E04F 15/00
Flooring
Official title: Flooring (stair treads E04F11/104; coverings not specially adapted for floors E04F13/00; borders, skirtings E04F19/02; {implements for laying flooring E04F21/20;} gratings for cleaning soles of footwear A47L23/24; {built-in gratings E04F19/10; removing floor coverings E04G23/00; carpets A47G27/00;} of similar materials to roads E01C; basic or rough floors {, structural floors} E04B5/00)
E04F15/00 (Flooring) appears on 5,617 US grants and 6,765 published applications in this corpus.
Search patents in E04F- Granted patents
- 5,617
- Published applications
- 6,765
- Assignees
- 2,153
- Inventors
- 7,107
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 21 | 0 |
| 1978 | 17 | 0 |
| 1979 | 10 | 0 |
| 1980 | 16 | 0 |
| 1981 | 19 | 0 |
| 1982 | 11 | 0 |
| 1983 | 8 | 0 |
| 1984 | 26 | 0 |
| 1985 | 25 | 0 |
| 1986 | 35 | 0 |
| 1987 | 44 | 0 |
| 1988 | 35 | 0 |
| 1989 | 60 | 0 |
| 1990 | 51 | 0 |
| 1991 | 54 | 0 |
| 1992 | 42 | 0 |
| 1993 | 44 | 0 |
| 1994 | 44 | 0 |
| 1995 | 45 | 0 |
| 1996 | 37 | 0 |
| 1997 | 40 | 0 |
| 1998 | 63 | 0 |
| 1999 | 69 | 0 |
| 2000 | 67 | 0 |
| 2001 | 85 | 35 |
| 2002 | 88 | 156 |
| 2003 | 112 | 197 |
| 2004 | 116 | 256 |
| 2005 | 93 | 236 |
| 2006 | 83 | 229 |
| 2007 | 65 | 198 |
| 2008 | 67 | 244 |
| 2009 | 98 | 190 |
| 2010 | 169 | 227 |
| 2011 | 137 | 225 |
| 2012 | 185 | 218 |
| 2013 | 208 | 270 |
| 2014 | 228 | 302 |
| 2015 | 220 | 295 |
| 2016 | 244 | 326 |
| 2017 | 234 | 328 |
| 2018 | 242 | 300 |
| 2019 | 285 | 330 |
| 2020 | 293 | 375 |
| 2021 | 265 | 352 |
| 2022 | 232 | 322 |
| 2023 | 251 | 332 |
| 2024 | 269 | 313 |
| 2025 | 293 | 306 |
| 2026 | 150 | 203 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods for manufacturing a decorative panel, and decorative panels6 Oct 2026US 12,752,570 B2Unilin BV
- Roll-up interchangeable tile system6 Oct 2026US 12,753,612 B2
- 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
- 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
- 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