E06B 3/7015
Characterised by the filling between two external panels
Official title: {characterised by the filling between two external panels (fireproof doors E06B5/16; noise insulating doors E06B5/20)}
E06B3/7015 (Characterised by the filling between two external panels) appears on 364 US grants and 332 published applications in this corpus.
Search patents in E06B- Granted patents
- 364
- Published applications
- 332
- Assignees
- 185
- Inventors
- 586
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 1 |
| 2002 | 6 | 6 |
| 2003 | 2 | 15 |
| 2004 | 7 | 9 |
| 2005 | 3 | 7 |
| 2006 | 1 | 4 |
| 2007 | 3 | 9 |
| 2008 | 3 | 13 |
| 2009 | 2 | 4 |
| 2010 | 9 | 13 |
| 2011 | 5 | 16 |
| 2012 | 10 | 9 |
| 2013 | 17 | 17 |
| 2014 | 16 | 16 |
| 2015 | 8 | 15 |
| 2016 | 20 | 16 |
| 2017 | 13 | 18 |
| 2018 | 18 | 21 |
| 2019 | 25 | 20 |
| 2020 | 17 | 20 |
| 2021 | 8 | 20 |
| 2022 | 16 | 19 |
| 2023 | 18 | 11 |
| 2024 | 12 | 18 |
| 2025 | 8 | 8 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E06B 2003/7023Of foam typeIndexing code138
- E06B 3/7017Of grating type56
- E06B 2003/7025Of corkIndexing code42
- E06B 2003/7019Of corrugated typeIndexing code39
- E06B 2003/7042With a fire retardant layerIndexing code37
- E06B 2003/7036Of plasterIndexing code33
- E06B 2003/7032Of non-vegetal fibrous materialIndexing code31
- E06B 2003/703Containing a metallic layerIndexing code23
All 13 subgroupsShow fewer
Recent patents
- Sound damping door6 Oct 2026US 12,753,654 B2Catalyst Acoustics Group, Inc.
- System for producing a three-dimensionally deformed plate1 Sep 2026US 12,722,322 B2Homann Holzwerkstoffe GmbH
- Impact resistant garage door4 Aug 2026US 12,698,953 B2
- Manufacturing method of an intelligent anti-terrorism protective door7 Apr 2026US 12,595,701 B2
- Refrigerator door7 Apr 2026US 12,595,954 B2LG Electronics Inc.
- Panel structure, door panel, and method of manufacturing panel structure1 Oct 2026US 2026/0298018 A1Fuji Electric Co., Ltd.
- Vacuum insulated fenestration assemblies and methods20 Aug 2026US 2026/0243128 A1Marvin Lumber and Cedar Company, d/b/a Marvin Windows and Doors
- Doorstop13 Aug 2026US 2026/0234978 A1
- Door Panel with Reinforced Structure and Quick Interchangeability18 Jun 2026US 2026/0168315 A1
- Method for manufacturing recycled fiber insulation board for fireproof doors and the recycled fiber insulation board thereof28 May 2026US 2026/0145360 A1Jts Corporation
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
- Doors of composite construction121US 5,074,087 APease Industries, Inc. · 1991
- Rigid building component and method of manufacture116US 4,236,365 AWood Processes, Oregon Ltd. · 1980