D21H 27/42
Comprising dry-laid paper
Official title: comprising dry-laid paper
D21H27/42 (Comprising dry-laid paper) appears on 40 US grants and 58 published applications in this corpus.
Search patents in D21H- Granted patents
- 40
- Published applications
- 58
- Assignees
- 31
- Inventors
- 111
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 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 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 4 |
| 2010 | 0 | 1 |
| 2011 | 1 | 4 |
| 2012 | 2 | 4 |
| 2013 | 2 | 0 |
| 2014 | 3 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 3 |
| 2017 | 1 | 2 |
| 2018 | 2 | 5 |
| 2019 | 5 | 3 |
| 2020 | 3 | 3 |
| 2021 | 2 | 4 |
| 2022 | 1 | 6 |
| 2023 | 4 | 9 |
| 2024 | 1 | 0 |
| 2025 | 6 | 2 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wrapper for aerosol generating article and method of manufacturing same9 Dec 2025US 12,490,765 B2Kt&G Corporation
- Fibrous structures different fibrous elements2 Dec 2025US 12,486,618 B2The Procter & Gamble Company
- Material, a layered or laminated material, formwork and or construction element3 Jun 2025US 12,319,039 B2Plastic Free Packaging Party Ltd
- Method for producing a cellulose product and a cellulose product27 May 2025US 12,312,745 B2PulPac AB
- Fluff pulp13 May 2025US 12,297,600 B2Stora Enso OYJ
- Paper treatment agent and paper using same, and method for improving paper texture2 Jul 2026US 2026/0185305 A1Miyoshi Oil & Fat Co., Ltd.
- Foldable packaging insert comprising multiple cellulose-based air-laid or solid foam substrates9 Apr 2026US 2026/0097891 A1Stora Enso OYJ
- Foldable packaging insert comprising multiple celllulose-based air-laid or solid foam2 Apr 2026US 2026/0091930 A1Stora Enso OYJ
- Material, a new and improved layered or laminated material, formwork and or construction element13 Nov 2025US 2025/0346026 A1Plastic Free Packaging Pty Ltd
- Fibrous Structures27 Mar 2025US 2025/0101685 A1The Procter & Gamble Company
Most cited
By later US patents
- Hesperaloe tissue having improved cross-machine direction properties809US 10,337,148 B2Kimberly-Clark Worldwide, Inc. · 2019
- High strength and low stiffness hesperaloe tissue34US 10,337,149 B2Kimberly-Clark Worldwide, Inc. · 2019
- Highly dispersible hesperaloe tissue24US 10,337,147 B2Kimberly-Clark Worldwide, Inc. · 2019
- Apparatus for forming multi-ply fibrous sheets19US 4,074,959 AKarl Kroyer St. Anne's Limited · 1978
- Method and an apparatus for distributing a disintegrated material onto a layer forming surface19US 4,157,724 A1979