D21J 7/00
Manufacture of hollow articles from fibre suspensions or papier-mâché by deposition of
Official title: Manufacture of hollow articles from fibre suspensions or papier-mâché by deposition of fibres in or on a wire-net mould
D21J7/00 (Manufacture of hollow articles from fibre suspensions or papier-mâché by deposition of) appears on 209 US grants and 227 published applications in this corpus.
Search patents in D21J- Granted patents
- 209
- Published applications
- 227
- Assignees
- 122
- Inventors
- 417
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 2 | 0 |
| 2000 | 9 | 0 |
| 2001 | 4 | 2 |
| 2002 | 8 | 2 |
| 2003 | 8 | 11 |
| 2004 | 6 | 11 |
| 2005 | 6 | 3 |
| 2006 | 6 | 0 |
| 2007 | 2 | 2 |
| 2008 | 4 | 1 |
| 2009 | 1 | 7 |
| 2010 | 0 | 2 |
| 2011 | 4 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 7 |
| 2014 | 1 | 2 |
| 2015 | 2 | 3 |
| 2016 | 3 | 4 |
| 2017 | 5 | 3 |
| 2018 | 8 | 18 |
| 2019 | 7 | 6 |
| 2020 | 8 | 12 |
| 2021 | 2 | 8 |
| 2022 | 4 | 20 |
| 2023 | 10 | 19 |
| 2024 | 16 | 25 |
| 2025 | 18 | 29 |
| 2026 | 7 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fiber molding screen pore trajectory21 Jul 2026US 12,686,974 B2Nanyang Technological University
- Pulp molded container and fabricating method thereof9 Jun 2026US 12,649,991 B2Intlpak Enterprises Corporation
- Near-net shape short fiber reinforcement preforms and composites9 Jun 2026US 12,649,992 B2University of Tennessee Research Foundation
- Mould for forming a unitary article from pulp2 Jun 2026US 12,644,231 B2Diageo Great Britain Limited
- Method for producing a moulded pulp material for packaging unit and such packaging unit28 Apr 2026US 12,612,739 B2Huhtamaki Molded Fiber Technology B,V,
- A process for molding cellulosic material into a tridimensional package, and a package thus obtained8 Oct 2026US 2026/0308854 A1Societe des Produits Nestle S. A.
- Highly refined fibre forming process17 Sep 2026US 2026/0275654 A1Ftt S.R.L.
- Method for forming a cellulose product in a dry-forming mould system27 Aug 2026US 2026/0250913 A1PulPac AB
- Sealing molding apparatus sections9 Jul 2026US 2026/0193848 A1Peridot Print LLC
- Pressure members2 Jul 2026US 2026/0183465 A1Peridot Print LLC
Most cited
By later US patents
- Formable pulp compositions123US 4,562,218 AArmstrong World Industries, Inc. · 1985
- Contoured molded pulp container with polyester liner91US 4,337,116 AKeyes Fibre Company · 1982
- Process for making a shaped fibrous article by a vacuum forming process and the shaped fibrous article made thereby59US 3,968,004 APittsburgh Corning Corporation · 1976
- Formed body47US 7,370,788 B1Kao Corporation · 2008
- Method and apparatus for forming fiber reinforced plastic preforms from a wet slurry43US 5,039,465 AThe Budd Company · 1991