E02D 19/10
By lowering level of ground water
Official title: by lowering level of ground water {(installation for obtaining or collecting drinking water E03B3/00)}
E02D19/10 (By lowering level of ground water) appears on 25 US grants and 14 published applications in this corpus.
Search patents in E02D- Granted patents
- 25
- Published applications
- 14
- Assignees
- 13
- Inventors
- 36
- Latest grant
- 21 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 2 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 3 |
| 2022 | 0 | 0 |
| 2023 | 2 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Non-powered seawater pumping system for reducing seawater intrusion, and apparatus and method for optimal design of well in the same system21 May 2024US 11,987,962 B2Dong-A University Research Foundation for Industry-Academy Cooperation
- Multi-function retaining structure and implementation method thereof14 Nov 2023US 11,814,806 B2
- Non-powered seawater pumping system for reducing seawater intrusion, and apparatus and method for optimal design of well in the same system20 Jun 2023US 11,680,390 B2Dong-A University Research Foundation for Industry-Academy Cooperation
- Non-powered seawater pumping system for reducing seawater intrusion, and apparatus and method for optimal design of well in the same system27 Oct 2020US 10,815,648 B2Dong-A University Research Foundation for Industry-Academy Corporation
- Systems and methods for constructing retaining wall structure and well point in granular soils under groundwater level2 Jun 2020US 10,669,687 B1
- Dewatering system for deep excavation sites1 May 2025US 2025/0137217 A1
- Multi-function retaining structure and implementation method thereof4 Mar 2021US 2021/0062450 A1
- Non-powered seawater pumping system for reducing seawater intrusion, and apparatus and method for optimal design of well in the same system7 Jan 2021US 2021/0002872 A1Dong-A University Research Foundation for Industry-Academy Cooperation
- Non-powered seawater pumping system for reducing seawater intrusion, and apparatus and method for optimal design of well in the same system7 Jan 2021US 2021/0002873 A1Dong-A University Research Foundation for Industry-Academy Cooperation
- Non-powered seawater pumping system for reducing seawater intrusion, and apparatus and method for optimal design of well in the same system23 Jan 2020US 2020/0024834 A1Dong-A University Research Foundation for Industry-Academy Cooperation
Most cited
By later US patents