B01D 2201/48
Overflow systems
B01D2201/48 (Overflow systems) appears on 111 US grants and 55 published applications in this corpus.
Search patents in B01D- Granted patents
- 111
- Published applications
- 55
- Assignees
- 76
- Inventors
- 191
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 8 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 12 | 0 |
| 2002 | 3 | 9 |
| 2003 | 5 | 2 |
| 2004 | 2 | 4 |
| 2005 | 7 | 3 |
| 2006 | 4 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 5 |
| 2018 | 2 | 5 |
| 2019 | 4 | 5 |
| 2020 | 4 | 1 |
| 2021 | 5 | 5 |
| 2022 | 1 | 2 |
| 2023 | 3 | 2 |
| 2024 | 1 | 0 |
| 2025 | 2 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filtration system for a water drainage system26 Aug 2025US 12,397,248 B2
- Separator monitoring and control5 Aug 2025US 12,377,373 B2National Oilwell Varco, L. P.
- Mopping system with filtration26 Mar 2024US 11,938,428 B1
- Multi plate screw press sludge dewatering machine21 Nov 2023US 11,820,096 B2Shanghai Techase Environment Protection Co., Ltd.
- Liquid waste receptor7 Nov 2023US 11,808,020 B2
- Separator monitoring and control15 Jan 2026US 2026/0014499 A1National Oilwell Varco, L. P.
- Filtration system for a water drainage system13 Nov 2025US 2025/0345728 A1
- Filter Device21 Aug 2025US 2025/0262574 A1Hydac Process Technology GmbH
- Filter arrangement3 Jul 2025US 2025/0214865 A1
- Poultry feet sterilizer27 Mar 2025US 2025/0098691 A1John Bean Technologies Corporation
Most cited
By later US patents
- Storm drain filter system143US 5,405,539 A1995
- Replaceable filter element and snap-on filter lid assembly96US 5,753,117 AFleetguard, Inc. · 1998
- Manifold and filter assembly with filter basket89US 7,497,340 B2Stryker Corporation · 2009
- Storm drain collection box filtration system70US 5,980,740 ACivitas Erosion Services, Inc. · 1999
- Dry well filtration system57US 4,689,145 A1987