B01D 69/088
Co-extrusion
Official title: {Co-extrusion; Co-spinning}
B01D69/088 (Co-extrusion) appears on 85 US grants and 103 published applications in this corpus.
Search patents in B01D- Granted patents
- 85
- Published applications
- 103
- Assignees
- 65
- Inventors
- 261
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 5 |
| 2012 | 1 | 3 |
| 2013 | 0 | 8 |
| 2014 | 7 | 6 |
| 2015 | 8 | 9 |
| 2016 | 3 | 7 |
| 2017 | 3 | 8 |
| 2018 | 4 | 3 |
| 2019 | 4 | 7 |
| 2020 | 4 | 4 |
| 2021 | 5 | 6 |
| 2022 | 4 | 8 |
| 2023 | 3 | 5 |
| 2024 | 7 | 5 |
| 2025 | 6 | 6 |
| 2026 | 6 | 4 |
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
- Hollow fiber and a process for preparation thereof21 Jul 2026US 12,685,972 B2E. & J. Gallo Winery
- 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
- Hollow fiber and a process for preparation thereof10 Sep 2026US 2026/0264024 A1
- Dual-layer hollow fibre membrane27 Aug 2026US 2026/0249249 A1Divigas Pet Ltd
- 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
- Fiber membrane prepared based on in-situ growth and application thereof in toluene adsorption18 Dec 2025US 2025/0381527 A1Jiangnan University
Most cited
By later US patents
- Inorganic anisotropic hollow fibers73US 4,175,153 AMonsanto Company · 1979
- Continuous method for manufacturing a Laminated electrolyte and electrode assembly44US 6,291,091 B1Ballard Power Systems Inc. · 2001
- Process to produce inorganic hollow fibers30US 4,222,977 AMonsanto Company · 1980
- Extrusion head for forming polymeric hollow fiber27US 5,318,417 A1994
- Inorganic anisotropic hollow fibers25US 4,268,278 AMonsanto Company · 1981