D21F 11/002
Processes for making continuous lengths of paper, or of cardboard, or of
Official title: {by using a foamed suspension}
D21F11/002 (Processes for making continuous lengths of paper, or of cardboard, or of) appears on 113 US grants and 98 published applications in this corpus.
Search patents in D21F- Granted patents
- 113
- Published applications
- 98
- Assignees
- 57
- Inventors
- 238
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 2 |
| 2002 | 5 | 4 |
| 2003 | 5 | 4 |
| 2004 | 4 | 4 |
| 2005 | 1 | 3 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 2 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 3 |
| 2016 | 2 | 5 |
| 2017 | 2 | 4 |
| 2018 | 1 | 5 |
| 2019 | 7 | 6 |
| 2020 | 6 | 10 |
| 2021 | 7 | 5 |
| 2022 | 5 | 9 |
| 2023 | 4 | 8 |
| 2024 | 8 | 8 |
| 2025 | 9 | 8 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Foam-assisted application of uncooked starch and dry strength agents to paper products8 Sep 2026US 12,729,486 B2Solenis Technologies, L.P.
- Method for producing sheet for heat-insulating foamed paper container23 Dec 2025US 12,503,817 B2Nissin Foods Holdings Co., Ltd.
- Absorbent articles and methods for manufacturing same14 Oct 2025US 12,442,139 B2Kimberly-Clark Worldwide, Inc.
- Foam-formed fibrous sheets with crimped staple fibers17 Jun 2025US 12,331,465 B2Kimberly-Clark Worldwide, Inc.
- Process and system for reorienting fibers in a foam forming process13 May 2025US 12,297,599 B2Kimberly-Clark Worldwide, Inc.
- Packing material and manufacturing method of packing material13 Aug 2026US 2026/0234872 A1Sony Group Corporation
- Method for producing a solid cellulose foam, a solid cellulose foam, and use thereof6 Aug 2026US 2026/0226684 A1Stora Enso OYJ
- Device for producing a fibrous web16 Jul 2026US 2026/0201640 A1Andritz Kuesters GmbH
- Patterned Nonwoven Substrates Made from Forming Surface with Regions of High Porosity and Low Porosity12 Feb 2026US 2026/0043178 A1Kimberly-Clark Worldwide, Inc.
- Absorbent Articles and Methods for Manufacturing Same5 Feb 2026US 2026/0035865 A1Kimberly-Clark Worldwide, Inc.
Most cited
By later US patents
- Process for the manufacture of shaped fibrous products and the resultant product214US 4,613,627 AUSG Acoustical Products Company · 1986
- High softness embossed tissue165US 5,409,572 AJames River Corporation of Virginia · 1995
- Methods for forming a fluted composite125US 6,630,054 B1Weyerhaeuser Company · 2003
- Methods for forming a fluted composite122US 7,166,190 B2National Institute for Strategic Technology Acquisistion and Commercialization · 2007
- Unitary absorbent system111US 6,734,335 B1Weyerhaeuser Company · 2004