B01D 69/085
Details relating to the spinneret
Official title: {Details relating to the spinneret}
B01D69/085 (Details relating to the spinneret) appears on 79 US grants and 78 published applications in this corpus.
Search patents in B01D- Granted patents
- 79
- Published applications
- 78
- Assignees
- 64
- Inventors
- 248
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 3 |
| 2010 | 0 | 1 |
| 2011 | 3 | 1 |
| 2012 | 2 | 4 |
| 2013 | 0 | 6 |
| 2014 | 0 | 2 |
| 2015 | 6 | 4 |
| 2016 | 4 | 7 |
| 2017 | 4 | 7 |
| 2018 | 1 | 4 |
| 2019 | 4 | 8 |
| 2020 | 4 | 4 |
| 2021 | 4 | 6 |
| 2022 | 4 | 5 |
| 2023 | 3 | 4 |
| 2024 | 5 | 2 |
| 2025 | 2 | 2 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dual-layer hollow fiber membranes and methods of making and use22 Sep 2026US 12,741,269 B2The Regents of the University of Michigan
- Assembly comprising a center-fluid distributor and a multi-fiber spinneret17 Mar 2026US 12,577,705 B2Gambro Lundia AB
- Spinneret17 Feb 2026US 12,551,853 B2Gambro Lundia AB
- Spinning beam17 Feb 2026US 12,553,153 B2Gambro Lundia AB
- Feed spacer for reducing differential pressure of reverse osmosis element, and formation nozzle7 Oct 2025US 12,434,193 B2LG Chem.Ltd.
- Polymeric membrane and methods for the production of same11 Dec 2025US 2025/0375739 A1Fresenius Medical Care Holdings, Inc.
- Hollow Fiber Membranes and Preparation Method and Use Thereof5 Jun 2025US 2025/0177925 A1China Petroleum & Chemical Corporation
- Hollow-fiber membrane and method making thereof16 May 2024US 2024/0157306 A13M Innovative Properties Company
- Spinning beam11 Jan 2024US 2024/0011194 A1Gambro Lundia AB
- High selectivity polyimide/pes blend hollow fiber membrane for gas separations28 Dec 2023US 2023/0415095 A1Uop LLC
Most cited
By later US patents
- Hollow fiber membranes and method of manufacture123US 5,762,798 AMinntech Corporation · 1998
- Hollow fiber membranes and method of manufacture37US 5,683,584 AMinntech Corporation · 1997
- Dialysate filter including an asymmetric microporous, hollow fiber membrane incorporating a polyimide31US 5,605,627 AMinntech Corporation · 1997
- Polysulfone porous hollow fiber29US 5,232,597 AKanegafuchi Kagaku Kogyo Kabushiki Kaisha · 1993
- Extrusion head for forming polymeric hollow fiber27US 5,318,417 A1994