B32B 21/06
Of paper or cardboard
Official title: of paper or cardboard
B32B21/06 (Of paper or cardboard) appears on 384 US grants and 560 published applications in this corpus.
Search patents in B32B- Granted patents
- 384
- Published applications
- 560
- Assignees
- 275
- Inventors
- 955
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 8 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 3 |
| 2003 | 3 | 1 |
| 2004 | 0 | 4 |
| 2005 | 0 | 10 |
| 2006 | 2 | 8 |
| 2007 | 2 | 13 |
| 2008 | 1 | 11 |
| 2009 | 4 | 12 |
| 2010 | 10 | 15 |
| 2011 | 5 | 16 |
| 2012 | 4 | 12 |
| 2013 | 9 | 8 |
| 2014 | 8 | 13 |
| 2015 | 9 | 11 |
| 2016 | 12 | 15 |
| 2017 | 11 | 30 |
| 2018 | 14 | 50 |
| 2019 | 31 | 54 |
| 2020 | 30 | 55 |
| 2021 | 39 | 48 |
| 2022 | 26 | 34 |
| 2023 | 36 | 44 |
| 2024 | 30 | 34 |
| 2025 | 36 | 30 |
| 2026 | 8 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Direct lamination of a melamine layer to a magnesium oxide core11 Aug 2026US 12,703,171 B1Columbia Insurance Company
- Modified melamine-formaldehyde resin, a paper impregnated with a modified melamine-formaldehyde resin, a method for manufacturing a floor panel, and use of dicyandiamide as a modifier in a melamine-formaldehyde resin26 May 2026US 12,636,861 B2Unilin BV
- Press element and method for manufacturing press elements21 Apr 2026US 12,605,866 B2Unilin BV
- Stainable melamine laminate products, compositions, and methods of manufacture3 Mar 2026US 12,565,031 B2Pressing Developments, L.L.C.
- System and method for using a VOC free low radiant flux LED UV curable composition3 Feb 2026US 12,539,649 B2MSI Coatings, Inc.
- Method of Producing One or More Laminate Boards and Laminate Board1 Oct 2026US 2026/0294104 A1Kronoplus Limited
- Wood-based material panel with at least one depression embossed into the upper surface1 Oct 2026US 2026/0295979 A1Flooring Technologies Ltd.
- Wood-based panel1 Oct 2026US 2026/0297958 A1Unilin BV
- Wooden transaction cards and methods of making the cards24 Sep 2026US 2026/0285022 A1
- Wooden transaction cards and methods of making the cards24 Sep 2026US 2026/0289219 A1
Most cited
By later US patents
- Fire-resistant intumescent laminates251US 3,934,066 AW. R. Grace & Co. · 1976
- Multifunctional tissue paper product199US 6,162,327 AThe Procter & Gamble Company · 2000
- Decorative thermosetting laminate143US 5,034,272 APerstorp AB · 1991
- Fibre based panels with a wear resistance surface134US 8,431,054 B2CeraLoc Innovation Belgium BVBA · 2013
- Cellular structures with fourteen-cornered cells126US 10,220,881 B2Ford Global Technologies, LLC · 2019