B27K 3/04
Impregnating in open tanks
B27K3/04 (Impregnating in open tanks) appears on 20 US grants and 25 published applications in this corpus.
Search patents in B27K- Granted patents
- 20
- Published applications
- 25
- Assignees
- 15
- Inventors
- 37
- Latest grant
- 18 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 2 | 4 |
| 2016 | 4 | 1 |
| 2017 | 1 | 2 |
| 2018 | 0 | 0 |
| 2019 | 2 | 7 |
| 2020 | 0 | 0 |
| 2021 | 4 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Production of nanoscale emulsion18 Mar 2025US 12,251,670 B2BDC-Technology Oy
- Process and apparatus for treating lignocellulosic material2 Mar 2021US 10,933,555 B2Technologies Boralife Inc.
- Method for impregnation of wood component with solid paraffin wax, apparatus therefor and wood component so impregnated23 Feb 2021US 10,926,285 B2Prolam, Societe En Commandite
- Class-A fire-protected oriented strand board (OSB) sheathing, and method of and automated factory for producing the same16 Feb 2021US 10,919,178 B2M-Fire Holdings LLC
- Class-A fire-protected wood products inhibiting ignition and spread of fire along class-A fire-protected wood surfaces and development of smoke from such fire26 Jan 2021US 10,899,038 B2M-Fire Holdings LLC
- Self-flowing treatment of wood, bamboo, and other porous materials12 Mar 2026US 2026/0070255 A1University of North Texas
- Immersion treatment system for items and method17 Oct 2024US 2024/0342945 A1Technologies Boralife Inc.
- Aldehyde treatment of lumber31 Mar 2022US 2022/0097253 A1Finoric, LLC
- Production of nanoscale emulsion15 Apr 2021US 2021/0106956 A1BDC-Technology Oy
- Class-a fire-protected floor and roof truss structures, and method of and factory for producing the same6 Jun 2019US 2019/0168409 A1M-Fire Suppression, Inc.
Most cited
By later US patents
- Methods of designing and constructing Class-A fire-protected multi-story wood-framed buildings47US 10,260,232 B1M-Fire Supression, Inc. · 2019
- Class-A fire-protected wood products inhibiting ignition and spread of fire along class-A fire-protected wood surfaces and development of smoke from such fire21US 10,899,038 B2M-Fire Holdings LLC · 2021
- Method of manufacturing modified wood material19US 4,857,365 AMatsushita Electric Works, Ltd. · 1989
- Class-A fire-protected oriented strand board (OSB) sheathing, and method of and automated factory for producing the same16US 10,919,178 B2M-Fire Holdings LLC · 2021
- Method of manufacturing modified wood material13US 4,731,265 AMatsushita Electric Works, Ltd. · 1988