D21H 25/12
With an essentially cylindrical body
Official title: with an essentially cylindrical body, e.g. roll or rod
D21H25/12 (With an essentially cylindrical body) appears on 180 US grants and 148 published applications in this corpus.
Search patents in D21H- Granted patents
- 180
- Published applications
- 148
- Assignees
- 120
- Inventors
- 506
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 7 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 1 |
| 2002 | 10 | 8 |
| 2003 | 8 | 8 |
| 2004 | 4 | 12 |
| 2005 | 6 | 16 |
| 2006 | 8 | 12 |
| 2007 | 7 | 9 |
| 2008 | 5 | 15 |
| 2009 | 7 | 4 |
| 2010 | 11 | 8 |
| 2011 | 4 | 5 |
| 2012 | 4 | 7 |
| 2013 | 2 | 6 |
| 2014 | 7 | 8 |
| 2015 | 2 | 5 |
| 2016 | 3 | 5 |
| 2017 | 2 | 1 |
| 2018 | 4 | 3 |
| 2019 | 3 | 2 |
| 2020 | 1 | 4 |
| 2021 | 0 | 1 |
| 2022 | 4 | 3 |
| 2023 | 2 | 1 |
| 2024 | 1 | 2 |
| 2025 | 0 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing a multilayer machine glazed paper comprising highly refined cellulose fibers and a multilayer machine glazed paper produced29 Sep 2026US 12,747,538 B2Stora Enso OYJ
- Method for producing a film comprising microfibrillated cellulose, and a film comprising microfibrillated cellulose1 Sep 2026US 12,723,352 B2Stora Enso OYJ
- Hot-extraction paper26 Mar 2024US 11,939,725 B2Mondi AG
- Method of manufacturing a film comprising microfibrillated cellulose15 Aug 2023US 11,724,284 B2Stora Enso OYJ
- Smooth and low density paperboard structures and methods for manufacturing the same11 Jul 2023US 11,697,908 B2WestRock MWV, LLC
- Transparent paper15 May 2025US 2025/0154721 A1Mondi AG
- Segment for a smoking article comprising a calendered fiber web24 Apr 2025US 2025/0127208 A1delfortgroup AG
- A method for producing a film comprising microfibrillated cellulose, and a film comprising microfibrillated cellulose14 Nov 2024US 2024/0376670 A1Stora Enso OYJ
- A method for producing a multilayer machine glazed paper comprising highly refined cellulose fibers and a multilayer machine glazed paper produced4 Jan 2024US 2024/0003092 A1Stora Enso OYJ
- Method and apparatus to crimp a sheet2 Feb 2023US 2023/0031707 A1Philip Morris Products S. A.
Most cited
By later US patents
- Dual-zoned absorbent webs287US 5,990,377 AKimberly-Clark Worldwide, Inc. · 1999
- Dual-zoned absorbent webs269US 6,395,957 B1Kimberly-Clark Worldwide, Inc. · 2002
- Dual-zoned absorbent webs109US 6,911,573 B2Kimberly-Clark Worldwide, Inc. · 2005
- Tissue sheets having improved properties42US 7,935,409 B2Kimberly-Clark Worldwide, Inc. · 2011
- Soft and strong fibrous structures37US 8,057,636 B2The Procter & Gamble Company · 2011