E04F 13/0894
With tongue and groove connections
Official title: {with tongue and groove connections}
E04F13/0894 (With tongue and groove connections) appears on 432 US grants and 592 published applications in this corpus.
Search patents in E04F- Granted patents
- 432
- Published applications
- 592
- Assignees
- 186
- Inventors
- 570
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 1 | 3 |
| 2010 | 1 | 1 |
| 2011 | 3 | 9 |
| 2012 | 1 | 8 |
| 2013 | 10 | 22 |
| 2014 | 15 | 33 |
| 2015 | 29 | 33 |
| 2016 | 29 | 32 |
| 2017 | 19 | 33 |
| 2018 | 26 | 21 |
| 2019 | 29 | 33 |
| 2020 | 26 | 32 |
| 2021 | 33 | 60 |
| 2022 | 38 | 45 |
| 2023 | 35 | 63 |
| 2024 | 48 | 59 |
| 2025 | 51 | 61 |
| 2026 | 37 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Panel, covering, and method of uncoupling two interconnected panels6 Oct 2026US 12,753,613 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
- Set consisting of two panels for cladding a surface and of a panel connection element, panel connection element, and use of a panel connection element15 Sep 2026US 12,735,897 B2Surface Technologies GmbH & Co. KG
- Multi-purpose tile system, tile covering, and tile15 Sep 2026US 12,735,899 B2i4F Licensing NV
- Building panels comprising a locking system8 Oct 2026US 2026/0308917 A1Välinge Innovation AB
- Panel for forming a covering8 Oct 2026US 2026/0308919 A1Unilin BV
- Floor panel8 Oct 2026US 2026/0308921 A1Unilin BV
- Set of panels comprising a locking device24 Sep 2026US 2026/0286716 A1Välinge Innovation AB
- Building surface panels and method of forming the same27 Aug 2026US 2026/0250962 A1CertainTeed Corporation
Most cited
By later US patents
- Mechanical locking system for panels and method of installing same280US 8,042,311 B2Välinge Innovation AB · 2011
- Mechanical locking system for panels and method of installing same254US 7,841,144 B2Välinge Innovation AB · 2010
- Mechanical locking system for floor panels241US 8,387,327 B2Välinge Innovation AB · 2013
- Mechanical locking system for panels and method of installing same237US 7,634,884 B2Välinge Innovation AB · 2009
- Mechanical locking of floor panels with vertical snap folding225US 8,353,140 B2Välinge Innovation AB · 2013