E02B 7/34
Flash- boards for vertical-lift gates
E02B7/34 (Flash- boards for vertical-lift gates) appears on 5 US grants and 5 published applications in this corpus.
Search patents in E02B- Granted patents
- 5
- Published applications
- 5
- Assignees
- 0
- Inventors
- 5
- Latest grant
- 21 Feb 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Flood defence system with low environmental impact21 Feb 2023US 11,585,058 B2
- Water control system and method for water management26 May 2020US 10,662,602 B2
- Water control system and method for water management22 Jan 2019US 10,184,221 B2
- Flashboard riser system and method for water management21 Aug 2018US 10,053,829 B2
- Water control structure and roller assembly therefor19 Jun 1990US 4,934,868 A
- Flood defence system with low environmental impact3 Mar 2022US 2022/0064887 A1
- Water Control System and Method for Water Management11 Apr 2019US 2019/0106853 A1
- Water control system and method for water management2 Nov 2017US 2017/0314221 A1
- Flashboard Riser System and Method for Water Management11 Aug 2016US 2016/0230363 A1
- Sealing system for a water flow control gate26 May 2011US 2011/0123271 A1
Most cited
By later US patents