D01G 15/20
Feed rollers
Official title: Feed rollers; Takers-in
D01G15/20 (Feed rollers) appears on 35 US grants and 13 published applications in this corpus.
Search patents in D01G- Granted patents
- 35
- Published applications
- 13
- Assignees
- 19
- Inventors
- 57
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 3 |
| 2022 | 1 | 1 |
| 2023 | 2 | 3 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for fiber cleaning, alignment, and sizing30 Jun 2026US 12,668,919 B1
- Machines systems and methods for making random fiber webs3 Feb 2026US 12,540,422 B23M Innovative Properties Company
- Machine systems and methods for making random fiber webs3 Feb 2026US 12,540,426 B23M Innovative Properties Company
- Machines systems and methods for making random fiber webs28 Oct 2025US 12,454,778 B23M Innovative Properties Company
- Machines systems and methods for making random fiber webs14 Nov 2023US 11,814,754 B23M Innovative Properties Company
- Machine systems and methods for making random fiber webs14 May 2026US 2026/0132557 A13M Innovative Properties Company
- Recycled carbon fiber nonwoven fabric manufacturing system including chute carding machine30 Oct 2025US 2025/0333885 A1Sdac Co, Ltd
- Machines systems and methods for making random fiber webs21 Dec 2023US 2023/0407529 A13M Innovative Properties Company
- Machines systems and methods for making random fiber webs14 Dec 2023US 2023/0399780 A13M Innovative Properties Company
- Machine systems and methods for making random fiber webs9 Feb 2023US 2023/0041502 A13M Innovative Properties Company
Most cited
By later US patents
- Feeding device for advancing fiber material to a fiber processing machine17US 6,163,931 ATrutzschler GmbH & Co. KG · 2000
- Web forming apparatus and method16US 3,982,302 AScott Paper Company · 1976
- Cleaner-opener-comber device for textile fibers in combing machines14US 4,355,439 A1982
- Carding apparatus and method14US 4,524,492 A1985
- Textile recycling machine13US 6,061,876 AJohn D. Hollingsworth on Wheels, Inc. · 2000