B01D 67/0034
By micromachining techniques
Official title: {by micromachining techniques, e.g. using masking and etching steps, photolithography}
B01D67/0034 (By micromachining techniques) appears on 107 US grants and 169 published applications in this corpus.
Search patents in B01D- Granted patents
- 107
- Published applications
- 169
- Assignees
- 105
- Inventors
- 394
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 2 | 3 |
| 2004 | 0 | 5 |
| 2005 | 1 | 5 |
| 2006 | 2 | 5 |
| 2007 | 5 | 6 |
| 2008 | 5 | 12 |
| 2009 | 3 | 10 |
| 2010 | 5 | 3 |
| 2011 | 3 | 6 |
| 2012 | 5 | 8 |
| 2013 | 3 | 7 |
| 2014 | 4 | 11 |
| 2015 | 6 | 12 |
| 2016 | 9 | 8 |
| 2017 | 8 | 7 |
| 2018 | 4 | 11 |
| 2019 | 5 | 6 |
| 2020 | 6 | 2 |
| 2021 | 3 | 9 |
| 2022 | 3 | 13 |
| 2023 | 7 | 4 |
| 2024 | 7 | 8 |
| 2025 | 3 | 3 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Photocurable compositions and method of forming topographical features on a membrane surface using photocurable compositions5 May 2026US 12,617,943 B2Henkel AG & Co. KGaA
- Method of forming an electronic device on a flexible substrate24 Mar 2026US 12,585,183 B2Fundació Institut Catalá De NanociéNcia I Nanotecnologia
- Nanomembrane and forming method thereof10 Mar 2026US 12,569,815 B2Institute for Basic Science
- Nanopore device and method of manufacturing same5 Aug 2025US 12,379,369 B2Palogen, Inc.
- Filter apparatus for semiconductor device fabrication process1 Jul 2025US 12,343,684 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Composite Membrane Structure23 Jul 2026US 2026/0209694 A1Darwin Precisions Corporation
- Filtration membrane, filtration device and manufacturing method of filtration membrane18 Jun 2026US 2026/0166495 A1Industrial Technology Research Institute
- Nano silk fibroin fibrous membrane with directional water transport and preparation method thereof7 May 2026US 2026/0124584 A1Haian Institute of High-Tech Research, Nanjing University
- Method for manufacturing a membrane with throughgoing holes27 Nov 2025US 2025/0361644 A1Imec Vzw
- Filter apparatus for semiconductor device fabrication process25 Sep 2025US 2025/0296052 A1Taiwan Semiconductor Manufacturing Company.Ltd
Most cited
By later US patents
- Mesoscale sample preparation device and systems for determination and processing of analytes678US 5,726,026 AThe Trustees of the University of Pennsylvania · 1998
- Porous microfabricated polymer membrane structures460US 5,807,406 ABaxter International Inc. · 1998
- Mesoscale sample preparation device and systems for determination and processing of analytes335US 5,928,880 AThe Trustees of the University of Pennsylvania · 1999
- Mesoscale sample preparation device and systems for determination and processing of analytes182US 6,184,029 B2The Trustees of the University of Pennsylvania · 2001
- Methods, compositions, and automated systems for separating rare cells from fluid samples163US 7,166,443 B2Aviva Biosciences Corporation · 2007