D21C 9/007
By mechanical or physical means
Official title: {by mechanical or physical means}
D21C9/007 (By mechanical or physical means) appears on 323 US grants and 483 published applications in this corpus.
Search patents in D21C- Granted patents
- 323
- Published applications
- 483
- Assignees
- 174
- Inventors
- 758
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 3 |
| 2002 | 7 | 3 |
| 2003 | 4 | 12 |
| 2004 | 6 | 8 |
| 2005 | 5 | 10 |
| 2006 | 4 | 3 |
| 2007 | 4 | 3 |
| 2008 | 5 | 4 |
| 2009 | 3 | 4 |
| 2010 | 0 | 4 |
| 2011 | 6 | 9 |
| 2012 | 5 | 21 |
| 2013 | 8 | 17 |
| 2014 | 14 | 35 |
| 2015 | 14 | 32 |
| 2016 | 23 | 26 |
| 2017 | 10 | 26 |
| 2018 | 20 | 25 |
| 2019 | 20 | 33 |
| 2020 | 28 | 35 |
| 2021 | 18 | 39 |
| 2022 | 18 | 46 |
| 2023 | 19 | 25 |
| 2024 | 33 | 18 |
| 2025 | 18 | 25 |
| 2026 | 5 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Crystalline cellulose reinforced cement8 Sep 2026US 12,729,158 B2
- Fibrous cellulose, fibrous cellulose composite resin, and method for manufacturing fibrous cellulose24 Feb 2026US 12,559,578 B2Daio Paper Corporation
- Bamboo structures, and methods for fabrication and use thereof20 Jan 2026US 12,529,187 B2University of Maryland, College Park
- Collapsible engagement mechanism13 Jan 2026US 12,522,537 B2
- Pulping methods, methods for manufacturing paperboard, and paperboard structures6 Jan 2026US 12,516,472 B2WestRock MWV, LLC
- Cellulose-containing compositions, methods for their preparation, and uses comprising them3 Sep 2026US 2026/0258604 A1Renmatix, Inc.
- Process for producing a fibrous material27 Aug 2026US 2026/0250912 A1Stora Enso OYJ
- Preparation Method for Cellulose-based Texture Modifier and Stabilizing Agent Extracted with Deep Eutectic Solvent30 Jul 2026US 2026/0217868 A1Jiangnan University
- Materials containing cellulose nanofibers23 Jul 2026US 2026/0210042 A1Dugalunji Aboriginal Corporation
- High-bulk ctmp23 Jul 2026US 2026/0210046 A1Billerud Aktiebolag (publ)
Most cited
By later US patents
- Processing biomass176US 7,932,065 B2Xyleco, Inc. · 2011
- Absorbent articles with nits and free-flowing particles154US 6,667,424 B1Kimberly-Clark Worldwide, Inc. · 2003
- Super microfibrillated cellulose, process for producing the same, and coated paper and tinted paper using the same136US 6,183,596 B2Tokushu Paper Mfg. Co., Ltd. · 2001
- Absorbent articles with absorbent free-flowing particles and methods for producing the same119US 6,562,192 B1Kimberly-Clark Worldwide, Inc. · 2003
- Methods of making fiber bundles and fibrous structures117US 6,409,883 B1Kimberly-Clark Worldwide, Inc. · 2002