B32B 21/13
All layers being exclusively wood
Official title: all layers being exclusively wood
B32B21/13 (All layers being exclusively wood) appears on 365 US grants and 480 published applications in this corpus.
Search patents in B32B- Granted patents
- 365
- Published applications
- 480
- Assignees
- 286
- Inventors
- 851
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 9 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 3 |
| 2003 | 5 | 6 |
| 2004 | 1 | 3 |
| 2005 | 1 | 11 |
| 2006 | 1 | 11 |
| 2007 | 1 | 17 |
| 2008 | 6 | 9 |
| 2009 | 7 | 16 |
| 2010 | 6 | 12 |
| 2011 | 6 | 13 |
| 2012 | 8 | 11 |
| 2013 | 9 | 19 |
| 2014 | 5 | 10 |
| 2015 | 7 | 10 |
| 2016 | 7 | 14 |
| 2017 | 11 | 22 |
| 2018 | 13 | 41 |
| 2019 | 19 | 41 |
| 2020 | 28 | 41 |
| 2021 | 30 | 42 |
| 2022 | 28 | 38 |
| 2023 | 20 | 31 |
| 2024 | 28 | 27 |
| 2025 | 25 | 19 |
| 2026 | 9 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Organic slurry and method for manufacture thereof11 Aug 2026US 12,703,795 B2Willamette Valley Company
- High performance light weight vehicle frame21 Jul 2026US 12,686,463 B2TimberWolf Cycles Inc.
- Modified guayule resin/soy protein blends for bio-based adhesives, associated methods for forming same, and associated structures including such adhesives16 Jun 2026US 12,655,328 B2Arizona Board of Regents on Behalf of the University of Arizona
- Floor panel and methods for manufacturing floor panels14 Apr 2026US 12,601,186 B2Aladdin Manufacturing Corporation
- Adhesive comprising polyvinyl acetate and a mixture of glucose and fructose17 Mar 2026US 12,577,440 B2Cargill, Incorporated
- Engineered wood adhesives and engineered wood product therefrom30 Jul 2026US 2026/0217980 A1Cargill, Incorporated
- Floor panel and methods for manufacturing floor panels9 Jul 2026US 2026/0193891 A1Aladdin Manufacturing Corporation
- Wood fibre based panel and a method for obtaining such panel25 Jun 2026US 2026/0176868 A1Välinge Innovation AB
- Method of producing a building panel and a building panel18 Jun 2026US 2026/0167840 A1Välinge Innovation AB
- Multiple layer abrasive backers11 Jun 2026US 2026/0158617 A1Neenah, Inc.
Most cited
By later US patents
- Square-edged laminated wood strip or plank materials262US 4,471,012 AMasonite Corporation · 1984
- Laminated wood flooring product and wood floor160US 5,283,102 APremier Wood Floors · 1994
- Laminated wood flooring product and wood floor152US 5,736,227 ATriangle Pacific Corporation · 1998
- Laminated wood products147US 5,968,625 A1999
- Process for the manufacture of multi-ply panel boards preferably for floors144US 5,109,898 A1992