E04F 15/08
Only of stone or stone-like material
Official title: only of stone or stone-like material, e.g. {ceramics}, concrete; of glass {or with a top layer of stone or stone-like material, e.g. ceramics, concrete or glass (E04F15/02005 takes precedence)}
E04F15/08 (Only of stone or stone-like material) appears on 466 US grants and 573 published applications in this corpus.
Search patents in E04F- Granted patents
- 466
- Published applications
- 573
- Assignees
- 234
- Inventors
- 680
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 5 | 8 |
| 2003 | 3 | 10 |
| 2004 | 5 | 19 |
| 2005 | 6 | 11 |
| 2006 | 5 | 14 |
| 2007 | 6 | 16 |
| 2008 | 1 | 17 |
| 2009 | 11 | 16 |
| 2010 | 10 | 28 |
| 2011 | 12 | 15 |
| 2012 | 16 | 22 |
| 2013 | 17 | 21 |
| 2014 | 20 | 29 |
| 2015 | 23 | 29 |
| 2016 | 16 | 18 |
| 2017 | 16 | 24 |
| 2018 | 26 | 21 |
| 2019 | 17 | 36 |
| 2020 | 22 | 34 |
| 2021 | 26 | 39 |
| 2022 | 28 | 38 |
| 2023 | 23 | 28 |
| 2024 | 29 | 37 |
| 2025 | 29 | 23 |
| 2026 | 17 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Panel, covering, and method of uncoupling two interconnected panels6 Oct 2026US 12,753,613 B2i4F Licensing NV
- Insulating modular panel configuration15 Sep 2026US 12,735,903 B2
- Covering element for floor and a floor covering8 Sep 2026US 12,729,544 B2Unilin BV
- Covering element for floor covering, a floor covering and a method for installing a floor covering1 Sep 2026US 12,723,412 B2IOBAC Limited
- Portion of a flexible tongue25 Aug 2026US D1,143,920 S1Välinge Innovation AB · Design
- Decorative panel and method for manufacturing a decorative panel3 Sep 2026US 2026/0258660 A1Unilin BV
- Turf tray27 Aug 2026US 2026/0248079 A1Camitch Enterprises Pty Ltd
- Flooring apparatus with easily replaceable tiles18 Jun 2026US 2026/0168259 A1Teotl Tlalli Industries LLC
- Method and device for producing a composite body28 May 2026US 2026/0145362 A1
- Method and device for producing a composite body28 May 2026US 2026/0145415 A1
Most cited
By later US patents
- Surface covering system and methods of installing same409US 6,363,677 B1Mannington Mills, Inc. · 2002
- Mechanical locking of floor panels with a flexible bristle tongue191US 8,033,074 B2Välinge Innovation AB · 2011
- Mechanical locking of floor panels with a flexible bristle tongue190US 7,908,815 B2Välinge Innovation AB · 2011
- Mechanical locking of floor panels with a flexible bristle tongue167US 8,359,805 B2Välinge Innovation AB · 2013
- Mechanical locking of floor panels with a flexible bristle tongue140US 8,341,914 B2Välinge Innovation AB · 2013