E02B 7/22
Stop log dams
Official title: Stop log dams; Emergency gates
E02B7/22 (Stop log dams) appears on 23 US grants and 15 published applications in this corpus.
Search patents in E02B- Granted patents
- 23
- Published applications
- 15
- Assignees
- 8
- Inventors
- 32
- Latest grant
- 21 Sep 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 3 |
| 2016 | 3 | 3 |
| 2017 | 2 | 2 |
| 2018 | 0 | 1 |
| 2019 | 4 | 2 |
| 2020 | 0 | 0 |
| 2021 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Ash management trench21 Sep 2021US 11,123,660 B2Charah, LLC
- Single bay mechanical closure device2 Mar 2021US 10,934,674 B2Art Metal Industries, LLC
- Wall element and assembly for holding back water5 Nov 2019US 10,465,353 B2
- Flood barrier system14 May 2019US 10,287,740 B2Neptune Systems, LLC
- Ash management trench5 Feb 2019US 10,195,546 B2Charah, LLC
- Ash management trench6 Jun 2019US 2019/0168136 A1Charah, LLC
- Wall Element And Assembly For Holding Back Water18 Apr 2019US 2019/0112772 A1
- Single Bay Mechanical Closure Device4 Oct 2018US 2018/0282963 A1Art Metal Industries, LLC
- Movable tsunami buffer dam7 Dec 2017US 2017/0350082 A1
- Flood Barrier System3 Aug 2017US 2017/0218586 A1Neptune Systems, LLC
Most cited
By later US patents
- Liquid and flood water barrier wall forming-apparatus58US 5,460,462 A1995
- River bank flood barrier46US 6,042,301 A2000
- Reconfigurable barrier system27US 7,303,358 B12007
- Floodgate panel and sealing means therefor24US 4,582,451 AThe Presray Corporation · 1986
- Method for the fabrication of a dam or barrier18US 6,132,140 A2000