D21J 5/00
Manufacture of hollow articles by transferring sheets, produced from fibres suspensions or
Official title: Manufacture of hollow articles by transferring sheets, produced from fibres suspensions or papier-mâché by suction on wire-net moulds, to couch-moulds
D21J5/00 (Manufacture of hollow articles by transferring sheets, produced from fibres suspensions or) appears on 74 US grants and 119 published applications in this corpus.
Search patents in D21J- Granted patents
- 74
- Published applications
- 119
- Assignees
- 67
- Inventors
- 220
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 2 | 1 |
| 2004 | 2 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 3 | 2 |
| 2018 | 6 | 8 |
| 2019 | 4 | 5 |
| 2020 | 1 | 5 |
| 2021 | 1 | 2 |
| 2022 | 5 | 20 |
| 2023 | 5 | 12 |
| 2024 | 13 | 20 |
| 2025 | 14 | 15 |
| 2026 | 3 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Automatic forming machine for pulp molding product and manufacturing method therefor1 Sep 2026US 12,723,355 B2Foshan City Meiwanbang Technology Co. Ltd.
- Method for producing shaped products from a plurality of paper layers arranged one above another23 Jun 2026US 12,662,776 B2OPTIMA consumer GmbH
- Method for forming cellulose products in a forming mould system from a cellulose blank structure, a forming mould system, and a cellulose blank structure6 Jan 2026US 12,515,393 B2PulPac AB
- Process for making a container of a given shape from sheet material9 Dec 2025US 12,491,674 B2Soremartec S.A.
- 3D printed tooling for pulp molding process25 Nov 2025US 12,480,257 B2Papacks Sales GmbH
- A method for producing a fiber based article1 Oct 2026US 2026/0297852 A1Kemira Oyj
- Biodegradable three-dimensional products molded from natural fibers24 Sep 2026US 2026/0286617 A1Papacks Sales GmbH
- Device for producing shaped products from a plurality of paper layers17 Sep 2026US 2026/0275651 A1OPTIMA consumer GmbH
- Forming process capable of manufacturing paper-plastic products of different thicknesses3 Sep 2026US 2026/0258608 A1Changzhou city cheng xin environmental protection technology Co. , Ltd.
- Cellulose-based 3d-shaped substrate comprising cellulosic fibres and nonfibrous cellulosic material, methods for preparing the same, and uses of the same23 Jul 2026US 2026/0210050 A1
Most cited
By later US patents
- Paper making mold for pulp mold molding production and method and device for producing pulp mold molding40US 6,576,089 B1Kao Corporation · 2003
- Method of producing molded paper pulp articles and articles produced thereby31US 5,356,518 ACin-Made Corporation · 1994
- Method for manufacturing fiber-based produced containers24US 9,856,608 B1Footprint International, LLC · 2018
- Papermaking mold for producing pulp molded article, method of producing pulp molded article using the mold, and apparatus for producing pulp molded article20US 6,752,910 B2Kao Corporation · 2004
- Method for manufacturing microwavable food containers20US 9,869,062 B1Footprint International, LLC · 2018