D21B 1/063
Using grinding devices
Official title: {using grinding devices}
D21B1/063 (Using grinding devices) appears on 66 US grants and 79 published applications in this corpus.
Search patents in D21B- Granted patents
- 66
- Published applications
- 79
- Assignees
- 46
- Inventors
- 124
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 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 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 1 | 5 |
| 2014 | 2 | 5 |
| 2015 | 7 | 4 |
| 2016 | 5 | 10 |
| 2017 | 5 | 7 |
| 2018 | 4 | 5 |
| 2019 | 4 | 5 |
| 2020 | 4 | 11 |
| 2021 | 7 | 6 |
| 2022 | 10 | 4 |
| 2023 | 2 | 3 |
| 2024 | 3 | 4 |
| 2025 | 0 | 2 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for producing and using fibrillated biodegradable microfibers7 Jul 2026US 12,674,278 B2
- System and method for fiber cleaning, alignment, and sizing30 Jun 2026US 12,668,919 B1
- Method for producing a cellulose product and a cellulose product5 May 2026US 12,618,196 B2PulPac AB
- Method and processing system for reducing volatile organic compounds from wood chips21 Apr 2026US 12,606,954 B2Fiberboard GmbH
- Preparation method of tea residue fiber raw materials and application thereof22 Oct 2024US 12,123,142 B2
- Pulverization device2 Jul 2026US 2026/0185301 A1Zuiko Corporation
- Methods for Liberating Trichome Fibers from Portions of a Host Plant6 Mar 2025US 2025/0075428 A1The Procter & Gamble Company
- A method for producing a cellulose product and a cellulose product13 Feb 2025US 2025/0052005 A1PulPac AB
- Cellulose hydrolysis apparatus for use with high solids loading5 Dec 2024US 2024/0399431 A1Episome Biyoteknolojik Urunler Sanayi Ticaret Anonim Sirketi [Tr]/[Tr]
- System and method of manufacture of cellulose insulation19 Sep 2024US 2024/0309584 A1Ntip LLC
Most cited
By later US patents
- Paper recycling system and paper recycling method54US 8,882,965 B2Seiko Epson Corporation · 2014
- Method for co-refining dry urban wood chips and blends of dry urban wood chips and thermoplastic resins for the production of high quality fiberboard products27US 5,624,616 A1997
- Paper recycling device and paper recycling method24US 9,194,081 B2Seiko Epson Corporation · 2015
- Sheet manufacturing apparatus10US 9,045,857 B2Seiko Epson Corporation · 2015
- Methods for liberating trichome fibers form portions of a host plant8US 10,309,057 B2The Procter & Gamble Company · 2019