E06B 3/822
With an internal foursided frame
Official title: {with an internal foursided frame}
E06B3/822 (With an internal foursided frame) appears on 203 US grants and 208 published applications in this corpus.
Search patents in E06B- Granted patents
- 203
- Published applications
- 208
- Assignees
- 85
- Inventors
- 301
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 2 |
| 2002 | 5 | 2 |
| 2003 | 2 | 9 |
| 2004 | 2 | 7 |
| 2005 | 5 | 9 |
| 2006 | 0 | 6 |
| 2007 | 2 | 6 |
| 2008 | 3 | 7 |
| 2009 | 1 | 7 |
| 2010 | 1 | 6 |
| 2011 | 3 | 7 |
| 2012 | 7 | 8 |
| 2013 | 4 | 7 |
| 2014 | 11 | 14 |
| 2015 | 10 | 8 |
| 2016 | 17 | 12 |
| 2017 | 10 | 10 |
| 2018 | 8 | 11 |
| 2019 | 14 | 10 |
| 2020 | 10 | 15 |
| 2021 | 8 | 9 |
| 2022 | 14 | 11 |
| 2023 | 7 | 4 |
| 2024 | 4 | 8 |
| 2025 | 8 | 7 |
| 2026 | 0 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Manufactured door4 Nov 2025US 12,460,470 B2
- Laminated door core for use in fire rated doors and associated methods14 Oct 2025US 12,442,245 B2Lexington Manufacturing, Inc.
- Shock insulating door system and method23 Sep 2025US 12,421,786 B2Overhead Door Corporation
- Door skin stacking3 Jun 2025US 12,320,186 B2Masonite Corporation
- Door assembly with high and low voltage electrical power supplies for integrated electric devices and methods of operating the door27 May 2025US 12,312,852 B2Masonite Corporation
- Door and door jamb assembly6 Aug 2026US 2026/0226788 A1
- Door Panel with Reinforced Structure and Quick Interchangeability18 Jun 2026US 2026/0168315 A1
- Side-hung door11 Jun 2026US 2026/0160119 A1TDK Doors Inc.
- Ecological door body4 Jun 2026US 2026/0152992 A1Guangdong OPK Smart Home Technology Co., Ltd.
- Prefabricated shed doors and methods of manufacture26 Mar 2026US 2026/0085577 A1
Most cited
By later US patents
- Compression molded door assembly92US 4,550,540 ATherma-Tru Corporation · 1985
- Enclosure which is fire-resistive for a predetermined period of time78US 6,119,411 A2000
- Door construction70US 6,311,454 B1Globe Door, L.L.C. · 2001
- Articles of composite structure having appearance of wood66US 6,485,800 B1JELD-WEN, Inc. · 2002
- Fire door60US 4,748,771 AGeorgia-Pacific Corporation · 1988