B01D 69/082
Characterised by the cross-sectional shape of the fibre
Official title: {characterised by the cross-sectional shape of the fibre}
B01D69/082 (Characterised by the cross-sectional shape of the fibre) appears on 45 US grants and 61 published applications in this corpus.
Search patents in B01D- Granted patents
- 45
- Published applications
- 61
- Assignees
- 46
- Inventors
- 134
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 3 | 5 |
| 2014 | 0 | 3 |
| 2015 | 2 | 3 |
| 2016 | 1 | 2 |
| 2017 | 4 | 3 |
| 2018 | 2 | 2 |
| 2019 | 0 | 8 |
| 2020 | 1 | 4 |
| 2021 | 6 | 6 |
| 2022 | 4 | 7 |
| 2023 | 4 | 1 |
| 2024 | 2 | 1 |
| 2025 | 3 | 1 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Deaerator and electrolyte measurement system18 Aug 2026US 12,710,395 B2Hitachi High-Tech Corporation
- Feed spacer for reducing differential pressure of reverse osmosis element, and formation nozzle7 Oct 2025US 12,434,193 B2LG Chem.Ltd.
- Method of manufacturing a single-piece column structure for the separation of a fluid medium12 Aug 2025US 12,383,868 B2Technologies Avancees Et Membranes Industrielles
- Membrane humidifier for fuel cell, comprising multi-channel hollow fiber membranes4 Feb 2025US 12,214,317 B2Kolon Industries, Inc.
- Hollow fiber membrane and method for producing hollow fiber membrane30 Jul 2024US 12,048,898 B2TOYOBO MC Corporation
- Porous hollow fiber membrane and blood purification module24 Sep 2026US 2026/0284607 A1Toray Industries, Inc.
- Microporous Hollow Fiber Webs and Methods of Making Same19 Mar 2026US 2026/0077316 A13M Innovative Properties Company
- Asymmetric Hollow Fiber Membrane12 Mar 2026US 2026/0070024 A1Solventum Intellectual Properties Company
- Hollow-Fiber Membrane Made From A Polymeric Blend Comprising An Aromatic Sulfone Polymer And Polyoxazoline12 Mar 2026US 2026/0070027 A1Solventum Intellectual Properties Company
- Covalent organic frameworks on hollow fibre substrates with janus-like characteristics for solvent separation5 Feb 2026US 2026/0034517 A1National University of Singapore
Most cited
By later US patents
- Polyvinylidene fluoride type resin hollow filament microfilter and process for producing the same88US 4,399,035 AAsahi Kasei Kogyo Kabushiki Kaisha · 1983
- Aromatic polysulfone type resin hollow fiber membrane and process for producing the same38US 4,481,260 AAsahi Kasei Kogyo Kabushiki Kaisha · 1984
- Convoluted surface hollow fiber membranes21US 6,805,730 B2Amersham Biosciences Membrane Separations Corp. · 2004
- Aromatic polysulfone type resin hollow fiber membrane and a process for producing the same18US 4,822,489 AAsahi Kasei Kogyo Kabushiki Kaisha · 1989
- Hollow fiber of cuprammonium regenerated cellulose and process for producing the same13US 4,535,028 AAsahi Kasei Kogyo Kabushiki Kaisha · 1985