B01D 2239/0485
On particles
Official title: on particles
B01D2239/0485 (On particles) appears on 51 US grants and 79 published applications in this corpus.
Search patents in B01D- Granted patents
- 51
- Published applications
- 79
- Assignees
- 62
- Inventors
- 187
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 3 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 5 |
| 2007 | 0 | 1 |
| 2008 | 4 | 4 |
| 2009 | 4 | 7 |
| 2010 | 4 | 1 |
| 2011 | 5 | 6 |
| 2012 | 2 | 2 |
| 2013 | 2 | 3 |
| 2014 | 0 | 3 |
| 2015 | 1 | 1 |
| 2016 | 2 | 1 |
| 2017 | 0 | 3 |
| 2018 | 0 | 2 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 3 | 4 |
| 2022 | 2 | 5 |
| 2023 | 0 | 7 |
| 2024 | 2 | 7 |
| 2025 | 3 | 5 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Granulated hierarchical material structure29 Sep 2026US 12,746,527 B2Metalmark Innovations, PBC
- Formulations and processes for treating water from impacted sources25 Aug 2026US 12,714,991 B2Brown University
- Honeycomb structure and exhaust gas purifying device13 Jan 2026US 12,521,705 B2NGK Insulators, Ltd.
- Use of photothermal agents in air filters25 Nov 2025US 12,478,908 B2Istanbul Teknik Universitesi
- Air filtration media having metal nanoparticle agglomerates adhered thereto, formation thereof and use thereof15 Jul 2025US 12,357,932 B2Kuprion Inc.
- Carbon disulfide treated materials and methods of purifying fluids using the same18 Dec 2025US 2025/0381550 A1Zenith Purification, LLC
- Method and apparatus for enhanced separation and removal of contaminants and irradiated particulates from fluids23 Oct 2025US 2025/0325930 A1Vrd, LLC
- Particles with biocidal coating11 Sep 2025US 2025/0280823 A1Instraction GmbH
- Filter for removing microscale or nanoscale plastic particles from water, and water-treatment device11 Sep 2025US 2025/0282644 A1Klar2O GmbH
- Regenerable gas absorption material and device5 Jun 2025US 2025/0177955 A1Exposome Pvt. Ltd.
Most cited
By later US patents
- Deformable well screen320US 5,901,789 AShell Oil Company · 1999
- Deformable well screen218US 6,012,522 AShell Oil Company · 2000
- Filter and method of making same79US 4,305,782 AAMF Incorporated · 1981
- Filter and method of making same51US 4,366,068 AAMF Incorporated · 1982
- Particle loaded membranes as oxidant scavengers34US 5,700,375 AMinnesota Mining and Manufacturing Company · 1997