B01D 2201/184
Special form, dimension of the openings, pores of the filtering elements
B01D2201/184 (Special form, dimension of the openings, pores of the filtering elements) appears on 237 US grants and 222 published applications in this corpus.
Search patents in B01D- Granted patents
- 237
- Published applications
- 222
- Assignees
- 193
- Inventors
- 517
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 8 | 0 |
| 1989 | 9 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 11 | 0 |
| 1996 | 7 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 3 | 3 |
| 2004 | 1 | 13 |
| 2005 | 3 | 5 |
| 2006 | 7 | 2 |
| 2007 | 2 | 2 |
| 2008 | 4 | 7 |
| 2009 | 2 | 4 |
| 2010 | 4 | 7 |
| 2011 | 2 | 9 |
| 2012 | 9 | 7 |
| 2013 | 3 | 6 |
| 2014 | 6 | 5 |
| 2015 | 2 | 5 |
| 2016 | 6 | 4 |
| 2017 | 2 | 14 |
| 2018 | 5 | 15 |
| 2019 | 10 | 17 |
| 2020 | 10 | 14 |
| 2021 | 11 | 17 |
| 2022 | 14 | 15 |
| 2023 | 12 | 15 |
| 2024 | 13 | 15 |
| 2025 | 14 | 12 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Recovery tank22 Sep 2026US 12,740,683 B2SharkNinja Operating LLC
- Flat filter media22 Sep 2026US 12,741,238 B2Bullfrog International, LC
- Light fixture with UV disinfection12 May 2026US 12,622,994 B2Apogee Lighting Holdings, LLC
- Filtration device14 Apr 2026US 12,599,852 B2SSENG Co., Ltd.
- Lightweight fibrous media (LFM) filter31 Mar 2026US 12,589,336 B1
- Collapsible Funnel with Integrated Mesh Screen for Capturing Kidney Stones from Urine Flow8 Oct 2026US 2026/0306078 A1
- Potato protein extraction apparatus and method27 Aug 2026US 2026/0250314 A1Root Extracts Limited
- Variable crimped expanded metal filters, bi-directionally expanded metal filters, combinations thereof and expanding methods for manufacturing expanded sheet metal7 May 2026US 2026/0124560 A1ACS Industries, Inc.
- Sleeve for a filtering unit with backwashing30 Apr 2026US 2026/0115631 A1Alfa Laval Moatti
- Increased flow screen panel16 Apr 2026US 2026/0102720 A1
Most cited
By later US patents
- Variable volume filter or concentrator98US 4,793,932 AMemtec Limited · 1988
- Filter for use in a cartridge for the preparation of a beverage72US 5,008,013 ANestec S. A. · 1991
- Apparatus and methods for separating solids from flowing liquids or gases60US 5,788,848 A1998
- Flow line filter apparatus59US 4,599,172 A1986
- Coffee brewer filtration device47US 5,190,653 AKraft General Foods, Inc. · 1993