E06B 3/94
Doors of the bellows type
E06B3/94 (Doors of the bellows type) appears on 63 US grants and 49 published applications in this corpus.
Search patents in E06B- Granted patents
- 63
- Published applications
- 49
- Assignees
- 25
- Inventors
- 69
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 7 |
| 2009 | 2 | 3 |
| 2010 | 5 | 0 |
| 2011 | 3 | 9 |
| 2012 | 5 | 7 |
| 2013 | 5 | 6 |
| 2014 | 5 | 1 |
| 2015 | 2 | 2 |
| 2016 | 4 | 3 |
| 2017 | 2 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 2 | 2 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 1 | 1 |
| 2024 | 3 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Leading end assemblies for movable partitions having an articulated leading member, and related systems and methods12 Aug 2025US 12,385,305 B2Won-Door Corporation
- Vertical folding wall partition and method of deploying same27 Feb 2024US 11,913,269 B2Skyfold Inc.
- Transportable folding door16 Jan 2024US 11,873,659 B2ZheJiang Bounsun Plastic Co., Ltd.
- Fenestration unit with drainage passage from corner key and through cladding2 Jan 2024US 11,859,441 B2JELD-WEN, Inc.
- Movable partition systems and related methods21 Feb 2023US 11,585,088 B2Won-Door Corporation
- Fenestration unit with drainage passage from corner key and through cladding4 May 2023US 2023/0134444 A1JELD-WEN, Inc.
- Leading end assemblies for movable partitions having an articulated lead member, and related systems and methods19 May 2022US 2022/0154506 A1Won-Door Corporation
- Transportable folding door5 May 2022US 2022/0136280 A1ZheJiang Bounsun Plastic Co., Ltd.
- Movable partition systems and related methods12 Aug 2021US 2021/0246653 A1Won-Door Corporation
- Movable partition systems and related methods12 Nov 2020US 2020/0354953 A1Won-Door Corporation
Most cited
By later US patents
- Movable partition systems including intumescent material and methods of controlling and directing intumescent material around the perimeter of a movable partition system74US 8,100,164 B2Won-Door Corporation · 2012
- Method and apparatus for fabricating honeycomb insulating material62US 5,308,435 AHome Fashions, Inc. · 1994
- Folding firedoor lead post assembly49US 4,834,161 AWon-Door Corporation · 1989
- Method, apparatus and system for directionally controlling a movable partition43US 7,478,663 B2Won-Door Corporation · 2009
- Acoustic type folding door with separate cover sections41US 4,658,878 AHough Manufacturing Corporation · 1987