B27K 5/00
Treating of wood not provided for in groups b27k1/00, b27k3/00
Official title: Treating of wood not provided for in groups B27K1/00, B27K3/00
B27K5/00 (Treating of wood not provided for in groups b27k1/00, b27k3/00) appears on 492 US grants and 504 published applications in this corpus.
Search patents in B27K- Granted patents
- 492
- Published applications
- 504
- Assignees
- 402
- Inventors
- 1,175
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 12 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 8 | 0 |
| 1981 | 6 | 0 |
| 1982 | 7 | 0 |
| 1983 | 11 | 0 |
| 1984 | 8 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 14 | 0 |
| 1988 | 12 | 0 |
| 1989 | 10 | 0 |
| 1990 | 13 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 4 |
| 2002 | 6 | 10 |
| 2003 | 13 | 12 |
| 2004 | 7 | 7 |
| 2005 | 3 | 14 |
| 2006 | 3 | 11 |
| 2007 | 3 | 19 |
| 2008 | 4 | 12 |
| 2009 | 2 | 12 |
| 2010 | 9 | 17 |
| 2011 | 6 | 14 |
| 2012 | 7 | 24 |
| 2013 | 16 | 22 |
| 2014 | 5 | 15 |
| 2015 | 12 | 20 |
| 2016 | 11 | 22 |
| 2017 | 6 | 26 |
| 2018 | 13 | 25 |
| 2019 | 21 | 27 |
| 2020 | 24 | 36 |
| 2021 | 24 | 27 |
| 2022 | 22 | 29 |
| 2023 | 18 | 29 |
| 2024 | 24 | 38 |
| 2025 | 20 | 17 |
| 2026 | 13 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B27K 5/001Heating189
- B27K 5/02Staining or dyeing wood140
- B27K 5/007Treating of wood not provided for in groups b27k1/00, b27k3/00: using pressure77
- B27K 5/04Combined bleaching or impregnating and drying of wood73
- B27K 5/0085Thermal treatments, i.e. involving chemical modification of wood at temperatures well over64
- B27K 5/003Treating of wood not provided for in groups b27k1/00, b27k3/00: by using60
- B27K 5/06Softening or hardening of wood48
- B27K 5/0005Cryogenic treatment7
Recent patents
- Densified hygroscopic materials and products made thereof8 Sep 2026US 12,728,560 B2Swiss Wood Solutions AG
- Wood treatment compositions having antimicrobial properties4 Aug 2026US 12,697,748 B2Société en Commandite Prolam
- Disinfection system for wood barrels2 Jun 2026US 12,642,878 B2Cleanwood Technology S.L.
- Method and system for producing spalted wood products using an aging chamber26 May 2026US 12,636,811 B2Vermont Wildwoods
- Method for treating wood and construction element19 May 2026US 12,629,862 B2Houtindustrie “Mevo B.V.”
- Polymer dispersion for coating wood for blocking migratable compounds8 Oct 2026US 2026/0308286 A1Arkema France
- Apparatus and method for heat treatment of wood24 Sep 2026US 2026/0286227 A1
- Process for partial delignification and filling of a lignocellulosic material, and composite material structure able to be obtained by this process27 Aug 2026US 2026/0249512 A1SAS Woodoo
- Method for finishing a furniture item and machine tool6 Aug 2026US 2026/0225281 A1Tecno Logica S.R.L.
- Acetylated wood30 Jul 2026US 2026/0216912 A1YKK AP Inc.
Most cited
By later US patents
- Method for treating surfaces of wood panels65US 3,961,108 A1976
- Process for the preservation of wood63US 3,968,276 ADiversified Wood Products, Inc. · 1976
- Powder based balancing layer63US 9,085,905 B2Välinge Innovation AB · 2015
- Solid/liquid mixing system61US 6,536,939 B1Becker Underwood, Inc. · 2003
- Fire retarding composition and a method for impregnation of a combustible material58US 6,042,639 AFireguard Scandinavia AS · 2000