D01D 5/12
Stretch-spinning methods
Official title: Stretch-spinning methods ({D01D5/098 takes precedence} finishing by stretching D02J1/22)
D01D5/12 (Stretch-spinning methods) appears on 509 US grants and 514 published applications in this corpus.
Search patents in D01D- Granted patents
- 509
- Published applications
- 514
- Assignees
- 344
- Inventors
- 1,493
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 14 | 0 |
| 1978 | 11 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 10 | 0 |
| 1982 | 6 | 0 |
| 1983 | 8 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 10 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 8 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 1 |
| 2002 | 8 | 14 |
| 2003 | 7 | 7 |
| 2004 | 10 | 6 |
| 2005 | 3 | 6 |
| 2006 | 3 | 2 |
| 2007 | 3 | 8 |
| 2008 | 1 | 2 |
| 2009 | 1 | 32 |
| 2010 | 10 | 21 |
| 2011 | 10 | 23 |
| 2012 | 13 | 17 |
| 2013 | 13 | 32 |
| 2014 | 12 | 21 |
| 2015 | 11 | 35 |
| 2016 | 25 | 25 |
| 2017 | 22 | 32 |
| 2018 | 25 | 23 |
| 2019 | 15 | 25 |
| 2020 | 26 | 35 |
| 2021 | 18 | 32 |
| 2022 | 19 | 38 |
| 2023 | 21 | 33 |
| 2024 | 23 | 22 |
| 2025 | 19 | 18 |
| 2026 | 15 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High-strength polyethylene yarn having an improved shrinkage rate and method for manufacturing the same28 Jul 2026US 12,692,629 B2Kolon Industries, Inc.
- Aramid nanofiber filaments and related methods14 Jul 2026US 12,680,197 B2The Regents of the University of Michigan
- Portable spinner and methods of use14 Jul 2026US 12,680,206 B2Temple University of the Commonwealth System of Higher Education
- Nanoparticle filtration membrane and the manufacturing method thereof16 Jun 2026US 12,654,135 B2Cabomba LLC
- Polyethylene yarn of high tenacity having high dimensional stability and method for manufacturing the same26 May 2026US 12,637,789 B2Kolon Industries, Inc.
- Carbon fiber precursor fiber bundle, thermally-stabilized fiber bundle, production method thereof, and method for producing carbon fiber bundle24 Sep 2026US 2026/0286575 A1Kabushiki Kaisha Toyota Chuo Kenkyusho
- Tire cord and manufacturing method thereof20 Aug 2026US 2026/0241748 A1Kolon Industries, Inc.
- Polymer strand and process for producing a polymer strand4 Jun 2026US 2026/0152877 A13Dbiofibr Inc.
- Method for producing an elastic yarn by means of melt extrusion spinning22 Jan 2026US 2026/0022498 A1Decathlon
- Fibrous constructs with therapeutic material particles11 Dec 2025US 2025/0375476 A1Merit Medical Systems, Inc.
Most cited
By later US patents
- Lyocell fibers and process for their preparation138US 6,235,392 B1Weyerhaeuser Company · 2001
- Lyocell fibers having enhanced CV properties115US 6,221,487 B1Weyerhauser Company · 2001
- Process for making polymer filaments which have a high tensile strength and a high modulus107US 4,344,908 AStamicarbon B. V. · 1982
- Filament draw nozzle99US 4,322,027 ACrown Zellerbach Corporation · 1982
- Lyocell nonwoven fabric98US 7,067,444 B2Weyerhaeuser Company · 2006