E04F 2201/00
Joining sheets or plates or panels
E04F2201/00 (Joining sheets or plates or panels) appears on 2,350 US grants and 2,951 published applications in this corpus.
Search patents in E04F- Granted patents
- 2,350
- Published applications
- 2,951
- Assignees
- 721
- Inventors
- 2,142
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 8 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 9 | 0 |
| 1992 | 8 | 0 |
| 1993 | 7 | 0 |
| 1994 | 12 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 13 | 0 |
| 1999 | 16 | 0 |
| 2000 | 19 | 0 |
| 2001 | 25 | 11 |
| 2002 | 31 | 55 |
| 2003 | 35 | 75 |
| 2004 | 38 | 101 |
| 2005 | 36 | 91 |
| 2006 | 39 | 112 |
| 2007 | 24 | 97 |
| 2008 | 39 | 125 |
| 2009 | 50 | 99 |
| 2010 | 105 | 98 |
| 2011 | 80 | 109 |
| 2012 | 92 | 84 |
| 2013 | 107 | 116 |
| 2014 | 118 | 122 |
| 2015 | 106 | 120 |
| 2016 | 117 | 129 |
| 2017 | 109 | 124 |
| 2018 | 86 | 105 |
| 2019 | 117 | 123 |
| 2020 | 132 | 169 |
| 2021 | 115 | 154 |
| 2022 | 108 | 145 |
| 2023 | 126 | 156 |
| 2024 | 127 | 157 |
| 2025 | 159 | 164 |
| 2026 | 79 | 110 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E04F 2201/01Joining sheets, plates or panels with edges in abutting relationshipIndexing code1,759
- E04F 2201/02Non-undercut connectionsIndexing code1,074
- E04F 2201/05Separate connectors or insertsIndexing code894
- E04F 2201/04Joining sheets or plates or panels: other details of tongues or groovesIndexing code742
- E04F 2201/07Joining sheets or plates or panels: with connections using a special adhesiveIndexing code176
- E04F 2201/09Puzzle-type connections for interlocking male and female panel edge-partsIndexing code168
- E04F 2201/03Undercut connectionsIndexing code121
- E04F 2201/08Hook and loop-type fastener or similar fixing meansIndexing code35
All 9 subgroupsShow fewer
Recent patents
- Methods for manufacturing a decorative panel, and decorative panels6 Oct 2026US 12,752,570 B2Unilin BV
- Panel, covering, and method of uncoupling two interconnected panels6 Oct 2026US 12,753,613 B2i4F Licensing NV
- Panel, covering, and method for manufacturing such a panel29 Sep 2026US 12,747,594 B2i4F Licensing NV
- Decorative panel and method of producing such a panel29 Sep 2026US 12,747,595 B2i4F Licensing NV
- Wall or floor panel with locking means suitable for herringbone-pattern installation22 Sep 2026US 12,742,329 B2Surface Technologies GmbH & Co. KG
- Decorative panel and method to make such decorative panel8 Oct 2026US 2026/0308382 A1Unilin BV
- Panels, method for manufacturing panels, mixture and lacquer8 Oct 2026US 2026/0308391 A1Unilin BV
- Building panels comprising a locking system8 Oct 2026US 2026/0308917 A1Välinge Innovation AB
- Floor panel for forming a floor covering8 Oct 2026US 2026/0308918 A1Unilin BV
- Panel for forming a covering8 Oct 2026US 2026/0308919 A1Unilin BV
Most cited
By later US patents
- Floor panel with edge connectors696US 6,006,486 AUnilin Beheer B. V., besloten vennootschap · 1999
- Panel for a composite surface and a method of assembling same631US 4,426,820 A1984
- Snap-together flooring system515US 5,295,341 ANikken Seattle, Inc. · 1994
- Panel and fastening system for panels495US 6,505,452 B1Akzenta Paneele + Profile GmbH · 2003
- Flooring material, comprising board shaped floor elements which are intended to be joined vertically469US 6,647,690 B1Pergo (Europe) AB · 2003