B01D 2239/0645
Arrangement of the particles in the filtering material
B01D2239/0645 (Arrangement of the particles in the filtering material) appears on 16 US grants and 45 published applications in this corpus.
Search patents in B01D- Granted patents
- 16
- Published applications
- 45
- Assignees
- 33
- Inventors
- 111
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 2 |
| 2018 | 2 | 1 |
| 2019 | 3 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 4 |
| 2022 | 1 | 3 |
| 2023 | 0 | 13 |
| 2024 | 1 | 2 |
| 2025 | 2 | 7 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for making fibrous materials27 Jan 2026US 12,534,834 B2DelStar Technologies, Inc.
- Filters with mechanical and electrostatic filtering capabilities9 Dec 2025US 12,491,458 B2DelStar Technologies, Inc.
- Filter media, filter and filtration machine29 Jul 2025US 12,370,478 B2Excel Corporate Holdings Limited
- Fiber article1 Oct 2024US 12,104,300 B2Daicel Corporation
- Reusable exoskeleton frame with U-shaped locking members and eco-friendly air filter element13 Sep 2022US 11,439,938 B2MANN+HUMMEL Life Sciences & Environment Holding Singapore Pte. Ltd.
- Systems and methods for making fibrous materials30 Apr 2026US 2026/0117433 A1DelStar Technologies, Inc.
- Filters with mechanical and electrostatic filtering capabilities2 Apr 2026US 2026/0091333 A1DelStar Technologies, Inc.
- Ethylene oxide neutralizing material incorporating ion exchange resins2 Apr 2026US 2026/0091381 A1ChemDAQ Inc.
- Necklace-shaped nanofiber hybrid membrane for simultaneous removal of particulate matter and sulfides and method for preparing the same26 Mar 2026US 2026/0084118 A1Gwangju Institute of Science and Technology
- Filter layer29 Jan 2026US 2026/0027500 A1Filtrox AG
Most cited
By later US patents
- Exhaust gas cleaning catalyst and process for production thereof81US 4,749,671 ANippon Shokubai Kagaku Kogyo Co., Ltd. · 1988
- Partially-carbonized polyacrylonitrile filter24US 4,444,574 A1984
- Water filter incorporating activated carbon particles with surface-grown carbon nanofilaments7US 7,537,695 B2PUR Water Purification Products, Inc. · 2009
- Interlaced filtration barrier4US 10,137,394 B2Nano and Advanced Materials Institute Limited · 2018
- Method of making a filter material including activated carbon particles having carbon nanofilaments3US 8,197,790 B2PUR Water Purification Products, Inc. · 2012