D01B 3/04
Machines or apparatus for washing or scouring loose wool fibres
D01B3/04 (Machines or apparatus for washing or scouring loose wool fibres) appears on 6 US grants and 6 published applications in this corpus.
Search patents in D01B- Granted patents
- 6
- Published applications
- 6
- Assignees
- 8
- Inventors
- 20
- Latest grant
- 8 Feb 2011
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 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 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Composite Alpaca yarn and process for making same8 Feb 2011US 7,882,687 B2
- Method for significantly enhancing the quality of scoured wool and machinery for achieving those enhancements25 Mar 2003US 6,537,326 B1Wool Research Organisation of New Zealand, Inc.
- Wool scouring21 Sep 1999US 5,954,841 APrimary Applications Limited
- Method of preparing a scoured animal hair material10 Aug 1982US 4,343,619 AAsahi-Dow Limited
- Process and apparatus for the purification and re-use of wool-scouring liquors18 Sep 1979US 4,168,143 ACommonwealth Scientific and Industrial Research
- Method and apparatus for the washing of feathers and removing of extraneous material11 Jul 2024US 2024/0229298 A1Tessenderlo Group NV
- Woolen wool washing apparatus for chemical fiber production11 Jun 2020US 2020/0181803 A1
- Fibre and particulate processing13 Apr 2017US 2017/0101725 A1AgResearch Limited
- Method to Wash Greasy Wool, A Method to Separate Lanolin from the Said Greasy Wool, Wool and Lanolin Obtainable by These Methods21 Aug 2014US 2014/0235824 A1Erutan BV
- Fibre and particulate processing13 Dec 2012US 2012/0311795 A1AgResearch Limited
Most cited
By later US patents
- Wool scouring4US 5,954,841 APrimary Applications Limited · 1999
- Process and apparatus for the purification and re-use of wool-scouring liquors3US 4,168,143 ACommonwealth Scientific and Industrial Research · 1979
- Method of preparing a scoured animal hair material3US 4,343,619 AAsahi-Dow Limited · 1982
- Composite Alpaca yarn and process for making same3US 7,882,687 B22011
- Laundering apparatus and method, continuous with recirculation2US 3,961,503 A1976