B01D 67/00046
By deposition by filtration through a support or base layer
Official title: {by deposition by filtration through a support or base layer}
B01D67/00046 (By deposition by filtration through a support or base layer) appears on 31 US grants and 42 published applications in this corpus.
Search patents in B01D- Granted patents
- 31
- Published applications
- 42
- Assignees
- 43
- Inventors
- 127
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 5 |
| 2016 | 2 | 1 |
| 2017 | 2 | 5 |
| 2018 | 1 | 3 |
| 2019 | 8 | 6 |
| 2020 | 2 | 6 |
| 2021 | 3 | 2 |
| 2022 | 2 | 1 |
| 2023 | 2 | 2 |
| 2024 | 2 | 3 |
| 2025 | 2 | 2 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Tunable graphene-based membranes and method of making the same5 May 2026US 12,616,944 B2Ora Graphene Audio Inc.
- Rotary filter apparatus for roll-to-roll nanomaterial dispersion papermaking1 Jul 2025US 12,343,683 B2Bulk Nano Processing LLC
- Fluoride removal process21 Jan 2025US 12,202,744 B2ETH Zurich
- Nanoparticles for use in membranes24 Sep 2024US 12,097,471 B2Evoqua Water Technologies LLC
- Ceramic nanowire battery separators20 Feb 2024US 11,909,070 B2Novarials Corporation
- Polymer surface for conductive membranes and methods of making thereof3 Apr 2025US 2025/0108336 A1The University of North Carolina at Chapel Hill
- Composite nanofiltration membrane capable of efficiently intercepting ammonium sulfate and ammonium nitrate while adsorbing and removing mercury ions and preparation method thereof6 Mar 2025US 2025/0073644 A1North China Electric Power University (Baoding)
- Materials for valuable metal recovery5 Dec 2024US 2024/0400719 A1
- Method For Preparing Porous Aromatic Framework Membranes Based on Inorganic Salt Template Method10 Oct 2024US 2024/0335795 A1Northeast Normal University
- Rotary Filter Apparatus For Roll-To-Roll Nanomaterial Dispersion Papermaking21 Mar 2024US 2024/0091713 A1Bulk Nano Processing LLC
Most cited
By later US patents
- Method for manufacturing filter having ceramic porous film as separating film13US 6,509,060 B1NGK Insulators, Ltd. · 2003
- Method for manufacturing filter having ceramic porous film as separating film11US 6,479,099 B1NGK Insulators, Ltd. · 2002
- Processes for forming composite structures with a two-dimensional material using a porous, non-sacrificial supporting layer9US 10,500,546 B2Lockheed Martin Corporation · 2019
- Water separation composite membrane9US 9,795,930 B2Industrial Technology Research Institute · 2017
- Method for producing cellulose-fiber flat structure5US 8,663,426 B2Mitsubishi Chemical Corporation · 2014