E04F 15/04
Only of wood or with a top layer of wood
Official title: only of wood {or with a top layer of wood}, e.g. with wooden {or metal} connecting members (rollable parquet E04F15/16)
E04F15/04 (Only of wood or with a top layer of wood) appears on 1,022 US grants and 1,150 published applications in this corpus.
Search patents in E04F- Granted patents
- 1,022
- Published applications
- 1,150
- Assignees
- 345
- Inventors
- 1,027
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 11 | 0 |
| 1999 | 11 | 0 |
| 2000 | 12 | 0 |
| 2001 | 17 | 8 |
| 2002 | 22 | 34 |
| 2003 | 19 | 52 |
| 2004 | 25 | 65 |
| 2005 | 30 | 55 |
| 2006 | 31 | 76 |
| 2007 | 15 | 49 |
| 2008 | 22 | 79 |
| 2009 | 33 | 37 |
| 2010 | 69 | 54 |
| 2011 | 44 | 49 |
| 2012 | 54 | 30 |
| 2013 | 43 | 53 |
| 2014 | 57 | 52 |
| 2015 | 52 | 65 |
| 2016 | 65 | 49 |
| 2017 | 38 | 50 |
| 2018 | 37 | 31 |
| 2019 | 36 | 50 |
| 2020 | 39 | 41 |
| 2021 | 37 | 36 |
| 2022 | 30 | 29 |
| 2023 | 28 | 38 |
| 2024 | 30 | 26 |
| 2025 | 27 | 27 |
| 2026 | 11 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Portion of a flexible tongue25 Aug 2026US D1,143,920 S1Välinge Innovation AB · Design
- Panel for forming a covering11 Aug 2026US 12,703,984 B2Unilin BV
- Building panels comprising a locking system14 Jul 2026US 12,680,315 B2Välinge Innovation AB
- Floorboard unit and floorboard connecting structure2 Jun 2026US 12,644,291 B2Zhejiang Kingdom New Material Group Co., Ltd.
- Panel12 May 2026US 12,624,554 B2Unilin Nordic AB
- Building panels comprising a locking system8 Oct 2026US 2026/0308917 A1Välinge Innovation AB
- Subfloor system and methods of construction thereof27 Aug 2026US 2026/0250963 A1Laccoo Outdoors, LLC
- Acoustic insulating panel using recycled material13 Aug 2026US 2026/0233496 A1CSR Industries Inc.
- Floor tile with transferred glaze coating layer and preparation method thereof16 Jul 2026US 2026/0200220 A1Banfert New Materials Co., Ltd.
- Floor panel and methods for manufacturing floor panels9 Jul 2026US 2026/0193891 A1Aladdin Manufacturing Corporation
Most cited
By later US patents
- Floor panel with edge connectors696US 6,006,486 AUnilin Beheer B. V., besloten vennootschap · 1999
- Veneer panels and method of making523US 5,755,068 A1998
- 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