D01G 11/04
Opening rags to obtain fibres for re-use
Official title: Opening rags to obtain fibres for re-use (mechanical treatment of rags for paper-making D21B)
D01G11/04 (Opening rags to obtain fibres for re-use) appears on 32 US grants and 37 published applications in this corpus.
Search patents in D01G- Granted patents
- 32
- Published applications
- 37
- Assignees
- 27
- Inventors
- 90
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 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 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 3 | 3 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 3 |
| 2017 | 0 | 2 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 2 | 3 |
| 2021 | 0 | 1 |
| 2022 | 1 | 3 |
| 2023 | 1 | 4 |
| 2024 | 4 | 1 |
| 2025 | 2 | 6 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fiber processing method21 Apr 2026US 12,606,940 B2Seiko Epson Corporation
- Manufacturing method of recycled polyester yarn using waste fabric3 Mar 2026US 12,565,720 B1Sam Bu Fine Chemical Co., Ltd.
- Arrangement for separating a woven textile into recovered fibers and textile residual17 Feb 2026US 12,553,155 B2Respin LLC
- Enzyme extraction methods7 Oct 2025US 12,435,452 B2Arizona Board of Regents on behalf of Arizona State University
- Protective fabric and process of manufacturing same3 Jun 2025US 12,320,039 B2General Recycled
- Method for manufacturing upcycled coated gloves using waste fibers, and upcycled coated gloves manufactured thereby13 Aug 2026US 2026/0234836 A1Ziro. Co., Ltd.
- Waste textile opener and control method9 Jul 2026US 2026/0193817 A1Qingdao Hongda Textile Machinery Co., Ltd.
- Enzyme extraction methods1 Jan 2026US 2026/0002295 A1Arizona Board of Regents on behalf of Arizona State University
- Recycled polyester yarn using waste fabric4 Dec 2025US 2025/0369160 A1Sam Bu Fine Chemical Co., Ltd.
- A method and system for recycling at least a portion of a textile material comprising polyester fibers16 Oct 2025US 2025/0319633 A1Inter IKEA Systems B.V.
Most cited
By later US patents
- Cloth scrap recycling method33US 5,481,864 A1996
- Process for recycling denim waste22US 5,369,861 ABurlington Industries, Inc. · 1994
- System and method for recycling fibers from textiles waste19US 10,458,047 B2Novetex Textiles Limited · 2019
- Sound and thermal insulating construction element17US 4,029,839 A1977
- Use of at least forty percent recycled denim waste10US 5,471,720 ABurlington Industries, Inc. · 1995