D21H 5/245
Obtained by compressing the paper in directions lying in, and optionally perpendicular
Official title: {obtained by compressing the (moist) paper in directions lying in, and optionally perpendicular to, the paper plane, e.g. plain-surfaced Clupak papers}
D21H5/245 (Obtained by compressing the paper in directions lying in, and optionally perpendicular) appears on 21 US grants and 17 published applications in this corpus.
Search patents in D21H- Granted patents
- 21
- Published applications
- 17
- Assignees
- 4
- Inventors
- 11
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 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 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 3 |
| 2019 | 0 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 4 |
| 2022 | 3 | 3 |
| 2023 | 5 | 3 |
| 2024 | 3 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Extensible paper and its use in the production of expanded slit packaging wrap and void fill products22 Sep 2026US 12,741,798 B2HexcelPack, LLC
- Expanded slit sheet cushioning products with novel reduced dimension slit patterns11 Feb 2025US 12,221,260 B2HexcelPack, LLC
- Extensible paper and its use in the production of expanded slit packaging wrap and void fill products19 Nov 2024US 12,145,784 B2HexcelPack, LLC
- Expanded slit sheet cushioning products with novel slit pattern and paper properties8 Oct 2024US 12,110,159 B2HexcelPack, LLC
- Expanded slit sheet cushioning products with novel slit pattern and paper properties20 Feb 2024US 11,905,088 B2
- Expanded Slit Sheet Cushioning Product with Novel Reduced-Dimension Slit Patterns11 Dec 2025US 2025/0376311 A1HexcelPack, LLC
- Extensible paper and its use in the production of expanded slit packaging wrap and void fill products10 Jul 2025US 2025/0223090 A1HexcelPack, LLC
- Expanded slit sheet cushioning products with novel slit pattern and paper properties21 Dec 2023US 2023/0406585 A1HexcelPack, LLC
- Extensible paper and its use in the production of expanded slit packaging wrap and void fill products2 Nov 2023US 2023/0348160 A1HexcelPack, LLC
- Expanded slit sheet cushioning products with novel reduced dimension slit patterns21 Sep 2023US 2023/0294891 A1HexcelPack, LLC
Most cited
By later US patents
- Method and apparatus for shrinking a travelling web of fibrous material80US 4,072,557 AJ. M. Voith GmbH · 1978
- Production of high strength packaging papers from straw29US 4,040,899 AClupak, Inc. · 1977
- Nip roll for treating web materials and method of manufacturing same19US 4,230,036 AClupak, Inc. · 1980
- Extensible paper and its use in the production of expanded slit packaging and void fill products16US 10,669,086 B22020
- Expanded slit sheet cushioning products with novel slit pattern and paper properties6US 11,401,090 B22022