D21H 27/34
Continuous materials
Official title: Continuous materials, e.g. filaments, sheets, nets
D21H27/34 (Continuous materials) appears on 131 US grants and 139 published applications in this corpus.
Search patents in D21H- Granted patents
- 131
- Published applications
- 139
- Assignees
- 110
- Inventors
- 364
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 2 |
| 2003 | 1 | 3 |
| 2004 | 1 | 3 |
| 2005 | 1 | 2 |
| 2006 | 1 | 5 |
| 2007 | 2 | 7 |
| 2008 | 1 | 5 |
| 2009 | 2 | 2 |
| 2010 | 2 | 4 |
| 2011 | 2 | 2 |
| 2012 | 1 | 1 |
| 2013 | 4 | 3 |
| 2014 | 2 | 4 |
| 2015 | 0 | 4 |
| 2016 | 1 | 3 |
| 2017 | 4 | 5 |
| 2018 | 2 | 5 |
| 2019 | 4 | 5 |
| 2020 | 8 | 13 |
| 2021 | 6 | 7 |
| 2022 | 8 | 18 |
| 2023 | 8 | 10 |
| 2024 | 8 | 14 |
| 2025 | 7 | 5 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Packaging material for tobacco products and package for tobacco products16 Jun 2026US 12,654,431 B2Japan Tobacco Inc.
- Multi-layered product having an embossed interior layer and a method for making the product7 Apr 2026US 12,594,740 B2American Custom Converting, L.L.C.
- Paper-specific moisture control in a traveling paper web21 Oct 2025US 12,448,735 B2Intpro, LLC
- Method to produce an adhesive component comprising starch and microfibrillated cellulose, an adhesive and products24 Jun 2025US 12,338,370 B2Stora Enso OYJ
- Electrically conductive paper structure, method for manufacturing same and use17 Jun 2025US 12,331,464 B2Giesecke+Devrient Currency Technology GmbH
- Multi-layered product having an embossed interior layer and a method for making the product13 Aug 2026US 2026/0233486 A1American Custom Converting, L.L.C.
- A method for manufacturing a paper or paperboard based packaging laminate6 Aug 2026US 2026/0225357 A1Stora Enso OYJ
- Adhesive-free engineered plant materials, and methods for fabrication thereof16 Jul 2026US 2026/0200213 A1University of Maryland, College Park
- Cross-linked polyvinyl alcohol adhesives23 Apr 2026US 2026/0110139 A1The Procter & Gamble Company
- Coated paperboard19 Feb 2026US 2026/0049450 A1Billerud Aktiebolag (publ)
Most cited
By later US patents
- High strength hydroentangled nonwoven fabric194US 4,808,467 AJames River Corporation of Virginia · 1989
- Security paper with color mark145US 5,449,200 ADomtar Inc. · 1995
- Digital camera print roll with periodic anisotropic stiffness118US 6,472,052 B1Silverbrook Research Pty Ltd · 2002
- Print medium with one side defined by a rib-like structure116US 7,291,447 B2Silverbrook Research Pty Ltd · 2007
- Curl resistant print media115US 6,913,875 B2Silverbrook Research Pty Ltd · 2005