B27N 3/00
Manufacture of substantially flat articles
Official title: Manufacture of substantially flat articles, e.g. boards, from particles or fibres
B27N3/00 (Manufacture of substantially flat articles) appears on 1,931 US grants and 1,858 published applications in this corpus.
Search patents in B27N- Granted patents
- 1,931
- Published applications
- 1,858
- Assignees
- 1,000
- Inventors
- 3,533
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 34 | 0 |
| 1977 | 30 | 0 |
| 1978 | 21 | 0 |
| 1979 | 9 | 0 |
| 1980 | 18 | 0 |
| 1981 | 27 | 0 |
| 1982 | 26 | 0 |
| 1983 | 46 | 0 |
| 1984 | 23 | 0 |
| 1985 | 22 | 0 |
| 1986 | 16 | 0 |
| 1987 | 24 | 0 |
| 1988 | 12 | 0 |
| 1989 | 19 | 0 |
| 1990 | 29 | 0 |
| 1991 | 31 | 0 |
| 1992 | 29 | 0 |
| 1993 | 28 | 0 |
| 1994 | 30 | 0 |
| 1995 | 32 | 0 |
| 1996 | 39 | 0 |
| 1997 | 38 | 0 |
| 1998 | 62 | 0 |
| 1999 | 46 | 0 |
| 2000 | 43 | 0 |
| 2001 | 47 | 19 |
| 2002 | 44 | 46 |
| 2003 | 57 | 65 |
| 2004 | 47 | 73 |
| 2005 | 29 | 54 |
| 2006 | 31 | 65 |
| 2007 | 23 | 50 |
| 2008 | 29 | 35 |
| 2009 | 15 | 32 |
| 2010 | 34 | 65 |
| 2011 | 28 | 55 |
| 2012 | 34 | 41 |
| 2013 | 43 | 46 |
| 2014 | 33 | 42 |
| 2015 | 33 | 63 |
| 2016 | 36 | 59 |
| 2017 | 47 | 75 |
| 2018 | 43 | 90 |
| 2019 | 53 | 116 |
| 2020 | 64 | 95 |
| 2021 | 82 | 103 |
| 2022 | 69 | 116 |
| 2023 | 60 | 103 |
| 2024 | 101 | 146 |
| 2025 | 75 | 122 |
| 2026 | 40 | 82 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B27N 3/08Moulding or pressing1,229
- B27N 3/04From fibres477
- B27N 3/002Manufacture of substantially flat articles: characterised by the type of binder423
- B27N 3/02From particles234
- B27N 3/007And at least partly composed of recycled material170
- B27N 3/06Making particle boards or fibreboards, with preformed covering layers, the particles or130
- B27N 3/005And foam56
Recent patents
- Particleboards including modified guayule resins/soy protein resin blends and associated methods for forming same6 Oct 2026US 12,752,456 B2Arizona Board of Regents on Behalf of the University of Arizona
- Binder compositions and use thereof29 Sep 2026US 12,747,356 B2Nilo Limited
- Method for producing a wooden composite board, and device for producing a wooden composite board15 Sep 2026US 12,734,723 B2SWISS KRONO Tec AG
- Air and water barrier building panels15 Sep 2026US 12,734,724 B2Gold Bond Building Products, LLC
- Fire-retardant-treated wood composite panels for exterior applications or weather exposure during constructions1 Sep 2026US 12,723,401 B2Louisiana-Pacific Corp.
- Floor covering element8 Oct 2026US 2026/0307291 A1Unilin BV
- Method for producing a wood-based material and wood based material production device24 Sep 2026US 2026/0284927 A1SWISS KRONO Tec AG
- Method of producing a building panel and a building panel24 Sep 2026US 2026/0284928 A1Välinge Innovation AB
- Press moulding method of a fiber product and a fiber product24 Sep 2026US 2026/0284929 A1Blue Ocean Closures AB
- Method for manufacturing a color-fast and weather-resistant board17 Sep 2026US 2026/0273796 A1SWISS KRONO Tec AG
Most cited
By later US patents
- Extruded synthetic wood composition and method for making same236US 5,516,472 AStrandex Corporation · 1996
- Keyed fibre optic connector174US 7,258,493 B2Belden CDT (Canada) Inc. · 2007
- Shaped part for use as a construction material169US 6,022,615 A2000
- Starch-based compositions having uniformly dispersed fibers used to manufacture high strength articles having a fiber-reinforced, starch-bound cellular matrix165US 5,679,145 AE. Khashoggi Industries · 1997
- Structural laminate154US 4,131,705 AInternational Telephone and Telegraph Corporation · 1978