E04B 5/00
Floors
Official title: Floors; Floor construction with regard to insulation; Connections specially adapted therefor (elements for floors, e.g. bricks, stones, filling bodies, girders, E04C; flooring as finishing work, insulation of flooring, sectional false floors, e.g. for computers E04F15/00)
E04B5/00 (Floors) appears on 2,416 US grants and 2,377 published applications in this corpus.
Search patents in E04B- Granted patents
- 2,416
- Published applications
- 2,377
- Assignees
- 1,200
- Inventors
- 3,592
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 31 | 0 |
| 1977 | 20 | 0 |
| 1978 | 22 | 0 |
| 1979 | 11 | 0 |
| 1980 | 20 | 0 |
| 1981 | 21 | 0 |
| 1982 | 12 | 0 |
| 1983 | 8 | 0 |
| 1984 | 16 | 0 |
| 1985 | 18 | 0 |
| 1986 | 27 | 0 |
| 1987 | 21 | 0 |
| 1988 | 15 | 0 |
| 1989 | 23 | 0 |
| 1990 | 23 | 0 |
| 1991 | 12 | 0 |
| 1992 | 21 | 0 |
| 1993 | 23 | 0 |
| 1994 | 25 | 0 |
| 1995 | 23 | 0 |
| 1996 | 35 | 0 |
| 1997 | 38 | 0 |
| 1998 | 33 | 0 |
| 1999 | 33 | 0 |
| 2000 | 42 | 0 |
| 2001 | 49 | 13 |
| 2002 | 40 | 52 |
| 2003 | 41 | 58 |
| 2004 | 29 | 72 |
| 2005 | 30 | 76 |
| 2006 | 31 | 93 |
| 2007 | 20 | 60 |
| 2008 | 23 | 89 |
| 2009 | 30 | 65 |
| 2010 | 85 | 75 |
| 2011 | 52 | 102 |
| 2012 | 51 | 74 |
| 2013 | 78 | 99 |
| 2014 | 120 | 117 |
| 2015 | 101 | 133 |
| 2016 | 114 | 131 |
| 2017 | 107 | 111 |
| 2018 | 114 | 165 |
| 2019 | 139 | 136 |
| 2020 | 113 | 137 |
| 2021 | 109 | 134 |
| 2022 | 81 | 121 |
| 2023 | 93 | 82 |
| 2024 | 73 | 98 |
| 2025 | 77 | 61 |
| 2026 | 43 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E04B 5/02Load-carrying floor structures formed substantially of prefabricated units1,279
- E04B 5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ797
- E04B 5/48Special adaptations of floors for incorporating ducts302
- E04B 5/43Floor structures of extraordinary design202
- E04B 5/46Special adaptation of floors for transmission of light55
- E04B 5/44Floors composed of stones, mortar, and reinforcing elements5
Recent patents
- Foundation systems29 Sep 2026US 12,747,586 B2GroundFORCE IP, LLC
- Storage shed29 Sep 2026US 12,747,598 B2Suncast Technologies, LLC
- Structural system for building and civil engineering works and construction method15 Sep 2026US 12,735,889 B2
- Insulating modular panel configuration15 Sep 2026US 12,735,903 B2
- Systems and methods of producing components for use in the construction of modular building units15 Sep 2026US 12,735,907 B2Buildz, LLC
- Drywall Spacing Joist Hanger8 Oct 2026US 2026/0308903 A1
- Prefabricated modules for wood frame building construction1 Oct 2026US 2026/0297937 A1
- Lightweight structure made of composite materials1 Oct 2026US 2026/0297945 A1
- Cast-in-place through-penetration firestop device24 Sep 2026US 2026/0287090 A1Hilti Aktiengesellschaft
- Timber-concrete composite connector and ductile reinforcement chair27 Aug 2026US 2026/0250952 A1Som Iw Holdings, LLC
Most cited
By later US patents
- Floor panel with edge connectors696US 6,006,486 AUnilin Beheer B. V., besloten vennootschap · 1999
- Floor panel with edge connectors411US 6,490,836 B1Unilin Beheer B. V., besloten vennootschap · 2002
- Mechanical locking system for panels and method of installing same280US 8,042,311 B2Välinge Innovation AB · 2011
- Floor panels with edge connectors269US 7,040,068 B2Unilin Beheer B. V., besloten vennootschap · 2006
- Mechanical locking system for panels and method of installing same268US 7,841,145 B2Välinge Innovation AB · 2010