D01G 15/40
Feeding apparatus
Official title: Feeding apparatus (fibre-feeding apparatus of general application to fibre-treating machines, e.g. hopper feeders D01G23/00)
D01G15/40 (Feeding apparatus) appears on 37 US grants and 20 published applications in this corpus.
Search patents in D01G- Granted patents
- 37
- Published applications
- 20
- Assignees
- 24
- Inventors
- 43
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 10 |
| 2010 | 0 | 0 |
| 2011 | 10 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Fiber preparation machine20 May 2025US 12,305,311 B2Maschinenfabrik Rieter AG
- Feed device of a machine for forming a nonwoven web16 May 2023US 11,649,568 B2Oskar Dilo Maschinenfabrik KG
- Production of slivers of milkweed fibers7 Sep 2021US 11,111,608 B2Amirkabir University of Technology
- Carding apparatus and carding method15 Oct 2019US 10,443,155 B2Autefa Solutions Germany GmbH
- Multi-fiber carding apparatus and method24 Jan 2017US 9,551,092 B2American Felt & Filter Company
- Feeding method of a carding machine in order to obtain a blended yarn, yarn and fabric obtain with it23 Feb 2023US 2023/0056331 A1Lightowlers Yarns Limited
- Fiber preparation machine10 Feb 2022US 2022/0042212 A1Maschinenfabrik Rieter AG
- Feed Device of a Machine for Forming a NonWoven Web27 Aug 2020US 2020/0270786 A1Oskar Dilo Maschinenfabrik KG
- Production of slivers of milkweed fibers5 Jul 2018US 2018/0187339 A1Amirkabir University of Technology
- Carding apparatus and carding method15 Dec 2016US 2016/0362818 A1Autefa Solutions Germany GmbH
Most cited
By later US patents
- Batt stabilization in cross-lapped web manufacturing apparatus17US 4,830,351 AMorrison Berkshire, Inc. · 1989
- Feeding device for advancing fiber material to a fiber processing machine17US 6,163,931 ATrutzschler GmbH & Co. KG · 2000
- Method and apparatus for operating a fiber tuft feeder15US 4,987,646 ATrutzschler GmbH & Co. KG · 1991
- Taker-in-part of the conventional flat card7US 4,064,598 AKabushiki Kaisha Toyoda Jidoshokki Seisakusho · 1977
- Fiber-disintegrating unit for a spinning machine6US 4,067,181 A1978