D21H 15/00
Pulp or paper, comprising fibres or web-forming material characterised by features other
Official title: Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
D21H15/00 (Pulp or paper, comprising fibres or web-forming material characterised by features other) appears on 588 US grants and 692 published applications in this corpus.
Search patents in D21H- Granted patents
- 588
- Published applications
- 692
- Assignees
- 299
- Inventors
- 1,395
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 2 | 0 |
| 1995 | 11 | 0 |
| 1996 | 7 | 0 |
| 1997 | 10 | 0 |
| 1998 | 7 | 0 |
| 1999 | 9 | 0 |
| 2000 | 11 | 0 |
| 2001 | 12 | 3 |
| 2002 | 13 | 10 |
| 2003 | 5 | 24 |
| 2004 | 13 | 21 |
| 2005 | 9 | 14 |
| 2006 | 5 | 13 |
| 2007 | 8 | 21 |
| 2008 | 9 | 14 |
| 2009 | 2 | 22 |
| 2010 | 9 | 12 |
| 2011 | 10 | 18 |
| 2012 | 9 | 32 |
| 2013 | 22 | 38 |
| 2014 | 25 | 28 |
| 2015 | 19 | 27 |
| 2016 | 11 | 19 |
| 2017 | 19 | 24 |
| 2018 | 19 | 36 |
| 2019 | 22 | 43 |
| 2020 | 29 | 83 |
| 2021 | 39 | 50 |
| 2022 | 65 | 42 |
| 2023 | 39 | 38 |
| 2024 | 28 | 27 |
| 2025 | 24 | 21 |
| 2026 | 16 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Biodegradable boards and methods of making the same11 Aug 2026US 12,703,946 B2Kraft Foods Schweiz Holding GmbH
- Durable tissue product14 Jul 2026US 12,680,233 B2Kimberly-Clark Worldwide, Inc.
- Electrically conductive smart papers7 Jul 2026US 12,674,279 B2University of Washington
- Circuit board unwoven fabric, circuit board prepreg using same and circuit board using same23 Jun 2026US 12,662,775 B2Dupont Safety & Construction, Inc.
- Barrier-coated cellulose-based substrate, laminated packaging material and packaging container comprising the cellulose-based substrate2 Jun 2026US 12,643,724 B2Tetra Laval Holdings & Finance S. A.
- Unidirectional wood fiber paper and preparation method therefor, unidirectional wood fiber paper prepreg and preparation method therefor, and wood fiber paper-reinforced composite material17 Sep 2026US 2026/0275640 A1Freshape SA
- Papermaking mat and method for producing paper making mat27 Aug 2026US 2026/0250908 A1Ibiden Co., Ltd.
- Moisture-resistant biodegradable sheet and food container using same23 Jul 2026US 2026/0210048 A1Marine Innovation, Inc.
- Non-Woven Fabric16 Jul 2026US 2026/0201615 A1Asahi Kasei Kabushiki Kaisha
- Insulation Material And Method Of Making Insulation Material9 Jul 2026US 2026/0193014 A1MP Global Products, L.L.C.
Most cited
By later US patents
- Soft tissue406US 5,607,551 AKimberly-Clark Corporation · 1997
- Soft tissue282US 5,656,132 AKimberly-Clark Worldwide, Inc. · 1997
- Soft tissue232US 5,772,845 AKimberly-Clark Worldwide, Inc. · 1998
- Fibrous structures containing immobilized particulate matter181US 5,486,410 AHoechst Celanese Corporation · 1996
- Filtration structures of wet laid, bicomponent fiber148US 5,580,459 AHoechst Celanese Corporation · 1996