D01B 7/00
Obtaining silk fibres or filaments
D01B7/00 (Obtaining silk fibres or filaments) appears on 23 US grants and 32 published applications in this corpus.
Search patents in D01B- Granted patents
- 23
- Published applications
- 32
- Assignees
- 24
- Inventors
- 86
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 3 |
| 2019 | 0 | 3 |
| 2020 | 1 | 3 |
| 2021 | 0 | 5 |
| 2022 | 3 | 1 |
| 2023 | 3 | 6 |
| 2024 | 6 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus for producing a bagworm silk thread, and method of producing long bagworm silk thread9 Sep 2025US 12,408,643 B2Kowa Company, Ltd.
- Apparatus for collecting bagworm silk thread and method for producing long bagworm silk thread15 Oct 2024US 12,116,700 B2Kowa Company, Ltd.
- Method for producing thread bundle of bagworm silk thread16 Jul 2024US 12,037,708 B2Kowa Company, Ltd.
- Drying apparatus and drying method for raw silk degumming process16 Jul 2024US 12,037,709 B2Soochow University
- Automated process for silk fibroin extraction19 Mar 2024US 11,932,968 B2Canon Virginia, 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.
- Fibroin molded body and mixture for molding6 Mar 2025US 2025/0075045 A1Canon Virginia, Inc.
- Devices and methods for liquid processing of fibrous solids7 Nov 2024US 2024/0368807 A1
- Method for producing long bagworm silk threads and production device therefor28 Dec 2023US 2023/0416943 A1National Agriculture and Food Research Organization
- Marking silk products9 Nov 2023US 2023/0357958 A1
Most cited
By later US patents
- Precursor silk feedstock for forming filaments40US 7,041,797 B2Spintec Engineering GmbH · 2006
- Character pattern normalization method and apparatus for optical character recognition system19US 3,967,243 ARicoh Company, Ltd. · 1976
- Dust removal in an opening and cleaning apparatus for fibrous materials5US 4,229,285 APlatt Saco Lowell Limited · 1980
- Production of colored silk filament5US 5,538,519 ADainichiseika Color & Chemicals Mfg. Co., Ltd. · 1996
- Mattress and process for producing stuffing therefor5US 6,115,859 AKabushiki Kaisha MaPePe Unit · 2000