E06B 3/22
Hollow frames
Official title: Hollow frames {(E06B3/205 takes precedence)}
E06B3/22 (Hollow frames) appears on 189 US grants and 154 published applications in this corpus.
Search patents in E06B- Granted patents
- 189
- Published applications
- 154
- Assignees
- 123
- Inventors
- 362
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 3 |
| 2002 | 5 | 4 |
| 2003 | 2 | 5 |
| 2004 | 6 | 6 |
| 2005 | 6 | 3 |
| 2006 | 0 | 5 |
| 2007 | 1 | 2 |
| 2008 | 0 | 3 |
| 2009 | 0 | 3 |
| 2010 | 0 | 8 |
| 2011 | 2 | 4 |
| 2012 | 2 | 2 |
| 2013 | 5 | 4 |
| 2014 | 6 | 6 |
| 2015 | 2 | 7 |
| 2016 | 5 | 0 |
| 2017 | 5 | 7 |
| 2018 | 5 | 6 |
| 2019 | 2 | 6 |
| 2020 | 10 | 15 |
| 2021 | 8 | 12 |
| 2022 | 7 | 7 |
| 2023 | 11 | 14 |
| 2024 | 8 | 12 |
| 2025 | 6 | 7 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Selective placement of advanced composites in extruded articles and building components15 Sep 2026US 12,735,937 B2Andersen Corporation
- Coastal weather window and door system with interior mounting assembly18 Aug 2026US 12,709,942 B2Hawkes Design and Consulting, LLC
- Method and device for welding at least two profiled sections for window or door frames or leaves7 Jul 2026US 12,674,352 B2Rotox Holding GmbH
- Window or door, and building wall comprising said window or door31 Mar 2026US 12,590,489 B2Rehau Industries SE & Co. KG
- Coastal impact resistant fenestrations including corner key with overlap geometry17 Mar 2026US 12,577,828 B2Andersen Corporation
- Window security system4 Jun 2026US 2026/0152995 A1Neeseberry, LLC
- Sash tilt bolt and checkrail bracket systems for coastal impact resistant fenestrations30 Apr 2026US 2026/0117570 A1Andersen Corporation
- Hollow chamber profile for a window or door and frame assembly comprising the same30 Apr 2026US 2026/0117577 A1
- Fenestration unit with two-part frame21 Aug 2025US 2025/0263969 A1JELD-WEN, Inc.
- Window or door hollow chamber profile and window or door frame formed therefrom26 Jun 2025US 2025/0207454 A1
Most cited
By later US patents
- Internal reinforcement for hollow structural elements128US 6,058,673 AHenkel Corporation · 2000
- Internal reinforcement for hollow structural elements128US 6,341,467 B12002
- Advanced polymer and wood fiber composite structural component117US 5,406,768 AAndersen Corporation · 1995
- Advanced polymer and wood fiber composite structural component112US 5,497,594 AAndersen Corporation · 1996
- Fenestration sealed frame, insulating glazing panels90US 6,401,428 B1Bowmead Holding Inc. · 2002