D21B 1/06
By dry methods
Official title: by dry methods
D21B1/06 (By dry methods) appears on 326 US grants and 348 published applications in this corpus.
Search patents in D21B- Granted patents
- 326
- Published applications
- 348
- Assignees
- 151
- Inventors
- 533
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 6 | 0 |
| 1980 | 8 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 1 |
| 2003 | 2 | 4 |
| 2004 | 1 | 3 |
| 2005 | 1 | 4 |
| 2006 | 3 | 2 |
| 2007 | 1 | 2 |
| 2008 | 2 | 5 |
| 2009 | 3 | 4 |
| 2010 | 1 | 4 |
| 2011 | 4 | 7 |
| 2012 | 5 | 10 |
| 2013 | 12 | 22 |
| 2014 | 12 | 15 |
| 2015 | 19 | 22 |
| 2016 | 15 | 30 |
| 2017 | 21 | 29 |
| 2018 | 14 | 22 |
| 2019 | 23 | 31 |
| 2020 | 21 | 27 |
| 2021 | 23 | 19 |
| 2022 | 17 | 14 |
| 2023 | 15 | 24 |
| 2024 | 14 | 22 |
| 2025 | 16 | 19 |
| 2026 | 9 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sheet manufacturing apparatus21 Jul 2026US 12,686,969 B2Seiko Epson Corporation
- 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
- Dispersion device and accumulation device26 May 2026US 12,637,807 B2Seiko Epson Corporation
- Method for producing a cellulose product and a cellulose product5 May 2026US 12,618,196 B2PulPac AB
- A mill for an air-formed cellulose blank product and method for using the same17 Sep 2026US 2026/0273540 A1PulPac AB
- Method and device for producing a fibrous web20 Aug 2026US 2026/0243021 A1Andritz Kuesters GmbH
- Pulverization device2 Jul 2026US 2026/0185301 A1Zuiko Corporation
- A method and machine for producing cellulose fluff19 Feb 2026US 2026/0048955 A1Fameccanica, Data S.P A.
- Sheet production apparatus and sheet production method of sheet production apparatus22 Jan 2026US 2026/0022516 A1Seiko Epson Corporation
Most cited
By later US patents
- Processing biomass176US 7,932,065 B2Xyleco, Inc. · 2011
- System and method for producing bonded fiber/cellulose products111US 8,795,470 B22014
- Screenless disk mill84US 5,195,684 ACurt G. Joa, Inc. · 1993
- Paper products and methods and systems for manufacturing such products66US 7,867,358 B2Xyleco, Inc. · 2011
- Bale loader for fluff generator63US 4,141,509 ACurt G. Joa, Inc. · 1979