E04H 12/30
Water-towers
E04H12/30 (Water-towers) appears on 32 US grants and 14 published applications in this corpus.
Search patents in E04H- Granted patents
- 32
- Published applications
- 14
- Assignees
- 14
- Inventors
- 64
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 3 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 3 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Elevated tank tower2 Dec 2025US 12,486,689 B2Pittsburg Tank & Tower Group
- Composite elevated tank and method of construction8 Apr 2025US 12,270,226 B1Caldwell Tanks, Inc.
- Column bracket assembly and related methods and structures14 Nov 2023US 11,814,855 B2
- Column bracket assembly and related methods and structures29 Nov 2022US 11,512,485 B2
- Maintenance device15 Nov 2022US 11,498,185 B2
- Elevated tank tower5 Mar 2026US 2026/0062944 A1
- Elevated tank tower13 Jul 2023US 2023/0220698 A1Pittsburg Tank & Tower Group
- Column bracket assembly and related methods and structures16 Feb 2023US 2023/0051174 A1
- Column bracket assembly and related methods and structures6 Jan 2022US 2022/0003011 A1
- Maintenance Device2 Dec 2021US 2021/0370467 A1
Most cited
By later US patents
- Precast concrete panels and support pedestals constructed therefrom20US 5,131,201 APitt-Des Moines, Inc. · 1992
- Fastening member for reticulated structure19US 4,646,504 A1987
- Storage tank construction18US 4,327,531 A1982
- Storage tank construction16US 4,660,336 A1987
- Sectional tower structure14US 4,196,551 A1980