D21B 1/068
By cutting actions
Official title: {by cutting actions}
D21B1/068 (By cutting actions) appears on 17 US grants and 14 published applications in this corpus.
Search patents in D21B- Granted patents
- 17
- Published applications
- 14
- Assignees
- 11
- Inventors
- 39
- Latest grant
- 25 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 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 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 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 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sheet manufacturing system25 Mar 2025US 12,258,713 B2Seiko Epson Corporation
- Fiber transport apparatus7 May 2024US 11,976,415 B2Seiko Epson Corporation
- Servo control device and method for disc gap in disc powder grinding system1 Jun 2021US 11,020,749 B2Northeastern University
- Process for producing a flaked thermal-insulating and/or acoustic-insulating material25 Aug 2020US 10,753,044 B2Enerpaper S.R.L.
- Crushing mill for crushing fibrous material and a unit for forming absorbent cores in a machine which makes absorbent sanitary articles1 Jan 2019US 10,166,698 B2GDM S.p. A.
- Pulverization device2 Jul 2026US 2026/0185301 A1Zuiko Corporation
- Solid phase matrix for crop protection7 Dec 2023US 2023/0389543 A1North Carolina State University
- Sheet manufacturing system5 Oct 2023US 2023/0313461 A1Seiko Epson Corporation
- Fiber transport apparatus24 Dec 2020US 2020/0399825 A1Seiko Epson Corporation
- Servo control device and method for disc gap in disc powder grinding system2 Apr 2020US 2020/0101468 A1Northeastern University
Most cited
By later US patents
- Bale loader for fluff generator63US 4,141,509 ACurt G. Joa, Inc. · 1979
- Fiber separation from pulp sheet stacks28US 4,241,881 AKimberly-Clark Corporation · 1980
- Pulp flaker17US 7,291,244 B2Weyerhaeuser Company · 2007
- Sheet manufacturing apparatus10US 9,045,857 B2Seiko Epson Corporation · 2015
- Method and apparatus for producing defibrated cellulose fluff from bales of compacted wood pulp sheets8US 3,967,785 ACurt G. Joa, Inc. · 1976