B27K 3/156
Combined with grafting onto wood fibres
Official title: {Combined with grafting onto wood fibres}
B27K3/156 (Combined with grafting onto wood fibres) appears on 52 US grants and 60 published applications in this corpus.
Search patents in B27K- Granted patents
- 52
- Published applications
- 60
- Assignees
- 47
- Inventors
- 113
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 3 |
| 2003 | 1 | 3 |
| 2004 | 0 | 4 |
| 2005 | 3 | 4 |
| 2006 | 2 | 8 |
| 2007 | 4 | 2 |
| 2008 | 0 | 5 |
| 2009 | 2 | 4 |
| 2010 | 5 | 4 |
| 2011 | 2 | 2 |
| 2012 | 2 | 3 |
| 2013 | 3 | 4 |
| 2014 | 1 | 3 |
| 2015 | 2 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 3 |
| 2025 | 0 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Treating cellulosic materials and methods of making treated cellulosic materials7 Jul 2026US 12,673,443 B2Georgia Tech Research Corporation
- Combined process of hydrolysis and esterification of wood14 Apr 2026US 12,600,056 B2
- Wood-encased pencil27 Feb 2024US 11,911,927 B2
- Treated porous material27 Sep 2022US 11,453,143 B2Dow Global Technologies LLC
- Treated porous material30 Jun 2020US 10,695,944 B2Dow Global Technologies LLC
- Elevated pressure hybrid wood modification18 Dec 2025US 2025/0381704 A1Alpha Holding Brande Aps
- Method for stabilisation, hydrophobation and enhanced durability treatment of renewable ligno-cellulosic materials and a resulting bio-based product28 Nov 2024US 2024/0391132 A1Fiberdom Oy
- Combined process of hydrolysis and esterification of wood25 Jul 2024US 2024/0246256 A1
- Method for manufacturing a wood-polymer composite11 Apr 2024US 2024/0116209 A1
- Treated Cellulosic Materials and Methods of Making the Same2 Nov 2023US 2023/0347547 A1Georgia Tech Research Corporation
Most cited
By later US patents
- Golf club head97US 4,568,088 ASumitomo Rubber Industries, Ltd. · 1986
- Preservative compositions for wood products22US 7,128,778 B2Woodholdings Environmental, Inc. · 2006
- Wood preservative21US 4,988,576 ADaishowa Chemicals Inc. · 1991
- Process for treating wood and products from treated wood20US 6,902,767 B2D & L Incorporated · 2005
- Pyrithione-containing bioactive polymers and their use in paint and wood perservative products19US 4,632,881 AOlin Corporation · 1986