E03F 5/18
Tanks for disinfecting, neutralising, or cooling sewage
Official title: Tanks for disinfecting, neutralising, or cooling sewage (arrangements in tanks as to the biological or chemical aspect C02F)
E03F5/18 (Tanks for disinfecting, neutralising, or cooling sewage) appears on 29 US grants and 30 published applications in this corpus.
Search patents in E03F- Granted patents
- 29
- Published applications
- 30
- Assignees
- 19
- Inventors
- 47
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 2 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 3 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 5 |
| 2019 | 4 | 1 |
| 2020 | 1 | 5 |
| 2021 | 5 | 1 |
| 2022 | 1 | 5 |
| 2023 | 1 | 1 |
| 2024 | 2 | 0 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for backflow management28 Oct 2025US 12,454,821 B2900 Ethan Allen Hwy LLC
- Septic system including control and monitoring system5 Aug 2025US 12,378,758 B2Alderon Industries, LLC
- Water distribution unit for water recirculation system5 Nov 2024US 12,134,568 B2Orbital Systems AB
- Concrete pouring guiding device and construction method for sewage treatment tank13 Aug 2024US 12,060,718 B2China Eleventh Chemical Construction Co., Ltd.
- Riser sections and risers made therefrom22 Aug 2023US 11,732,433 B1
- Systems and methods for backflow management5 Feb 2026US 2026/0035901 A1900 Ethan Allen Hwy LLC
- Systems and methods for backflow management23 Nov 2023US 2023/0374768 A1900 Ethan Allen Hwy LLC
- Septic system monitoring and control system25 Aug 2022US 2022/0268010 A1Alderon Industries, LLC
- Systems and methods for backflow management4 Aug 2022US 2022/0243450 A1900 Ethan Allen Hwy LLC
- Concrete pouring guiding device and construction method for sewage treatment tank7 Jul 2022US 2022/0213703 A1China Eleventh Chemical Construction Co., Ltd.
Most cited
By later US patents
- Stormwater pretreatment and disposal system19US 7,041,213 B1QuikTrip Corporation · 2006
- Method of treating stormwater runoff and domestic waste with high carbon ash14US 7,455,780 B12008
- Sewage treatment method and apparatus therefor13US 5,874,002 A1999
- Stormwater pretreatment and disposal system and method12US 7,645,390 B1QuikTrip Corporation · 2010
- Agitator in a sewer system10US 7,615,149 B22009