D01F 4/02
From fibroin
Official title: from fibroin
D01F4/02 (From fibroin) appears on 101 US grants and 181 published applications in this corpus.
Search patents in D01F- Granted patents
- 101
- Published applications
- 181
- Assignees
- 74
- Inventors
- 359
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 0 | 4 |
| 2005 | 1 | 4 |
| 2006 | 3 | 2 |
| 2007 | 1 | 6 |
| 2008 | 0 | 1 |
| 2009 | 1 | 4 |
| 2010 | 4 | 10 |
| 2011 | 5 | 7 |
| 2012 | 2 | 4 |
| 2013 | 4 | 6 |
| 2014 | 3 | 7 |
| 2015 | 9 | 5 |
| 2016 | 0 | 6 |
| 2017 | 3 | 2 |
| 2018 | 6 | 10 |
| 2019 | 4 | 11 |
| 2020 | 2 | 18 |
| 2021 | 9 | 15 |
| 2022 | 7 | 23 |
| 2023 | 8 | 10 |
| 2024 | 5 | 6 |
| 2025 | 11 | 13 |
| 2026 | 8 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- Blended yarn, knitted/woven body of same, and method for manufacturing said knitted/woven body30 Jun 2026US 12,668,896 B2Crane Co.
- Split intein mediated protein polymerization for microbial production of materials2 Jun 2026US 12,643,928 B2Washington University
- 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
- Compression and heat-assisted production of silk-based materials25 Jun 2026US 2026/0176795 A1
- Hydration-responsive silk-based material, its use and preparation23 Apr 2026US 2026/0110116 A1City University of Hong Kong
- Apparatus for degradation of an acoustically responsive biomaterial20 Nov 2025US 2025/0352694 A1Carnegie Mellon University
Most cited
By later US patents
- 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
- Silk biomaterials and methods of use thereof133US 7,674,882 B2Massachusetts Institute of Technology · 2010
- Silk fibroin materials and use thereof102US 7,842,780 B2Massachusetts Institute of Technology · 2010
- Methods and apparatus for spinning spider silk protein80US 7,057,023 B2Nexia Biotechnologies, Inc. · 2006