B27K 3/0285
For improving the penetration of the impregnating fluid
Official title: {for improving the penetration of the impregnating fluid}
B27K3/0285 (For improving the penetration of the impregnating fluid) appears on 41 US grants and 43 published applications in this corpus.
Search patents in B27K- Granted patents
- 41
- Published applications
- 43
- Assignees
- 41
- Inventors
- 75
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 3 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 0 | 3 |
| 2015 | 4 | 3 |
| 2016 | 2 | 4 |
| 2017 | 1 | 4 |
| 2018 | 2 | 3 |
| 2019 | 3 | 1 |
| 2020 | 1 | 2 |
| 2021 | 3 | 2 |
| 2022 | 3 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing a wooden composite board, and device for producing a wooden composite board15 Sep 2026US 12,734,723 B2SWISS KRONO Tec AG
- Method and device for preparing magnetic bamboo wood12 Nov 2024US 12,138,822 B2Nanjing Forestry University
- Enhanced performance of wood and engineered wood products using combined durability and flame retardancy18 Apr 2023US 11,628,590 B2Wood Modification Technologies Limited
- Method for reinforcing and enhancing bamboo/wood materials12 Jul 2022US 11,383,402 B2Zhejiang Academy of Forestry
- Treatment of wooden materials5 Jul 2022US 11,376,758 B2
- 1,3-propanediol carrier compositions and methods of use thereof4 Jun 2026US 2026/0151930 A1Primient Covation LLC
- Method for producing a wooden composite board, and device for producing a wooden composite board28 Nov 2024US 2024/0391131 A1SWISS KRONO Tec AG
- Method and device for preparing magnetic bamboo wood22 Aug 2024US 2024/0278454 A1Nanjing Forestry University
- Enhanced performance of wood and engineered wood products using combined durability and flame retardancy15 Sep 2022US 2022/0288808 A1Wood Modification Technologies Limited
- Method of improving the hydrophobic properties of cellulosic materials without leaving an acidic residue24 Jun 2021US 2021/0187781 A1Woodholdings Environmental, Inc.
Most cited
By later US patents
- Inhibiting leaching of fire retardant salts from wood with cyclic sulfonium zwitterion solution impregnant45US 4,049,849 AThe Dow Chemical Company · 1977
- Methods for enhancing penetration of wood preservatives24US 6,485,790 B2Lonza Ltd. · 2002
- Method of perfusing a porous workpiece with a chemical composition using cosolvents21US 5,094,892 AWeyerhaeuser Company · 1992
- Method of protecting wood through enhanced penetration of wood preservatives and a related solution10US 7,896,960 B2Kop-Coat, Inc. · 2011
- Method for wood preservation9US 4,287,239 A1981