B27L 1/04
Debarking or removing vestiges of branches from trees or logs: by rubbing
Official title: by rubbing the trunks in rotating drums {(B27L1/025 takes precedence)}
B27L1/04 (Debarking or removing vestiges of branches from trees or logs: by rubbing) appears on 69 US grants and 16 published applications in this corpus.
Search patents in B27L- Granted patents
- 69
- Published applications
- 16
- Assignees
- 40
- Inventors
- 72
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 3 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Debarking drum, method and system for debarking of wood17 Mar 2026US 12,576,552 B2Valmet Technologies Oy
- Device and method of processing logs using a thermal camera2 Jul 2024US 12,023,825 B2Stora Enso OYJ
- Phase shifting debarking apparatus, system and method25 Jan 2022US 11,230,030 B2Bid Group Technologies Ltd
- Debarking machine7 Dec 2021US 11,192,273 B2Fuji Kogyo Co., Ltd.
- Spike for harvester heads and debarker rollers23 Mar 2021US 10,953,564 B2éQuipement Fabmec Inc.
- 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
- Clamp for limiting cracks in logs13 Feb 2025US 2025/0050532 A1Latschbacher GmbH
- Debarking Drum, Method and System for Debarking of Wood6 Jun 2024US 2024/0181670 A1Valmet Technologies Oy
- Device and method of processing logs using a thermal camera2 Jun 2022US 2022/0168920 A1Stora Enso OYJ
- Debarking machine24 Sep 2020US 2020/0298439 A1Fuji Kogyo Co., Ltd.
Most cited
By later US patents
- Infeed conveyor for saw51US 4,881,584 AWeyerhaeuser Company · 1989
- Device for treatment of the surface of round timber37US 4,231,406 A1980
- Debarker toe assembly32US 4,209,047 A1980
- Debarking tool for log debarking machines20US 4,280,541 AReimler Associates, Inc. · 1981
- Debarking tool18US 3,973,607 ABrundell Och Jonsson AB · 1976