B01D 35/28
Strainers not provided for elsewhere
B01D35/28 (Strainers not provided for elsewhere) appears on 166 US grants and 106 published applications in this corpus.
Search patents in B01D- Granted patents
- 166
- Published applications
- 106
- Assignees
- 118
- Inventors
- 306
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 6 | 0 |
| 1978 | 10 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 11 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 9 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 4 | 1 |
| 2011 | 2 | 1 |
| 2012 | 0 | 6 |
| 2013 | 1 | 3 |
| 2014 | 3 | 7 |
| 2015 | 9 | 15 |
| 2016 | 3 | 10 |
| 2017 | 5 | 11 |
| 2018 | 6 | 5 |
| 2019 | 10 | 4 |
| 2020 | 3 | 6 |
| 2021 | 5 | 6 |
| 2022 | 9 | 4 |
| 2023 | 3 | 6 |
| 2024 | 6 | 4 |
| 2025 | 3 | 3 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sludge retaining device for a drain of a sanitary basin22 Sep 2026US 12,742,320 B2BLANCO GmbH + Co KG
- Constant flow conditioner having microbubble removal function10 Mar 2026US 12,569,783 B2Bluesen Co., Ltd.
- Filter assembly and foreign substance discharge device including same10 Mar 2026US 12,569,786 B2
- Hygienic process coupling assembly16 Dec 2025US 12,498,071 B1Sani-Matic, Inc.
- Electrolytic biocide-generating unit integrated with strainer11 Nov 2025US 12,466,745 B2ElectroSea, LLC
- Protective drain cap for a drain port of a swimming pool filter unit and method therefor17 Sep 2026US 2026/0275741 A1
- Electrolytic biocide-generating unit integrated with strainer19 Mar 2026US 2026/0078028 A1ElectroSea, LLC
- Filter assembly and foreign substance discharge device including same5 Mar 2026US 2026/0061349 A1
- Mop washing apparatus and mop washing system comprising same26 Jun 2025US 2025/0204743 A1Samsung Electronics Co., Ltd.
- Integrated Removable Food Strainer30 Jan 2025US 2025/0031911 A1
Most cited
By later US patents
- Apparatus for spraying liquids, disposable containers and liners suitable for use therewith147US 6,820,824 B13M Innovative Properties Company · 2004
- Drilling mud cleaning method and apparatus109US 4,634,535 A1987
- Apparatus for spraying liquids, and disposable containers and liners suitable for use therewith66US 7,374,111 B23M Innovative Properties Company · 2008
- Water purifying apparatus56US 4,306,971 AChemie Brita Gerate Ing. Karl Itter Nachfolger · 1981
- Screen assembly and dewatering technique54US 3,970,549 ADerrick Manufacturing Corporation · 1976