B01D 67/0032
By elimination of segments of the precursor
Official title: {by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods}
B01D67/0032 (By elimination of segments of the precursor) appears on 167 US grants and 257 published applications in this corpus.
Search patents in B01D- Granted patents
- 167
- Published applications
- 257
- Assignees
- 174
- Inventors
- 629
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 2 |
| 2003 | 4 | 6 |
| 2004 | 1 | 7 |
| 2005 | 2 | 10 |
| 2006 | 5 | 9 |
| 2007 | 5 | 9 |
| 2008 | 5 | 16 |
| 2009 | 4 | 13 |
| 2010 | 7 | 7 |
| 2011 | 4 | 7 |
| 2012 | 7 | 10 |
| 2013 | 5 | 11 |
| 2014 | 6 | 16 |
| 2015 | 8 | 13 |
| 2016 | 11 | 14 |
| 2017 | 8 | 10 |
| 2018 | 6 | 15 |
| 2019 | 8 | 6 |
| 2020 | 8 | 11 |
| 2021 | 4 | 13 |
| 2022 | 11 | 18 |
| 2023 | 11 | 8 |
| 2024 | 9 | 10 |
| 2025 | 6 | 9 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and method for separating particles in a liquid, kit containing the device, and applications of the device1 Sep 2026US 12,722,126 B2Cell.Copedia GmbH
- Controlled printing surface and method of forming topographical features on a controlled printing surface9 Jun 2026US 12,649,264 B2Henkel AG & Co. KGaA
- 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
- 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
- Systems, Methods, and Devices for Removing Circulating Tumor Cells from Blood14 May 2026US 2026/0131063 A1Onco Filtration, Inc.
- 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
- Membrane using 3d printing and its manufacturing method26 Feb 2026US 2026/0054226 A1
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
- Method of manufacturing a porous balloon234US 6,585,926 B1Advanced Cardiovascular Systems, Inc. · 2003
- Mesoscale sample preparation device and systems for determination and processing of analytes182US 6,184,029 B2The Trustees of the University of Pennsylvania · 2001