D21B 1/061
Using cutting devices
Official title: {using cutting devices}
D21B1/061 (Using cutting devices) appears on 65 US grants and 76 published applications in this corpus.
Search patents in D21B- Granted patents
- 65
- Published applications
- 76
- Assignees
- 37
- Inventors
- 131
- Latest grant
- 30 Jun 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 | 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 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 3 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 2 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 4 |
| 2013 | 6 | 10 |
| 2014 | 3 | 3 |
| 2015 | 4 | 4 |
| 2016 | 1 | 4 |
| 2017 | 3 | 4 |
| 2018 | 4 | 4 |
| 2019 | 3 | 2 |
| 2020 | 2 | 6 |
| 2021 | 2 | 7 |
| 2022 | 4 | 2 |
| 2023 | 8 | 8 |
| 2024 | 5 | 8 |
| 2025 | 7 | 1 |
| 2026 | 4 | 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
- Dispersion device and accumulation device26 May 2026US 12,637,807 B2Seiko Epson Corporation
- Hemp separation apparatus21 Apr 2026US 12,606,938 B2
- Hyaluronate nonwoven fabric and manufacturing method therefor6 Jan 2026US 12,514,961 B2Fiber Tech, Inc.
- Absorbent paper products having unique physical strength properties11 Nov 2025US 12,467,206 B2Mercer International Inc.
- Pulverization device2 Jul 2026US 2026/0185301 A1Zuiko Corporation
- Hemp separation methods and apparatus7 Aug 2025US 2025/0250716 A1
- A method for chemical pulp production in a multi-stage process12 Dec 2024US 2024/0410109 A1Andritz Inc.
- Method and apparatus for producing a mouldable cellulosic fibrous material28 Nov 2024US 2024/0392502 A1Papyrus Australia Limited
- Defibration device3 Oct 2024US 2024/0328082 A1Seiko Epson Corporation
Most cited
By later US patents
- Method and apparatus for rechipping wood chips18US 4,235,382 ARader Companies, Inc. · 1980
- Decortication process13US 7,669,292 B22010
- Wood-reducing apparatus with continual feeder assembly11US 7,143,796 B22006
- Comminution process to produce precision wood particles of uniform size and shape with disrupted grain structure from wood chips11US 8,507,093 B2Forest Concepts, LLC · 2013
- Bimodal and multimodal plant biomass particle mixtures8US 8,481,160 B2Forest Concepts, LLC · 2013