E06B 5/16
Fireproof doors or similar closures
Official title: Fireproof doors or similar closures; Adaptations of fixed constructions therefor
E06B5/16 (Fireproof doors or similar closures) appears on 373 US grants and 309 published applications in this corpus.
Search patents in E06B- Granted patents
- 373
- Published applications
- 309
- Assignees
- 247
- Inventors
- 678
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 7 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 7 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 10 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 8 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 9 | 0 |
| 1997 | 10 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 4 |
| 2002 | 8 | 8 |
| 2003 | 5 | 12 |
| 2004 | 6 | 8 |
| 2005 | 2 | 9 |
| 2006 | 7 | 9 |
| 2007 | 5 | 9 |
| 2008 | 0 | 8 |
| 2009 | 3 | 12 |
| 2010 | 9 | 3 |
| 2011 | 8 | 14 |
| 2012 | 10 | 6 |
| 2013 | 9 | 13 |
| 2014 | 13 | 18 |
| 2015 | 8 | 11 |
| 2016 | 14 | 17 |
| 2017 | 5 | 14 |
| 2018 | 10 | 9 |
| 2019 | 16 | 20 |
| 2020 | 20 | 16 |
| 2021 | 7 | 15 |
| 2022 | 11 | 22 |
| 2023 | 12 | 15 |
| 2024 | 12 | 16 |
| 2025 | 15 | 14 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E06B 5/164Sealing arrangements between the door or window and its frame108
- E06B 5/165Fireproof windows48
- E06B 5/162Fireproof doors having windows or other openings46
- E06B 5/161Profile members therefor41
- E06B 5/167Devices blocking doors or windows inside its frame in case of fire10
- E06B 5/168Shape of edges of wing and/or its frame specially adapted therefor5
Recent patents
- Welding enclosure with magnetic-latching doorway18 Aug 2026US 12,708,966 B1Gulf Island Fabrication, Inc.
- Self-testing fire door23 Jun 2026US 12,663,294 B2Harmony Fire Ltd.
- Fire resistant vacuum insulating glazing3 Mar 2026US 12,565,026 B2Agc Flat Glass North America, Inc.
- Edge guard and end cap system for a fire door assembly3 Mar 2026US 12,565,806 B2Crown Fire Door Products, Inc.
- Transport facility27 Jan 2026US 12,534,954 B2Daifuku Co., Ltd.
- Sliding Fire Door1 Oct 2026US 2026/0298019 A1Daifuku Co., Ltd.
- Fire Shelter and Method10 Sep 2026US 2026/0266126 A1Wildfire Safety Systems, LLC
- Sunshade System Capable of Independently Adjusting Thermal Insulation Performance and Sunshade Performance and Control Method Therefor30 Apr 2026US 2026/0118006 A1South China University of Technology
- System for mounting building elements19 Mar 2026US 2026/0078628 A1Vida Holding AB
- System for anchoring building elements19 Mar 2026US 2026/0078629 A1Vida Holding AB
Most cited
By later US patents
- Fire-resistant door165US 4,811,538 AGeorgia-Pacific Corporation · 1989
- Fire door core146US 4,159,302 AGeorgia-Pacific Corporation · 1979
- Fire-resistant core for a combustible fire-rated panel137US 6,271,156 B1Lydall, Inc. · 2001
- Gypsum fiberboard door frame125US 5,347,780 AGeorgia-Pacific Corporation · 1994
- Smoke stop for doors121US 3,955,330 AUnited States Gypsum Company · 1976