E04C 2/40
Composed of a number of smaller components rigidly or movably connected together
Official title: composed of a number of smaller components rigidly or movably connected together, e.g. interlocking, hingedly connected {of particular shape, e.g. not rectangular of variable shape or size, e.g. flexible or telescopic panels (E04C2/041 takes precedence)}
E04C2/40 (Composed of a number of smaller components rigidly or movably connected together) appears on 241 US grants and 190 published applications in this corpus.
Search patents in E04C- Granted patents
- 241
- Published applications
- 190
- Assignees
- 130
- Inventors
- 331
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 9 | 0 |
| 1985 | 9 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 7 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 7 | 0 |
| 1992 | 2 | 0 |
| 1993 | 8 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 4 |
| 2011 | 0 | 2 |
| 2012 | 1 | 5 |
| 2013 | 3 | 7 |
| 2014 | 6 | 8 |
| 2015 | 5 | 15 |
| 2016 | 11 | 15 |
| 2017 | 7 | 16 |
| 2018 | 13 | 9 |
| 2019 | 10 | 19 |
| 2020 | 16 | 12 |
| 2021 | 17 | 11 |
| 2022 | 10 | 12 |
| 2023 | 13 | 14 |
| 2024 | 6 | 13 |
| 2025 | 10 | 15 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Connection arrangement for panels28 Jul 2026US 12,692,703 B2Välinge Innovation AB
- Sandwich panel19 May 2026US 12,631,022 B2Kukmin Enterprise Co., Ltd
- Pretensioned mechanical locking device for building panels28 Apr 2026US 12,612,784 B2Välinge Innovation AB
- Floor and wallboard connecting structure for shed24 Mar 2026US 12,584,313 B2Jingning Meige Technology Service Co., Ltd.
- Floor panel and floor covering consisting of a plurality of such floor panels10 Feb 2026US 12,546,120 B2i4F Licensing NV
- Building panel with a mechanical locking system12 Feb 2026US 2026/0043249 A1Välinge Innovation AB
- Unlocking system for panels8 Jan 2026US 2026/0009236 A1Välinge Innovation AB
- Foam-based tape for insulated panels13 Nov 2025US 2025/0347105 A1
- System of modular structural panels comprising agricultural waste materials and method therefor9 Oct 2025US 2025/0314066 A1
- Hinging drywall apparatus and method11 Sep 2025US 2025/0283326 A1
Most cited
By later US patents
- Building structures355US 5,247,773 A1993
- Extruded structural system224US 4,557,091 ACorflex International, Inc. · 1985
- Mechanical locking system for floor panels208US 8,544,230 B2Välinge Innovation AB · 2013
- Sandwich panel for angular forming110US 5,652,039 A1997
- Mechanical locking system for floor panels110US 8,898,988 B2Välinge Innovation AB · 2014