B27K 3/26
Compounds of iron, aluminium, or chromium
B27K3/26 (Compounds of iron, aluminium, or chromium) appears on 59 US grants and 46 published applications in this corpus.
Search patents in B27K- Granted patents
- 59
- Published applications
- 46
- Assignees
- 46
- Inventors
- 126
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 5 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 3 |
| 2012 | 0 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 1 |
| 2016 | 2 | 3 |
| 2017 | 0 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 3 |
| 2021 | 1 | 4 |
| 2022 | 3 | 3 |
| 2023 | 1 | 3 |
| 2024 | 3 | 4 |
| 2025 | 1 | 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
- Method for treating wood and construction element19 May 2026US 12,629,862 B2Houtindustrie “Mevo B.V.”
- Preservative composition for wood based on modified lignin11 Feb 2025US 12,219,957 B2Universidad Del Pais Vasco/Euskal Herriko Unibertsitatea
- Flexible wood structures and devices, and methods for fabricating and use thereof3 Dec 2024US 12,157,249 B2University of Maryland, College Park
- Method and device for preparing magnetic bamboo wood12 Nov 2024US 12,138,822 B2Nanjing Forestry University
- Methods for determining a source of wood products, wood preservative compositions, wood products, and methods of treating wood substrates13 Feb 2025US 2025/0052736 A1Koppers Performance Chemicals Inc.
- Method and device for preparing magnetic bamboo wood22 Aug 2024US 2024/0278454 A1Nanjing Forestry University
- In situ pigmentation of decorative materials15 Aug 2024US 2024/0270922 A1Faurecia Interior Systems, Inc.
- Modification arrangement for hygroscopic material18 Apr 2024US 2024/0123651 A1
- Method for treating wood and construction element4 Jan 2024US 2024/0001584 A1Houtindustrie “Mevo B.V.”
Most cited
By later US patents
- Composition and process for coloring and preserving wood35US 4,313,976 AOsmose Wood Preserving Co. of America, Inc. · 1982
- Method for coloring wood chips31US 5,192,587 AKurtz Bros., Inc. · 1993
- Chromated copper arsenate wood preservative compositions22US 3,957,494 AKoppers Company, Inc. · 1976
- Wood preservation process19US 4,325,993 A1982
- Wood preservation19US 4,732,817 A1988