D01B 3/00
Mechanical removal of impurities from animal fibres
Official title: Mechanical removal of impurities from animal fibres (carbonising rags to recover animal fibres D01C5/00)
D01B3/00 (Mechanical removal of impurities from animal fibres) appears on 37 US grants and 12 published applications in this corpus.
Search patents in D01B- Granted patents
- 37
- Published applications
- 12
- Assignees
- 22
- Inventors
- 69
- Latest grant
- 14 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method for producing long bagworm silk threads and production device therefor14 Nov 2023US 11,814,751 B2National Agriculture and Food Research Organization
- Trash separator4 Nov 2014US 8,875,897 B2Uster Technologies AG
- Trash separator30 Jul 2013US 8,496,114 B1Uster Technologies AG
- Fiber tumbler with changeable screen grid size8 May 2012US 8,171,601 B1
- Composite Alpaca yarn and process for making same8 Feb 2011US 7,882,687 B2
- Method and apparatus for the washing of feathers and removing of extraneous material11 Jul 2024US 2024/0229298 A1Tessenderlo Group NV
- Method for producing long bagworm silk threads and production device therefor28 Dec 2023US 2023/0416943 A1National Agriculture and Food Research Organization
- Woolen wool washing apparatus for chemical fiber production11 Jun 2020US 2020/0181803 A1
- Method for producing long bagworm silk threads and production device therefor21 May 2020US 2020/0157706 A1National Agriculture and Food Research Organization
- Fibre and particulate processing13 Apr 2017US 2017/0101725 A1AgResearch Limited
Most cited
By later US patents
- Apparatus for separating foreign bodies from a fiber tuft stream25US 5,791,489 ATrutzschler GmbH & Co. KG · 1998
- Apparatus for eliminating metallic contaminations from a fibre transporting duct in spinning preparation21US 4,171,262 ARieter Machine Works, Ltd. · 1979
- Apparatus and method for recognizing and separating foreign bodies from fiber in a fiber processing machine18US 5,819,373 ATrutzschler GmbH & Co. KG · 1998
- Apparatus for detecting foreign bodies in a fiber tuft mass16US 4,839,943 ATrutzschler GmbH & Co. KG · 1989
- Recognizing unwanted material in textile fibers16US 5,125,514 AMaschinenfabrik Rieter AG · 1992