E04F 2201/043
With tongues and grooves being formed by projecting or recessed parts of
Official title: with tongues and grooves being formed by projecting or recessed parts of the panel layers
E04F2201/043 (With tongues and grooves being formed by projecting or recessed parts of) appears on 386 US grants and 555 published applications in this corpus.
Search patents in E04F- Granted patents
- 386
- Published applications
- 555
- Assignees
- 119
- Inventors
- 324
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 4 |
| 2003 | 0 | 0 |
| 2004 | 3 | 9 |
| 2005 | 2 | 1 |
| 2006 | 3 | 1 |
| 2007 | 2 | 1 |
| 2008 | 1 | 9 |
| 2009 | 3 | 8 |
| 2010 | 2 | 3 |
| 2011 | 2 | 2 |
| 2012 | 1 | 5 |
| 2013 | 4 | 4 |
| 2014 | 7 | 6 |
| 2015 | 9 | 14 |
| 2016 | 13 | 12 |
| 2017 | 10 | 16 |
| 2018 | 17 | 27 |
| 2019 | 20 | 26 |
| 2020 | 24 | 40 |
| 2021 | 21 | 55 |
| 2022 | 32 | 52 |
| 2023 | 40 | 59 |
| 2024 | 53 | 71 |
| 2025 | 69 | 81 |
| 2026 | 40 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Panel for forming a covering8 Oct 2026US 2026/0308919 A1Unilin BV
- Decorative panel and method for manufacturing a decorative panel1 Oct 2026US 2026/0296093 A1Unilin BV
Most cited
By later US patents
- Floor covering209US 6,772,568 B2Unilin Beheer B. V., besloten vennootschap · 2004
- Building panel with a mechanical locking system175US 8,596,013 B2Välinge Innovation AB · 2013
- Parquet floor elements and parquet floor composed of such elements173US 4,090,338 AB 3 L · 1978
- Method for producing a mechanical locking system for building panels171US 9,216,541 B2Välinge Innovation AB · 2015
- Component or assembly of same and fixing clip therefor129US 6,802,166 B12004