D01F 4/00
Monocomponent artificial filaments or the like of proteins
Official title: Monocomponent artificial filaments or the like of proteins; Manufacture thereof
D01F4/00 (Monocomponent artificial filaments or the like of proteins) appears on 274 US grants and 439 published applications in this corpus.
Search patents in D01F- Granted patents
- 274
- Published applications
- 439
- Assignees
- 236
- Inventors
- 958
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 4 |
| 2003 | 2 | 9 |
| 2004 | 3 | 10 |
| 2005 | 2 | 10 |
| 2006 | 6 | 9 |
| 2007 | 2 | 6 |
| 2008 | 2 | 3 |
| 2009 | 2 | 15 |
| 2010 | 7 | 21 |
| 2011 | 8 | 11 |
| 2012 | 10 | 15 |
| 2013 | 10 | 21 |
| 2014 | 8 | 17 |
| 2015 | 16 | 14 |
| 2016 | 4 | 18 |
| 2017 | 9 | 22 |
| 2018 | 14 | 21 |
| 2019 | 11 | 33 |
| 2020 | 12 | 36 |
| 2021 | 21 | 28 |
| 2022 | 22 | 34 |
| 2023 | 18 | 26 |
| 2024 | 15 | 15 |
| 2025 | 18 | 29 |
| 2026 | 13 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Biodegradable textile fibers with inherent color and properties18 Aug 2026US 12,709,640 B2The Trustees of Columbia University in the City of New York
- Fiber for artificial hairs, artificial hair, method for producing fiber for artificial hairs, and method for producing artificial hair28 Jul 2026US 12,690,634 B2Aderans Co., Ltd.
- Recombinant-structure protein multifilament and method for manufacturing same21 Jul 2026US 12,686,954 B2Crane Co.
- Hydration-responsive shape-memory keratin composite fibers and fabrication methods thereof14 Jul 2026US 12,678,336 B2City University of Hong Kong
- Blended yarn, knitted/woven body of same, and method for manufacturing said knitted/woven body30 Jun 2026US 12,668,896 B2Crane Co.
- System and method for manufacture of collagen fibers17 Sep 2026US 2026/0275579 A1Embody, Inc.
- Crane arm pulley system over the horizontal manufacturing plane for microfluidic extrusion17 Sep 2026US 2026/0275580 A1Embody, Inc.
- Method for producing thread bundle derived from bagworm silk threads spun on the surface of a base material10 Sep 2026US 2026/0265957 A1Kowa Company, Ltd.
- Recombinant polypeptide23 Jul 2026US 2026/0209287 A1Humble Bee Limited
- Textile dyeing16 Jul 2026US 2026/0201638 A1Prism Bio, Inc.
Most cited
By later US patents
- Collagen constructs231US 5,256,418 AOrganogenesis, Inc. · 1993
- Synthetically spun silk nanofibers and a process for making the same162US 6,110,590 AThe University of Akron · 2000
- Concentrated aqueous silk fibroin solution and use thereof139US 7,635,755 B2Trustees of Tufts College · 2009
- Aqueous collagen composition138US 4,140,537 ACollagen Corporation · 1979
- Silk biomaterials and methods of use thereof133US 7,674,882 B2Massachusetts Institute of Technology · 2010