B27L 1/00
Debarking or removing vestiges of branches from trees or logs
Official title: Debarking or removing vestiges of branches from trees or logs (debarking by chemical treatment B27L3/00 {; peeling osier rods B27J3/00}); Machines therefor
B27L1/00 (Debarking or removing vestiges of branches from trees or logs) appears on 293 US grants and 111 published applications in this corpus.
Search patents in B27L- Granted patents
- 293
- Published applications
- 111
- Assignees
- 136
- Inventors
- 372
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 12 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 10 | 0 |
| 1986 | 17 | 0 |
| 1987 | 15 | 0 |
| 1988 | 7 | 0 |
| 1989 | 13 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 10 | 0 |
| 1993 | 11 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 2 | 5 |
| 2003 | 10 | 7 |
| 2004 | 5 | 6 |
| 2005 | 3 | 2 |
| 2006 | 1 | 3 |
| 2007 | 2 | 4 |
| 2008 | 2 | 5 |
| 2009 | 2 | 8 |
| 2010 | 3 | 6 |
| 2011 | 5 | 6 |
| 2012 | 4 | 5 |
| 2013 | 1 | 2 |
| 2014 | 0 | 2 |
| 2015 | 4 | 5 |
| 2016 | 3 | 6 |
| 2017 | 3 | 3 |
| 2018 | 4 | 5 |
| 2019 | 3 | 5 |
| 2020 | 4 | 7 |
| 2021 | 6 | 5 |
| 2022 | 5 | 2 |
| 2023 | 1 | 1 |
| 2024 | 6 | 4 |
| 2025 | 2 | 3 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B27L 1/04Debarking or removing vestiges of branches from trees or logs: by rubbing69
- B27L 1/10Debarking or removing vestiges of branches from trees or logs: using rotatable60
- B27L 1/02Debarking or removing vestiges of branches from trees or logs: by rubbing49
- B27L 1/12Debarking or removing vestiges of branches from trees or logs: using pliable41
- B27L 1/08Debarking or removing vestiges of branches from trees or logs: using rotating38
- B27L 1/06Manually- operated or portable devices for debarking or for removing vestiges of18
- B27L 1/005Debarking by non-rotatable tools10
- B27L 1/14Debarking or removing vestiges of branches from trees or logs: using jets8
Recent patents
- Debarking drum, method and system for debarking of wood17 Mar 2026US 12,576,552 B2Valmet Technologies Oy
- Method for processing bark press water from sawmills and/or pulp mills17 Feb 2026US 12,553,181 B2SöDra SkogsäGarna Ekonomisk FöRening
- Remote controlled tree trimmer15 Jul 2025US 12,358,179 B1
- Feed roll assembly, and mount and flute element therefor4 Feb 2025US 12,214,520 B2Webco Mill Supply Ltd.
- Palm tree trimmer system31 Dec 2024US 12,178,165 B2
- Method for adjusting the operation of a debarker17 Sep 2026US 2026/0273794 A1Microtec S.R.L.
- A method for processing of trees using machine vision with software means, a system and a wood processing line26 Mar 2026US 2026/0084339 A1Kivipeski Oy
- Milling head for profiling logs19 Feb 2026US 2026/0048524 A1Gebruder Linck Maschinenfabrik "Gatterlinck" GmbH & Co. KG
- Self-sharpening knife tip8 Jan 2026US 2026/0008201 A1
- Method and system for recovering wood particles from a wood-based feedstock comprising bark17 Jul 2025US 2025/0229294 A1
Most cited
By later US patents