D04H 1/26
Wood pulp
D04H1/26 (Wood pulp) appears on 80 US grants and 184 published applications in this corpus.
Search patents in D04H- Granted patents
- 80
- Published applications
- 184
- Assignees
- 64
- Inventors
- 333
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 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 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 5 |
| 2013 | 2 | 2 |
| 2014 | 1 | 6 |
| 2015 | 1 | 3 |
| 2016 | 1 | 3 |
| 2017 | 0 | 5 |
| 2018 | 2 | 11 |
| 2019 | 3 | 5 |
| 2020 | 4 | 18 |
| 2021 | 4 | 21 |
| 2022 | 19 | 19 |
| 2023 | 13 | 24 |
| 2024 | 11 | 21 |
| 2025 | 12 | 19 |
| 2026 | 5 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Structured filter material for nicotine delivery products4 Aug 2026US 12,696,929 B2delfortgroup AG
- Non-woven fabric containing a disinfecting agent and method for producing the same4 Aug 2026US 12,698,457 B2Glatfelter Gernsbach GmbH
- Dry wipe, a biodegradable packaging containing the dry wipe, an arrangement and a process for providing a wet wipe5 May 2026US 12,618,027 B2Glatfelter Gernsbach GmbH
- Air-laid blank, a method of producing an air-laid blank and a method of producing a three dimensional product from said air-laid blank7 Apr 2026US 12,595,603 B2Stora Enso OYJ
- Absorbent fibrous web13 Jan 2026US 12,521,287 B2Essity Hygiene and Health Aktiebolag
- Cleaning and disinfecting wipes with enhanced thickness perception8 Oct 2026US 2026/0308491 A1The Clorox Company
- Method for preparing non-woven fabric and non-woven fabric8 Oct 2026US 2026/0308826 A1Zhejiang Bsk New Material Co., Ltd.
- Hydroentangled nonwoven comprising cellulosic filaments17 Sep 2026US 2026/0275594 A1Essity Hygiene and Health Aktiebolag
- Nonwoven Products Containing Reclaimed Textile Materials10 Sep 2026US 2026/0265970 A1Kimberly-Clark Worldwide, Inc.
- Packing material and manufacturing method of packing material13 Aug 2026US 2026/0234872 A1Sony Group Corporation
Most cited
By later US patents
- Back-to-back transition web and method of making said30US 3,952,124 AJohnson & Johnson · 1976
- Method for producing a wet-laid nonwoven fabric26US 10,443,167 B2Hokuetsu Corporation · 2019
- Fibrous structures exhibiting improved reopenability18US 10,647,088 B2The Procter & Gamble Company · 2020
- Composition of matter effluent from refiner of a wet laid process11US 11,306,433 B2Eastman Chemical Company · 2022
- Absorbent and compressible fibrous structures9US 11,292,227 B2The Procter & Gamble Company · 2022