E03F 5/16
Devices for separating oil, water or grease from sewage in drains leading
Official title: Devices for separating oil, water or grease from sewage in drains leading to the main sewer
E03F5/16 (Devices for separating oil, water or grease from sewage in drains leading) appears on 226 US grants and 179 published applications in this corpus.
Search patents in E03F- Granted patents
- 226
- Published applications
- 179
- Assignees
- 110
- Inventors
- 348
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 13 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 8 | 2 |
| 2002 | 6 | 3 |
| 2003 | 6 | 3 |
| 2004 | 4 | 1 |
| 2005 | 4 | 7 |
| 2006 | 5 | 7 |
| 2007 | 5 | 9 |
| 2008 | 5 | 7 |
| 2009 | 2 | 8 |
| 2010 | 4 | 3 |
| 2011 | 4 | 5 |
| 2012 | 5 | 3 |
| 2013 | 2 | 6 |
| 2014 | 5 | 6 |
| 2015 | 5 | 12 |
| 2016 | 3 | 9 |
| 2017 | 11 | 12 |
| 2018 | 7 | 8 |
| 2019 | 17 | 13 |
| 2020 | 10 | 12 |
| 2021 | 14 | 10 |
| 2022 | 12 | 16 |
| 2023 | 10 | 6 |
| 2024 | 9 | 3 |
| 2025 | 2 | 4 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for removing fats, oils and/or grease (FOGs) from water26 May 2026US 12,637,367 B2Buttress Group Ltd
- FOG (fats, oil, or grease) separator apparatus10 Feb 2026US 12,544,691 B2ECO CLARITY Ltd.
- Control of grease removal equipment via cell phone app18 Mar 2025US 12,252,416 B2Thermaco, Inc.
- Latch assembly and a method of latching a first element to a second element11 Mar 2025US 12,247,386 B2Canplas Industries Ltd.
- Passive membrane filtration system with pre-treatment10 Dec 2024US 12,161,954 B2Bio Clean Environmental Services, Inc.
- 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.
- Underground Stormwater Management System21 May 2026US 2026/0139467 A1
- Fog interceptor9 Apr 2026US 2026/0098402 A1
- Control of grease removal equipment via cell phone app3 Jul 2025US 2025/0214866 A1Thermaco, Inc.
Most cited
By later US patents
- Filter insert for a storm drain124US 5,820,762 A1998
- Contaminant absorbing drainage trough apparatus94US 5,720,574 AKriStar Enterprises, Inc. · 1998
- Oil/grease recovery method and apparatus82US 5,030,357 ALowe Engineering Company · 1991
- Filter cartridge for separating liquid hydrocarbons from water73US 5,632,889 A1997
- Method and apparatus for separating floating and non-floating particulate from rainwater drainage71US 5,759,415 AVortechnics, Inc. · 1998