E04F 15/02044
Separate elements for fastening to an underlayer
Official title: {Separate elements for fastening to an underlayer (E04F15/02133, E04F15/0215 take precedence)}
E04F15/02044 (Separate elements for fastening to an underlayer) appears on 504 US grants and 612 published applications in this corpus.
Search patents in E04F- Granted patents
- 504
- Published applications
- 612
- Assignees
- 244
- Inventors
- 732
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 3 |
| 2002 | 9 | 10 |
| 2003 | 11 | 12 |
| 2004 | 6 | 19 |
| 2005 | 6 | 14 |
| 2006 | 7 | 12 |
| 2007 | 4 | 8 |
| 2008 | 6 | 16 |
| 2009 | 10 | 13 |
| 2010 | 7 | 18 |
| 2011 | 15 | 22 |
| 2012 | 15 | 17 |
| 2013 | 19 | 23 |
| 2014 | 23 | 35 |
| 2015 | 29 | 43 |
| 2016 | 27 | 27 |
| 2017 | 25 | 48 |
| 2018 | 35 | 28 |
| 2019 | 28 | 42 |
| 2020 | 29 | 37 |
| 2021 | 27 | 36 |
| 2022 | 26 | 18 |
| 2023 | 20 | 28 |
| 2024 | 22 | 35 |
| 2025 | 20 | 24 |
| 2026 | 18 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Frame members for decks and decking systems having the same22 Sep 2026US 12,742,330 B2The AZEK Group LLC
- Hidden fastener unit and related method of use15 Sep 2026US 12,735,900 B2National Nail Corp.
- Acoustic flooring assembly15 Sep 2026US 12,735,902 B2
- System and method for haptic mapping of a configurable virtual reality environment4 Aug 2026US 12,700,186 B2Exploring Digital, LLC
- Fastener positioning device4 Aug 2026US D1,138,705 S1National Nail Corp. · Design
- Clip for a tile insert8 Oct 2026US 2026/0308920 A1Stormtech Pty Limited
- Set of panels comprising a locking device1 Oct 2026US 2026/0297931 A1Välinge Innovation AB
- Device for locking a slat of a floor or siding24 Sep 2026US 2026/0286712 A1Burger Et Cie
- Surface covering and fasteners for same17 Sep 2026US 2026/0275730 A1Control y Desarrollo Empresarial, S.L.
- Fixing system27 Aug 2026US 2026/0250959 A1
Most cited
By later US patents
- Glider bar for flooring system220US 6,134,854 APerstorp AB · 2000
- Laminate flooring211US 7,614,197 B2Premark RWP Holdings, Inc. · 2009
- Method for erecting floor boards and a board assembly using the method187US 5,768,850 A1998
- Modular decking plank, and decking structure124US 5,647,184 AL. B. (Plastics) Limited · 1997
- Mechanical locking of floor panels with a glued tongue124US 8,572,922 B2Valinge Flooring Technology AB · 2013