E04B 5/16
Load-carrying floor structures wholly or partly cast or similarly formed in situ
Official title: Load-carrying floor structures wholly or partly cast or similarly formed in situ (E04B5/43 - E04B5/48 take precedence; floors merely characterised by the prefabricated elements E04C)
E04B5/16 (Load-carrying floor structures wholly or partly cast or similarly formed in situ) appears on 797 US grants and 779 published applications in this corpus.
Search patents in E04B- Granted patents
- 797
- Published applications
- 779
- Assignees
- 426
- Inventors
- 1,236
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 8 | 0 |
| 1978 | 10 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 9 | 0 |
| 1985 | 12 | 0 |
| 1986 | 15 | 0 |
| 1987 | 14 | 0 |
| 1988 | 9 | 0 |
| 1989 | 10 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 8 | 0 |
| 1996 | 15 | 0 |
| 1997 | 11 | 0 |
| 1998 | 5 | 0 |
| 1999 | 10 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 4 |
| 2002 | 11 | 11 |
| 2003 | 15 | 15 |
| 2004 | 10 | 20 |
| 2005 | 4 | 27 |
| 2006 | 6 | 18 |
| 2007 | 7 | 24 |
| 2008 | 4 | 17 |
| 2009 | 7 | 25 |
| 2010 | 13 | 31 |
| 2011 | 13 | 29 |
| 2012 | 25 | 23 |
| 2013 | 23 | 26 |
| 2014 | 40 | 36 |
| 2015 | 28 | 37 |
| 2016 | 27 | 39 |
| 2017 | 33 | 40 |
| 2018 | 40 | 66 |
| 2019 | 50 | 63 |
| 2020 | 51 | 52 |
| 2021 | 38 | 49 |
| 2022 | 32 | 42 |
| 2023 | 38 | 23 |
| 2024 | 23 | 34 |
| 2025 | 27 | 19 |
| 2026 | 12 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Structural system for building and civil engineering works and construction method15 Sep 2026US 12,735,889 B2
- Fire rated floor box installation assembly25 Aug 2026US 12,719,248 B2Hubbell Incorporated
- Post-tensioned concrete with fibers for slabs on supports11 Aug 2026US 12,703,976 B2Ccl Stressing International Ltd
- Construction template7 Jul 2026US 12,674,319 B2Zhaoqing Pansystem International Trade Co., Ltd.
- Support plate for installing tile14 Apr 2026US 12,601,188 B2Laticrete International, Inc.
- Timber-concrete composite connector and ductile reinforcement chair27 Aug 2026US 2026/0250952 A1Som Iw Holdings, LLC
- Structural module, system, and method18 Jun 2026US 2026/0168228 A1Nj IP Holding Company LLC
- Building System Including Waffle Pods28 May 2026US 2026/0146439 A1NXT International Pty. Ltd.
- Systems, Devices, and Methods for Creation of a Concrete Structure using a Form and Bracket21 May 2026US 2026/0139476 A1Precasteel, LLC
- Waffle slab structure, floor structure and method for constructing floor structure23 Apr 2026US 2026/0110175 A1Ruentex Engineering & Construction Co., Ltd.
Most cited
By later US patents
- Building panel assembly118US 4,885,884 A1989
- Building construction system101US 6,151,858 ASimple Building Systems · 2000
- Modular panel for mold94US 4,695,033 AShin Nihon Kohan Co., Ltd. · 1987
- Building member connector allowing bi-directional relative movement93US 6,612,087 B2The Steel Network, Inc. · 2003
- Slip form for building components88US 4,272,230 ASolai Vignola di Faviani Orlando ec Societa · 1981