B01D 69/087
Details relating to the spinning process
Official title: {Details relating to the spinning process}
B01D69/087 (Details relating to the spinning process) appears on 307 US grants and 404 published applications in this corpus.
Search patents in B01D- Granted patents
- 307
- Published applications
- 404
- Assignees
- 196
- Inventors
- 894
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 4 |
| 2005 | 1 | 3 |
| 2006 | 3 | 5 |
| 2007 | 3 | 7 |
| 2008 | 3 | 6 |
| 2009 | 2 | 12 |
| 2010 | 2 | 14 |
| 2011 | 5 | 23 |
| 2012 | 7 | 22 |
| 2013 | 11 | 25 |
| 2014 | 21 | 21 |
| 2015 | 16 | 32 |
| 2016 | 18 | 36 |
| 2017 | 21 | 21 |
| 2018 | 20 | 21 |
| 2019 | 14 | 28 |
| 2020 | 16 | 20 |
| 2021 | 24 | 21 |
| 2022 | 15 | 20 |
| 2023 | 13 | 17 |
| 2024 | 17 | 20 |
| 2025 | 13 | 14 |
| 2026 | 13 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hollow fiber microporous membrane, and gas separation membrane module with same built thereinto6 Oct 2026US 12,752,243 B2Toray Industries, Inc.
- 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 membrane and method for producing same28 Jul 2026US 12,691,415 B2Kolon Industries, Inc.
- Hollow fiber and a process for preparation thereof21 Jul 2026US 12,685,972 B2E. & J. Gallo Winery
- Fluid separation membranes and use thereof7 Jul 2026US 12,673,298 B1Semicom Dwc-LLC
- Conductive hollow fiber membrane and preparation method thereof and membrane assembly24 Sep 2026US 2026/0284601 A1Cangzhou Institute of Tiangong University
- 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
- High capacity production of carbon molecular sieve membranes6 Aug 2026US 2026/0225033 A1
- On-line drying of hollow fiber membranes30 Jul 2026US 2026/0216658 A1
Most cited
By later US patents
- Filtration membranes, and related nano and/or micro fibers, composites, methods and systems254US 10,532,330 B2California Institute of Technology · 2020
- Porous polyvinylidene fluoride resin film and process for producing the same79US 6,299,773 B1Asahi Kasei Kogyo Kabushiki Kaisha · 2001
- Bleach resistant polysulfone/polyurethane composite membranes75US 5,431,817 AW. R. Grace & Co.-Conn. · 1995
- Inorganic anisotropic hollow fibers73US 4,175,153 AMonsanto Company · 1979
- Dialysis membrane of cellulose in the shape of a hollow fiber, and process for the production thereof67US 4,933,084 AAkzo N. V. · 1990