E03F 1/00
Methods, systems, or installations for draining-off sewage or storm water
E03F1/00 (Methods, systems, or installations for draining-off sewage or storm water) appears on 1,497 US grants and 1,199 published applications in this corpus.
Search patents in E03F- Granted patents
- 1,497
- Published applications
- 1,199
- Assignees
- 491
- Inventors
- 1,917
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 11 | 0 |
| 1978 | 5 | 0 |
| 1979 | 10 | 0 |
| 1980 | 9 | 0 |
| 1981 | 12 | 0 |
| 1982 | 8 | 0 |
| 1983 | 8 | 0 |
| 1984 | 4 | 0 |
| 1985 | 12 | 0 |
| 1986 | 9 | 0 |
| 1987 | 10 | 0 |
| 1988 | 9 | 0 |
| 1989 | 9 | 0 |
| 1990 | 9 | 0 |
| 1991 | 15 | 0 |
| 1992 | 16 | 0 |
| 1993 | 15 | 0 |
| 1994 | 29 | 0 |
| 1995 | 23 | 0 |
| 1996 | 28 | 0 |
| 1997 | 25 | 0 |
| 1998 | 24 | 0 |
| 1999 | 33 | 0 |
| 2000 | 34 | 0 |
| 2001 | 43 | 11 |
| 2002 | 39 | 35 |
| 2003 | 36 | 34 |
| 2004 | 41 | 54 |
| 2005 | 31 | 42 |
| 2006 | 45 | 40 |
| 2007 | 43 | 58 |
| 2008 | 37 | 66 |
| 2009 | 42 | 50 |
| 2010 | 31 | 49 |
| 2011 | 31 | 48 |
| 2012 | 43 | 36 |
| 2013 | 44 | 33 |
| 2014 | 37 | 53 |
| 2015 | 36 | 30 |
| 2016 | 39 | 56 |
| 2017 | 64 | 43 |
| 2018 | 39 | 50 |
| 2019 | 62 | 54 |
| 2020 | 69 | 57 |
| 2021 | 56 | 63 |
| 2022 | 49 | 53 |
| 2023 | 36 | 57 |
| 2024 | 46 | 46 |
| 2025 | 47 | 46 |
| 2026 | 36 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Waste disposal system6 Oct 2026US 12,752,318 B2Blue Bagger, Inc.
- Sports field and methods for forming and operating the same29 Sep 2026US 12,746,454 B2Dutchblue World B.V.
- Liquid-collecting arrangement, liquid drainage system and method for use22 Sep 2026US 12,742,322 B2Aco Ahlmann SE & Co. KG
- Module system for an underground stormwater retention basin, parts for such module system and stormwater retention basin and methods of building such stormwater retention basin15 Sep 2026US 12,735,886 B2Urban Water Retention Aps
- Flood control system1 Sep 2026US 12,724,432 B2
- Row spacing reduction in stormwater management system24 Sep 2026US 2026/0286675 A1Advanced Drainage Systems, Inc.
- Stormwater management crate assembly with tapered columns and side panels with column bearing components17 Sep 2026US 2026/0275699 A1Advanced Drainage Systems, Inc.
- Stormwater management crate assembly with convex side panels17 Sep 2026US 2026/0275700 A1Advanced Drainage Systems, Inc.
- Panel and Multilayer Panel Structure10 Sep 2026US 2026/0262579 A1
- Temporary sediment retention assembly10 Sep 2026US 2026/0266040 A1
Most cited
By later US patents
- Filtering and collecting device for water drains168US 4,419,232 A1983
- Storm drain filter system143US 5,405,539 A1995
- Underground drainage system131US 5,810,510 A1998
- Method and apparatus for treating stormwater runoff122US 6,277,274 B12001
- Subsurface fluid drainage and storage systems112US 5,848,856 AInvisible Structures, Inc. · 1998