E03F 5/14
Devices for separating liquid or solid substances from sewage
Official title: Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates (for use in sewage purification plants or both in sewage purification plants or in sewer systems B01D, C02F {; gullies with sediment traps E03F5/04})
E03F5/14 (Devices for separating liquid or solid substances from sewage) appears on 592 US grants and 505 published applications in this corpus.
Search patents in E03F- Granted patents
- 592
- Published applications
- 505
- Assignees
- 283
- Inventors
- 922
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 9 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 10 | 0 |
| 1995 | 5 | 0 |
| 1996 | 11 | 0 |
| 1997 | 14 | 0 |
| 1998 | 25 | 0 |
| 1999 | 6 | 0 |
| 2000 | 16 | 0 |
| 2001 | 12 | 3 |
| 2002 | 13 | 8 |
| 2003 | 12 | 8 |
| 2004 | 8 | 12 |
| 2005 | 9 | 13 |
| 2006 | 9 | 15 |
| 2007 | 13 | 18 |
| 2008 | 15 | 15 |
| 2009 | 10 | 16 |
| 2010 | 11 | 11 |
| 2011 | 11 | 14 |
| 2012 | 10 | 17 |
| 2013 | 12 | 23 |
| 2014 | 17 | 23 |
| 2015 | 16 | 28 |
| 2016 | 17 | 21 |
| 2017 | 23 | 23 |
| 2018 | 24 | 23 |
| 2019 | 41 | 31 |
| 2020 | 25 | 30 |
| 2021 | 37 | 31 |
| 2022 | 36 | 41 |
| 2023 | 29 | 30 |
| 2024 | 22 | 18 |
| 2025 | 20 | 18 |
| 2026 | 12 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for stormwater management6 Oct 2026US 12,753,093 B2Advanced Drainage Systems, Inc.
- Separator for wastewater system18 Aug 2026US 12,709,887 B2Jets AS
- Fluid recycling unit for aircraft11 Aug 2026US 12,703,648 B2MAG Aerospace Industries, LLC
- Material regulating trap for sewer connection4 Aug 2026US 12,698,624 B2
- Temporary sediment retention assembly2 Jun 2026US 12,644,274 B2Silt-Saver, Inc.
- Hydrodynamic separator with multiple settling sump cones8 Oct 2026US 2026/0306971 A1Advanced Drainage Systems, Inc.
- Temporary sediment retention assembly10 Sep 2026US 2026/0266040 A1
- Hydrodynamic separator with alternating baffles23 Jul 2026US 2026/0209084 A1Advanced Drainage Systems, Inc.
- Hydrodynamic separator with alternating baffles23 Jul 2026US 2026/0209085 A1Advanced Drainage Systems, Inc.
- Screening device, method for detecting a sag of an endless drive element, and use of a position sensor16 Jul 2026US 2026/0199812 A1Huber SE
Most cited
By later US patents
- Filtering and collecting device for water drains168US 4,419,232 A1983
- Apparatus and method for treating storm water runoff129US 5,707,527 AStormwater Treatment LLC · 1998
- Filter insert for a storm drain124US 5,820,762 A1998
- Storm sewer catch basin and filter99US 5,372,714 A1994
- Contaminant absorbing drainage trough apparatus94US 5,720,574 AKriStar Enterprises, Inc. · 1998