E02C 1/06
Devices for filling or emptying locks
Official title: Devices for filling or emptying locks (in lock gates E02B7/20 {; floating docks B63C1/06})
E02C1/06 (Devices for filling or emptying locks) appears on 8 US grants and 6 published applications in this corpus.
Search patents in E02C- Granted patents
- 8
- Published applications
- 6
- Assignees
- 8
- Inventors
- 11
- Latest grant
- 13 Oct 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 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 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Hydroxide stabilization as a means of controlling surface fouling associated with wetted surfaces of boats barges and ships13 Oct 2020US 10,800,497 B2U.S. Geological Survey
- Herodotus machine30 Jan 2018US 9,879,394 B2
- Canal water refill system28 Apr 2015US 9,016,982 B2
- Liquid level regulation apparatus27 Nov 2007US 7,299,822 B2Auto Flow Fate Pty Ltd.
- Lock using air chambers7 May 1991US 5,013,184 AFoundation of River & Basin Integrated Communications
- Hydroxide stabilization as a means of controlling surface fouling associated with wetted surfaces of boats barges and ships20 Jun 2019US 2019/0185117 A1The United States of America as represented by the Secretary of the Department of the Interior
- Herodotus machine5 Oct 2017US 2017/0284049 A1
- Canal water refill system5 Dec 2013US 2013/0322968 A1
- Canal lock system14 Feb 2008US 2008/0038062 A1
- Liquid level regulation apparatus6 Jan 2005US 2005/0000573 A1Auto Flow Fate Pty Ltd.
Most cited
By later US patents
- Apparatus for adjusting a water level of a lock10US 4,877,351 ABridgestone Corporation · 1989
- Lock using air chambers6US 5,013,184 AFoundation of River & Basin Integrated Communications · 1991
- Liquid level regulation apparatus2US 7,299,822 B2Auto Flow Fate Pty Ltd. · 2007
- Hydroxide stabilization as a means of controlling surface fouling associated with wetted surfaces of boats barges and ships1US 10,800,497 B2U.S. Geological Survey · 2020
- Rotary filling and emptying valve1US 4,830,051 AThe United States of America as represented by the Secretary of the Army · 1989