E03F 5/20
Siphon pipes or inverted siphons
Official title: Siphon pipes or inverted siphons (for connections of baths, basins, or the like E03C1/12 {; siphons in dams E02B7/18})
E03F5/20 (Siphon pipes or inverted siphons) appears on 15 US grants and 13 published applications in this corpus.
Search patents in E03F- Granted patents
- 15
- Published applications
- 13
- Assignees
- 10
- Inventors
- 27
- Latest grant
- 9 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 2 | 0 |
| 2012 | 1 | 0 |
| 2013 | 2 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 2 | 0 |
| 2024 | 1 | 2 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Integrated riparian system for on-site treatment of river/lake silt and application thereof9 Jul 2024US 12,030,798 B2Jiangnan University
- Water trap having a rotary valve22 Aug 2023US 11,732,458 B2
- Apparatus and method for a cycle siphon using a float operated magnetically controlling pivoting float valve for minimizing the build-up of gases15 Aug 2023US 11,725,377 B1
- System for drainage of surface water5 Oct 2021US 11,136,753 B2Aiwell Holding AS
- Method of priming a drainage apparatus for siphoning liquid and drainage apparatus27 Aug 2019US 10,392,792 B2
- Siphon assembly24 Jul 2025US 2025/0237051 A1Vortech Water Solutions Ltd
- Grease interceptor having a baffle3 Oct 2024US 2024/0325943 A1Advanced Drainage Systems, Inc.
- Flow restrictor for a grease interceptor3 Oct 2024US 2024/0328142 A1Advanced Drainage Systems, Inc.
- Siphon device with a bypass21 Apr 2022US 2022/0120075 A1
- Integrated Riparian System for On-site Treatment of River/lake Silt and Application Thereof10 Mar 2022US 2022/0073392 A1Jiangnan University
Most cited
By later US patents
- Wastewater concentrator11US 8,066,887 B1Ecolivegreen Corp. · 2011
- Wastewater concentrator system10US 8,062,522 B1Ecolivegreen Corp. · 2011
- Wastewater concentrator method and system9US 8,425,782 B2Ecolivegreen Corp. · 2013
- Water trap having a rotary valve2US 11,732,458 B22023
- Culvert of vacuum sewerage2US 5,297,577 AInax Corporation · 1994