D21J 1/04
Pressing
D21J1/04 (Pressing) appears on 44 US grants and 59 published applications in this corpus.
Search patents in D21J- Granted patents
- 44
- Published applications
- 59
- Assignees
- 50
- Inventors
- 124
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 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 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 7 |
| 2014 | 0 | 2 |
| 2015 | 2 | 3 |
| 2016 | 2 | 2 |
| 2017 | 1 | 5 |
| 2018 | 4 | 4 |
| 2019 | 1 | 3 |
| 2020 | 4 | 7 |
| 2021 | 1 | 2 |
| 2022 | 3 | 8 |
| 2023 | 5 | 2 |
| 2024 | 4 | 5 |
| 2025 | 6 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process and system for manufacturing a fibreboard from waste materials22 Sep 2026US 12,742,293 B2
- Automatic forming machine for pulp molding product and manufacturing method therefor1 Sep 2026US 12,723,355 B2Foshan City Meiwanbang Technology Co. Ltd.
- Fiber-based microwavable bowls with selective spray coating23 Sep 2025US 12,421,668 B2Footprint International, LLC
- Biodegradable three-dimensional products molded from natural fibers3 Jun 2025US 12,320,074 B2Papacks Sales GmbH
- Compostable paperboard for pressware products20 May 2025US 12,305,337 B2GPCP IP Holdings LLC
- Method for manufacturing a composite fibre board21 May 2026US 2026/0139439 A1Ecor Global Inc
- Compositions for Fibreboards with Enhanced Properties Upon Fast-Curing at Low Temperature22 Jan 2026US 2026/0022245 A1Covestro (Netherlands) B.V.
- Fiber-basfed microwavable bowls with selective spray coating15 Jan 2026US 2026/0015800 A1Footprint International, LLC
- Method and tool for producing a breakable weak point in molded bodies made of fiber-containing material and molded bodies made of fiber-containing material having a breakable weak point20 Nov 2025US 2025/0354337 A1KIEFEL GmbH
- Method of forming products from fibrous material and forming device15 May 2025US 2025/0154729 A1KIEFEL GmbH
Most cited
By later US patents
- Method of making wet process panels of composite wood material with semi-matching contoured pressure plates54US 4,622,190 AMasonite Corporation · 1986
- Method of making wet process panels of composite wood material with semi-matching contoured pressure plates27US 4,726,881 AMasonite Corporation · 1988
- Engineered molded fiberboard panels, methods of making the panels, and products fabricated from the panels16US 8,475,894 B2Nobel Environmental Technologies Corp. · 2013
- Method for retaining textured surface of pressed ceiling board12US 4,263,093 AArmstrong Cork Company · 1981
- Engineered molded fiberboard panels and methods of making and using the same11US 8,297,027 B2Noble Environmental Technologies Corporation · 2012