E04H 7/26
Mainly of concrete
Official title: mainly of concrete, e.g. reinforced concrete or other stone-like materials
E04H7/26 (Mainly of concrete) appears on 43 US grants and 19 published applications in this corpus.
Search patents in E04H- Granted patents
- 43
- Published applications
- 19
- Assignees
- 22
- Inventors
- 55
- Latest grant
- 24 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 3 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 2 | 2 |
| 2017 | 3 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Concrete tank24 Sep 2024US 12,098,021 B2Dutchland, Inc.
- Prestressed concrete roof for cylindrical tank5 Dec 2017US 9,834,949 B2IHI Corporation
- Curb system for a concrete container16 May 2017US 9,650,800 B2Dutchland, Inc.
- Method for constructing cylindrical tank17 Jan 2017US 9,546,495 B2IHI Corporation
- Manhole ring support for unified concrete pours around grease interceptor27 Dec 2016US 9,528,258 B1Thermaco, Inc.
- Concrete Tank20 Jul 2023US 2023/0227252 A1Dutchland, Inc.
- Modular concrete storage structure23 Jul 2020US 2020/0232239 A1
- Pre-cast concrete storage structure17 Oct 2019US 2019/0316375 A1
- Curb System For A Concrete Container1 Sep 2016US 2016/0251868 A1Dutchland, Inc.
- Prestressed concrete roof for cylindrical tank7 Apr 2016US 2016/0097211 A1IHI Corporation
Most cited
By later US patents
- Pollutant storage system22US 4,473,978 A1984
- Multi-purpose dome structure and the construction thereof22US 5,094,044 A1992
- Bulk storage facility19US 4,125,970 A1978
- Wall construction17US 4,324,081 A1982
- Apparatus for constructing circumerentially wrapped prestressed structures utilizing a membrane and having seismic coupling16US 5,177,919 A1993