E04F 2201/022
With tongue or grooves alternating longitudinally along the edge
Official title: with tongue or grooves alternating longitudinally along the edge
E04F2201/022 (With tongue or grooves alternating longitudinally along the edge) appears on 61 US grants and 67 published applications in this corpus.
Search patents in E04F- Granted patents
- 61
- Published applications
- 67
- Assignees
- 29
- Inventors
- 70
- Latest grant
- 17 Jun 2025
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 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 3 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 3 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 4 |
| 2013 | 3 | 1 |
| 2014 | 3 | 4 |
| 2015 | 6 | 6 |
| 2016 | 3 | 7 |
| 2017 | 4 | 7 |
| 2018 | 7 | 6 |
| 2019 | 6 | 6 |
| 2020 | 9 | 6 |
| 2021 | 2 | 0 |
| 2022 | 3 | 2 |
| 2023 | 1 | 2 |
| 2024 | 2 | 0 |
| 2025 | 1 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Panel and method for manufacturing such a panel17 Jun 2025US 12,331,527 B2Unilin BV
- Mechanical locking of floor panels2 Jul 2024US 12,024,898 B2Välinge Innovation AB
- Mechanical locking of floor panels with vertical snap folding21 May 2024US 11,987,990 B2Välinge Innovation AB
- Panel and method for manufacturing such a panel5 Dec 2023US 11,834,843 B2Flooring Industries Limited, Sarl
- Mechanical locking of floor panels with vertical snap folding6 Dec 2022US 11,519,183 B2Välinge Innovation AB
- Panel and method for manufacturing such a panel21 Aug 2025US 2025/0263939 A1Unilin BV
- Panel and method for manufacturing such a panel21 Aug 2025US 2025/0263940 A1Unilin BV
- Mechanical locking of floor panels with vertical snap folding20 Mar 2025US 2025/0092688 A1Välinge Innovation AB
- Panel and method for manufacturing such a panel28 Dec 2023US 2023/0417064 A1Flooring Industries Limited, Sarl
- Mechanical locking of floor panels with vertical snap folding13 Jul 2023US 2023/0220680 A1Välinge Innovation AB
Most cited
By later US patents
- Structural panels and method of connecting same263US 6,862,857 B2Kronotec AG · 2005
- Portable multi-section activity floor and method of manufacture and installation249US 6,173,548 B12001
- Panel with slip-on profile228US 7,337,588 B12008
- Mechanical locking of floor panels with vertical snap folding225US 8,353,140 B2Välinge Innovation AB · 2013
- Mechanical locking of floor panels with vertical snap folding and an installation method to connect such panels189US 8,499,521 B2Välinge Innovation AB · 2013