E04B 2/7431
Using hinges having two parallel rotation axes
Official title: {using hinges having two parallel rotation axes}
E04B2/7431 (Using hinges having two parallel rotation axes) appears on 50 US grants and 18 published applications in this corpus.
Search patents in E04B- Granted patents
- 50
- Published applications
- 18
- Assignees
- 25
- Inventors
- 79
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 4 |
| 2003 | 3 | 1 |
| 2004 | 3 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fast built assembled wall21 Jul 2026US 12,687,015 B2
- Partition system29 Jul 2025US 12,371,902 B2Evans Consoles Corporation
- Folding dividing screen structure18 Feb 2025US 12,227,941 B2Kadeya Enterprise Co., Ltd.
- Flexible workspace partition system21 Mar 2023US 11,608,634 B2Watson Furniture Group, Inc.
- Deflection shield system13 Nov 2018US 10,125,486 B1
- Fast built assembled wall25 Jan 2024US 2024/0026679 A1A&C Future, Inc.
- Folding dividing screen structure12 Jan 2023US 2023/0007891 A1Kadeya Enterprise Co., Ltd.
- Partition system10 Mar 2022US 2022/0074200 A1Evans Consoles Corporation
- Flexible workspace partition system5 Nov 2020US 2020/0347592 A1Watson Furniture Group, Inc.
- Configurable panel display26 Feb 2015US 2015/0056600 A1Calapitter Creations, Inc.
Most cited
By later US patents
- Room divider panel assembly96US 4,121,645 A1978
- Freestanding privacy screen71US 5,287,909 ASteelcase Inc. · 1994
- Portable wall partition with full panel end members66US 6,009,930 AVersare Solutions, LLC · 2000
- Exhibition display apparatus63US 4,774,792 ABallance Design Limited · 1988
- Pipe connector assembly with internal locking mechanism48US 5,722,477 AThe Children's Factory · 1998