B01J 20/28023
Fibres or filaments
Official title: {Fibres or filaments (fibres or filaments in the form of membranes B01J20/28038; B01J20/28007 takes precedence)}
B01J20/28023 (Fibres or filaments) appears on 622 US grants and 758 published applications in this corpus.
Search patents in B01J- Granted patents
- 622
- Published applications
- 758
- Assignees
- 529
- Inventors
- 1,985
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 8 | 0 |
| 1988 | 7 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 12 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 16 | 0 |
| 1999 | 14 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 2 |
| 2002 | 12 | 22 |
| 2003 | 20 | 32 |
| 2004 | 18 | 28 |
| 2005 | 13 | 32 |
| 2006 | 14 | 28 |
| 2007 | 17 | 26 |
| 2008 | 13 | 28 |
| 2009 | 13 | 22 |
| 2010 | 16 | 26 |
| 2011 | 13 | 22 |
| 2012 | 19 | 20 |
| 2013 | 20 | 29 |
| 2014 | 17 | 30 |
| 2015 | 18 | 34 |
| 2016 | 22 | 37 |
| 2017 | 28 | 37 |
| 2018 | 23 | 27 |
| 2019 | 27 | 42 |
| 2020 | 19 | 31 |
| 2021 | 26 | 39 |
| 2022 | 25 | 40 |
| 2023 | 28 | 34 |
| 2024 | 17 | 36 |
| 2025 | 26 | 30 |
| 2026 | 18 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Channeled fibers in separation of biologically active nanoparticles22 Sep 2026US 12,741,234 B2Clemson University Research Foundation
- Ammonium-functionalized polysulfone copolymers for moisture-swing CO2 capture22 Sep 2026US 12,741,265 B2Arizona Board of Regents on behalf of Arizona State University
- Liquid compositions, uses and method of making the same25 Aug 2026US 12,714,981 B1Stewart Superabsorbents, LLC
- Polymeric sorbent fiber compositions incorporating metal organic frameworks25 Aug 2026US 12,714,983 B2ExxonMobil Technology and Engineering Company
- Layered absorbent substrate incorporating activated carbon and superabsorbent materials7 Jul 2026US 12,673,229 B2Star Liberty LLC
- Novel materials and methods for refining processes17 Sep 2026US 2026/0273436 A1Lihme Protein Solutions ApS
- Chromatography medium and process17 Sep 2026US 2026/0273508 A1Cytiva BioProcess R&D AB
- Kappa light chain-binding convection matrix3 Sep 2026US 2026/0258092 A1Cytiva BioProcess R&D AB
- Monolithic microporous substrate for chromatographic beds27 Aug 2026US 2026/0249270 A1
- Amine-functionalized cellulose material, method for producing same, and use thereof as co2 adsorber13 Aug 2026US 2026/0234849 A1
Most cited
By later US patents
- Affinity matrices of modified polysaccharide supports427US 5,059,654 ACuno Incorporated · 1991
- Microporous filter media, filtration systems containing same, and methods of making and using143US 6,835,311 B2Koslow Technologies Corporation · 2004
- Block copolymer processing for mesostructured inorganic oxide materials131US 6,592,764 B1The Regents of the University of California · 2003
- Process for continuously producing carbon fabric adsorbents and device therefor126US 5,819,350 A1998
- Composite materials comprising supported porous gels116US 7,316,919 B2Nysa Membrane Technologies · 2008