E04F 15/02038
Characterised by tongue and groove connections between neighbouring flooring elements
Official title: {characterised by tongue and groove connections between neighbouring flooring elements}
E04F15/02038 (Characterised by tongue and groove connections between neighbouring flooring elements) appears on 1,389 US grants and 1,822 published applications in this corpus.
Search patents in E04F- Granted patents
- 1,389
- Published applications
- 1,822
- Assignees
- 365
- Inventors
- 875
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 3 |
| 2003 | 2 | 11 |
| 2004 | 3 | 9 |
| 2005 | 8 | 11 |
| 2006 | 6 | 35 |
| 2007 | 0 | 10 |
| 2008 | 8 | 45 |
| 2009 | 15 | 16 |
| 2010 | 45 | 19 |
| 2011 | 18 | 34 |
| 2012 | 21 | 44 |
| 2013 | 42 | 71 |
| 2014 | 75 | 96 |
| 2015 | 79 | 108 |
| 2016 | 96 | 122 |
| 2017 | 77 | 95 |
| 2018 | 72 | 82 |
| 2019 | 96 | 106 |
| 2020 | 111 | 136 |
| 2021 | 97 | 135 |
| 2022 | 92 | 118 |
| 2023 | 109 | 141 |
| 2024 | 110 | 133 |
| 2025 | 134 | 148 |
| 2026 | 69 | 94 |
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
- 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
- Flooring material434US 6,591,568 B1Pergo (Europe) AB · 2003
- Floor panel with edge connectors411US 6,490,836 B1Unilin Beheer B. V., besloten vennootschap · 2002
- Flooring material comprising flooring elements which are assembled by means of separate joining elements406US 6,763,643 B1Pergo (Europe) AB · 2004
- Resilient groove369US 7,584,583 B2Välinge Innovation AB · 2009