B27K 3/0278
Involving an additional treatment during or after impregnation
Official title: {involving an additional treatment during or after impregnation}
B27K3/0278 (Involving an additional treatment during or after impregnation) appears on 208 US grants and 220 published applications in this corpus.
Search patents in B27K- Granted patents
- 208
- Published applications
- 220
- Assignees
- 177
- Inventors
- 532
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 8 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 4 |
| 2003 | 5 | 2 |
| 2004 | 1 | 2 |
| 2005 | 1 | 4 |
| 2006 | 2 | 7 |
| 2007 | 0 | 6 |
| 2008 | 1 | 6 |
| 2009 | 2 | 7 |
| 2010 | 3 | 6 |
| 2011 | 2 | 5 |
| 2012 | 4 | 3 |
| 2013 | 4 | 11 |
| 2014 | 2 | 8 |
| 2015 | 9 | 9 |
| 2016 | 6 | 6 |
| 2017 | 3 | 22 |
| 2018 | 10 | 10 |
| 2019 | 15 | 12 |
| 2020 | 8 | 16 |
| 2021 | 6 | 14 |
| 2022 | 14 | 12 |
| 2023 | 6 | 15 |
| 2024 | 11 | 19 |
| 2025 | 7 | 7 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Densified hygroscopic materials and products made thereof8 Sep 2026US 12,728,560 B2Swiss Wood Solutions AG
- Transparent wood surface imprinting optical device and application thereof30 Jun 2026US 12,667,994 B2Nanjing Forestry University
- Method for treating wood and construction element19 May 2026US 12,629,862 B2Houtindustrie “Mevo B.V.”
- Wood protecting methods and wood products produced with the methods5 May 2026US 12,617,120 B2OrganoWood AB
- Process To Make Silicate Functionalized Engineered Wood Articles With Improved Properties9 Jul 2026US 2026/0192485 A1T2Earth Holdings LLC
- 1,3-propanediol carrier compositions and methods of use thereof4 Jun 2026US 2026/0151930 A1Primient Covation LLC
- Method for modifying wood and products thereof28 May 2026US 2026/0145359 A1Rakauco Limited
- Method for producing modified wood material, and modified wood material14 May 2026US 2026/0131497 A1Keihoku Precut Co., Ltd.
- Process and Design Modifications to Retrofit a Conventional Wood Plant14 May 2026US 2026/0131498 A1T2Earth Holdings LLC
Most cited
By later US patents
- Molten salt method of producing fire resistant wood articles52US 3,935,343 AUnited States Gypsum Company · 1976
- Closable bag and method and arrangement for aseptic filling thereof48US 4,731,978 AAlfa-Laval Food & Dairy Engineering AB · 1988
- Inhibiting leaching of fire retardant salts from wood with cyclic sulfonium zwitterion solution impregnant45US 4,049,849 AThe Dow Chemical Company · 1977
- Protection of wooden posts and masts40US 5,138,806 AKabelmetal Electro GmbH · 1992
- Method for controlling AMT system including speed sensor signal fault detection and tolerance37US 4,849,899 AEaton Corporation · 1989