B27L
Removing bark or vestiges of branches
Official title: Removing bark or vestiges of branches (forestry a01g); splitting wood; manufacture of veneer, wooden sticks, wood shavings, wood fibres or wood powder
B27L (Removing bark or vestiges of branches) appears on 1,628 US grants and 680 published applications in this corpus.
Search patents in B27L- Granted patents
- 1,628
- Published applications
- 680
- Assignees
- 569
- Inventors
- 1,920
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 42 | 0 |
| 1977 | 31 | 0 |
| 1978 | 37 | 0 |
| 1979 | 35 | 0 |
| 1980 | 45 | 0 |
| 1981 | 70 | 0 |
| 1982 | 50 | 0 |
| 1983 | 61 | 0 |
| 1984 | 62 | 0 |
| 1985 | 48 | 0 |
| 1986 | 48 | 0 |
| 1987 | 50 | 0 |
| 1988 | 44 | 0 |
| 1989 | 51 | 0 |
| 1990 | 36 | 0 |
| 1991 | 36 | 0 |
| 1992 | 42 | 0 |
| 1993 | 31 | 0 |
| 1994 | 37 | 0 |
| 1995 | 39 | 0 |
| 1996 | 29 | 0 |
| 1997 | 33 | 0 |
| 1998 | 37 | 0 |
| 1999 | 48 | 0 |
| 2000 | 32 | 0 |
| 2001 | 33 | 4 |
| 2002 | 26 | 27 |
| 2003 | 32 | 31 |
| 2004 | 30 | 36 |
| 2005 | 18 | 30 |
| 2006 | 30 | 33 |
| 2007 | 19 | 27 |
| 2008 | 16 | 28 |
| 2009 | 13 | 32 |
| 2010 | 23 | 26 |
| 2011 | 25 | 37 |
| 2012 | 17 | 21 |
| 2013 | 14 | 24 |
| 2014 | 7 | 24 |
| 2015 | 13 | 23 |
| 2016 | 15 | 33 |
| 2017 | 26 | 32 |
| 2018 | 27 | 26 |
| 2019 | 23 | 25 |
| 2020 | 26 | 32 |
| 2021 | 23 | 29 |
| 2022 | 14 | 17 |
| 2023 | 27 | 22 |
| 2024 | 24 | 31 |
| 2025 | 21 | 18 |
| 2026 | 12 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
Recent patents
- Timber processing and firewood splitting machine6 Oct 2026US 12,752,353 B2Tajfun Plani Proizvodnje Trojev D.O.O.
- Rotating infeed chute for a brush chipper15 Sep 2026US 12,734,528 B2Vermeer Manufacturing Company
- Plant material processing25 Aug 2026US 12,714,039 B2Pro Mac Manufacturing Ltd.
- Flexible and smart wood with responsive function, preparation method thereof and actuator30 Jun 2026US 12,667,995 B2Nanjing Forestry University
- Scarfing machine9 Jun 2026US 12,649,256 B2Meinan Machinery Works, Inc.
- Assistive wood splitting device1 Oct 2026US 2026/0295895 A1
- Method for adjusting the operation of a debarker17 Sep 2026US 2026/0273794 A1Microtec S.R.L.
- Fire shaver17 Sep 2026US 2026/0273795 A1Outdoor Element, LLC
- Firewood splitting machine10 Sep 2026US 2026/0264285 A1
- Two-way quick cylinder and wood splitter9 Jul 2026US 2026/0194080 A1
Most cited
By later US patents
- Efficient, natural slat system151US 6,450,235 B12002
- Wooden tiles and method for making the same124US 6,576,079 B12003
- Reconstituted wood veneer covered structural elements111US 4,942,084 A1990
- Method of manufacturing decorative wood products from engineered wood products67US 6,428,871 B12002
- Chipper knife assembly61US 4,667,713 AWeyerhaeuser Company · 1987