E03F 5/26
Installations for stirring-up sewage
Official title: Installations for stirring-up sewage {(disintegrating garbage to be evacuated with sewage B02C18/0084; devices on water-closet bowls E03D)}
E03F5/26 (Installations for stirring-up sewage) appears on 22 US grants and 13 published applications in this corpus.
Search patents in E03F- Granted patents
- 22
- Published applications
- 13
- Assignees
- 11
- Inventors
- 32
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 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 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 4 | 0 |
| 2022 | 0 | 0 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Control of a flow generator in a tank18 Nov 2025US 12,472,477 B2Xylem Europe GmbH
- Effluent dispenser system18 Jun 2024US 12,012,737 B2Kuwait University
- Wastewater basin19 Sep 2023US 11,761,192 B1Zoeller Pump Company, LLC
- Effluent dispenser system16 May 2023US 11,649,624 B1Kuwait University
- Device for improving water quality9 Nov 2021US 11,167,223 B2One Water Naturally Pty. Ltd.
- Effluent dispenser system7 Mar 2024US 2024/0076863 A1Kuwait University
- Control of a flow generator in a tank15 Jun 2023US 2023/0182095 A1Xylem Europe GmbH
- Device for improving water quality7 May 2020US 2020/0139268 A1One Water Naturally Pty. Ltd.
- Flush valve and pump station comprising such a flush valve1 Aug 2019US 2019/0234526 A1Xylem Europe GmbH
- Sewage Pit19 Jul 2018US 2018/0202141 A1Pharmafilter B.V.
Most cited
By later US patents
- Liquid circulating device46US 4,187,263 AAero-Hydraulics Corporation · 1980
- Buried plastic sewage sump34US 6,059,208 AInteron Corporation · 2000
- Grinder pump station27US 5,816,510 AEnvironment One Corporation · 1998
- Liquid circulating device26US 4,293,506 AAtara Corporation · 1981
- Grinder pump station19US 5,562,254 AEnvironment One Corporation · 1996