B27N 1/00
Pretreatment of moulding material
B27N1/00 (Pretreatment of moulding material) appears on 557 US grants and 702 published applications in this corpus.
Search patents in B27N- Granted patents
- 557
- Published applications
- 702
- Assignees
- 420
- Inventors
- 1,491
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 11 | 0 |
| 1991 | 13 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 11 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 11 | 0 |
| 1999 | 11 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 3 |
| 2002 | 11 | 15 |
| 2003 | 12 | 15 |
| 2004 | 8 | 17 |
| 2005 | 8 | 16 |
| 2006 | 9 | 20 |
| 2007 | 9 | 23 |
| 2008 | 5 | 11 |
| 2009 | 7 | 17 |
| 2010 | 10 | 24 |
| 2011 | 16 | 19 |
| 2012 | 9 | 14 |
| 2013 | 10 | 15 |
| 2014 | 6 | 14 |
| 2015 | 10 | 18 |
| 2016 | 14 | 13 |
| 2017 | 8 | 21 |
| 2018 | 15 | 39 |
| 2019 | 19 | 32 |
| 2020 | 27 | 33 |
| 2021 | 31 | 47 |
| 2022 | 18 | 57 |
| 2023 | 20 | 55 |
| 2024 | 46 | 69 |
| 2025 | 37 | 56 |
| 2026 | 22 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Method and apparatus for dry manufacturing rigid cellulose products8 Sep 2026US 12,728,562 B2Yangi AB
- Fire-retardant-treated wood composite panels for exterior applications or weather exposure during constructions1 Sep 2026US 12,723,401 B2Louisiana-Pacific Corp.
- Systems and methods for web-fed dry forming of fiber-based products11 Aug 2026US 12,703,166 B2Footprint International, LLC
- Aqueous wax emulsions and dispersions and uses thereof14 Jul 2026US 12,678,996 B2Walker Industries Holdings Limited
- Method for producing a wood-based material and wood based material production device24 Sep 2026US 2026/0284927 A1SWISS KRONO Tec AG
- Board material and a preparation method thereof3 Sep 2026US 2026/0257396 A1Der Future Science & Technology Holding Group Co., Ltd.
- Method, system and program for producing a refiner segment out of a worn refiner segment, and a rebuilt refiner segment20 Aug 2026US 2026/0241456 A1Valmet Corporation
- Monoextruded hemp composite board20 Aug 2026US 2026/0242604 A1
- Method and plant for making a cellulose-based web20 Aug 2026US 2026/0243025 A1Comas - Costruzioni Macchine Speciali - S.P.A.
Most cited
By later US patents
- Methods for manufacturing molded sheets having a high starch content113US 5,810,961 AE. Khashoggi Industries · 1998
- Novel compositions and process97US 4,382,108 AThe Upjohn Company · 1983
- Process for fabricating processed wood material panels78US 4,988,478 A1991
- Method of treating discontinuous fibers78US 5,064,689 AWeyerhaeuser Company · 1991
- Method for forming fiber web for compression molding structural substrates for panels75US 4,734,236 ASheller-Globe Corporation · 1988