1
- Multifunctional vehicle storage compartment door7 May 2026US 2026/0125118 A1
Most cited
By later US patents
- Exterior window unit having adapter sill member81US 4,048,774 AYoshida Kogyo K. K. · 1977
- Fire rated door and fire rated window75US 6,606,831 B2Dorma GmbH + Co. KG · 2003
- Breakout sliding door system with pivoting rod51US 10,280,678 B1Landert Motoren AG · 2019
- Interior storm window construction50US 4,160,348 AMinnesota Mining and Manufacturing Company · 1979
- Apparatus having frame separate from gate41US 9,874,055 B1Regalo International, LLC · 2018