B27B 17/08
Drives or gearings
Official title: Drives or gearings; Devices for swivelling or tilting the chain saw
B27B17/08 (Drives or gearings) appears on 346 US grants and 260 published applications in this corpus.
Search patents in B27B- Granted patents
- 346
- Published applications
- 260
- Assignees
- 92
- Inventors
- 661
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 7 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 9 | 0 |
| 1983 | 7 | 0 |
| 1984 | 9 | 0 |
| 1985 | 5 | 0 |
| 1986 | 10 | 0 |
| 1987 | 10 | 0 |
| 1988 | 12 | 0 |
| 1989 | 12 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 4 |
| 2003 | 3 | 5 |
| 2004 | 4 | 1 |
| 2005 | 2 | 1 |
| 2006 | 2 | 5 |
| 2007 | 1 | 6 |
| 2008 | 4 | 3 |
| 2009 | 2 | 2 |
| 2010 | 3 | 7 |
| 2011 | 1 | 7 |
| 2012 | 3 | 8 |
| 2013 | 5 | 6 |
| 2014 | 10 | 15 |
| 2015 | 10 | 18 |
| 2016 | 6 | 4 |
| 2017 | 16 | 15 |
| 2018 | 5 | 13 |
| 2019 | 15 | 14 |
| 2020 | 11 | 13 |
| 2021 | 11 | 17 |
| 2022 | 11 | 13 |
| 2023 | 10 | 27 |
| 2024 | 14 | 20 |
| 2025 | 13 | 13 |
| 2026 | 9 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Chainsaw safety feature29 Sep 2026US 12,746,703 B2Milwaukee Electric Tool Corporation
- System for protecting an operator of a power tool1 Sep 2026US 12,722,218 B2Husqvarna AB
- Chain saw30 Jun 2026US 12,667,992 B2Nanjing Chervon Industry Co., Ltd.
- Cutting tool and control method16 Jun 2026US 12,653,096 B2Nanjing Chervon Industry Co., Ltd.
- Chainsaw and methods for determining and releasing a jammed state of the chainsaw2 Jun 2026US 12,643,256 B2Nanjing Chervon Industry Co., Ltd.
- Handheld work apparatus and method for operating a handheld work apparatus8 Oct 2026US 2026/0307289 A1Andreas Stihl AG & CO.KG
- Chainsaw1 Oct 2026US 2026/0295890 A1Makita Corporation
- Chainsaw1 Oct 2026US 2026/0295891 A1Nanjing Chervon Industry Co., Ltd.
- Power tool17 Sep 2026US 2026/0280461 A1Nanjing Chervon Industry Co., Ltd.
- Hand-Held Processing Device27 Aug 2026US 2026/0249441 A1Andreas Stihl AG & CO.KG
Most cited
By later US patents
- Method and a device for sensing the distance between a first object and a second object276US 5,942,975 A1999
- Anti-kickback power tool control220US 4,267,914 ABlack & Decker Inc. · 1981
- Positive-engaging coupling for a portable handheld tool135US 5,152,631 A1992
- Actuator for the release of an automatic emergency brake of a hand-operated powered tool128US 4,573,556 AAktiebolaget Electrolux · 1986
- Chain saw braking mechanism127US 4,152,833 ACrow, Lytle, Gilwee, Donoghue, Adler and Weineger · 1979