B27K 3/0271
Vapour phase impregnation
Official title: {Vapour phase impregnation}
B27K3/0271 (Vapour phase impregnation) appears on 34 US grants and 30 published applications in this corpus.
Search patents in B27K- Granted patents
- 34
- Published applications
- 30
- Assignees
- 29
- Inventors
- 90
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 0 | 3 |
| 2021 | 1 | 2 |
| 2022 | 3 | 3 |
| 2023 | 2 | 4 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
| 2026 | 2 | 1 |
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
- Method for treating wood and construction element19 May 2026US 12,629,862 B2Houtindustrie “Mevo B.V.”
- Green process for modifying wood2 Dec 2025US 12,485,570 B2T2Earth Holdings LLC
- Boards from acetylated rubberwood5 Aug 2025US 12,377,574 B2Tricoya Technologies Ltd
- Cooling acetylated wood elements11 Jul 2023US 11,697,221 B2Tricoya Technologies Ltd
- Acetylated wood30 Jul 2026US 2026/0216912 A1YKK AP Inc.
- Elevated pressure hybrid wood modification18 Dec 2025US 2025/0381704 A1Alpha Holding Brande Aps
- Method for treating wood and construction element4 Jan 2024US 2024/0001584 A1Houtindustrie “Mevo B.V.”
- Process and Design Modifications to Retrofit a Conventional Wood Plant21 Dec 2023US 2023/0405866 A1T2Earth Holdings LLC
- Treated Cellulosic Materials and Methods of Making the Same2 Nov 2023US 2023/0347547 A1Georgia Tech Research Corporation
Most cited
By later US patents
- Acetylation method for material containing cellulose, and manufacturing method for modified wood24US 5,525,721 AYamaha Corporation · 1996
- Method for heat-treating wood and wood products20US 5,447,686 A1995
- Modifying method for wood elements13US 6,632,326 B1Yamaha Corporation · 2003
- Combined firewood rack and fumigator11US 4,509,650 A1985
- Treatment of formaldehyde-containing wood panel products9US 4,678,686 A1987