B27B 17/00
Chain saws
Official title: Chain saws; Equipment therefor {(slotting or mortising machines equipped with chain cutters B27F5/06)}
B27B17/00 (Chain saws) appears on 1,381 US grants and 911 published applications in this corpus.
Search patents in B27B- Granted patents
- 1,381
- Published applications
- 911
- Assignees
- 267
- Inventors
- 2,037
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 34 | 0 |
| 1977 | 19 | 0 |
| 1978 | 22 | 0 |
| 1979 | 23 | 0 |
| 1980 | 24 | 0 |
| 1981 | 33 | 0 |
| 1982 | 30 | 0 |
| 1983 | 30 | 0 |
| 1984 | 33 | 0 |
| 1985 | 25 | 0 |
| 1986 | 40 | 0 |
| 1987 | 43 | 0 |
| 1988 | 36 | 0 |
| 1989 | 48 | 0 |
| 1990 | 42 | 0 |
| 1991 | 42 | 0 |
| 1992 | 32 | 0 |
| 1993 | 26 | 0 |
| 1994 | 13 | 0 |
| 1995 | 17 | 0 |
| 1996 | 24 | 0 |
| 1997 | 25 | 0 |
| 1998 | 25 | 0 |
| 1999 | 27 | 0 |
| 2000 | 19 | 0 |
| 2001 | 20 | 5 |
| 2002 | 19 | 24 |
| 2003 | 23 | 20 |
| 2004 | 15 | 16 |
| 2005 | 10 | 31 |
| 2006 | 10 | 27 |
| 2007 | 16 | 22 |
| 2008 | 14 | 19 |
| 2009 | 10 | 25 |
| 2010 | 13 | 32 |
| 2011 | 14 | 33 |
| 2012 | 18 | 34 |
| 2013 | 25 | 24 |
| 2014 | 37 | 59 |
| 2015 | 35 | 57 |
| 2016 | 24 | 28 |
| 2017 | 45 | 36 |
| 2018 | 24 | 50 |
| 2019 | 44 | 36 |
| 2020 | 31 | 36 |
| 2021 | 36 | 47 |
| 2022 | 31 | 49 |
| 2023 | 34 | 53 |
| 2024 | 37 | 50 |
| 2025 | 37 | 50 |
| 2026 | 27 | 48 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B27B 17/02Chain saws equipped with guide bar350
- B27B 17/08Drives or gearings346
- B27B 17/0008Means for carrying the chain saw205
- B27B 17/0041Saw benches or saw bucks138
- B27B 17/12Lubricating devices specially designed for chain saws133
- B27B 17/14Arrangements for stretching the chain saw124
- B27B 17/0083Attachments for guiding or supporting chain saws during operation111
- B27B 17/0033Devices for attenuation of vibrations96
Recent patents
- Chainsaw safety feature29 Sep 2026US 12,746,703 B2Milwaukee Electric Tool Corporation
- Hand-held electrically powered disc cutter with specific mass ratios15 Sep 2026US 12,734,727 B2Husqvarna AB
- System for protecting an operator of a power tool1 Sep 2026US 12,722,218 B2Husqvarna AB
- Saw guide1 Sep 2026US 12,722,321 B2
- Chainsaw and lubrication system for chainsaw guide bar28 Jul 2026US 12,691,603 B2Techtronic Cordless GP
- Electric Power Tool Safety Device8 Oct 2026US 2026/0307229 A1
- Handheld work apparatus and method for operating a handheld work apparatus8 Oct 2026US 2026/0307289 A1Andreas Stihl AG & CO.KG
- Chain saw with a tensioning assembly8 Oct 2026US 2026/0307290 A1Deere & Company
- Chainsaw1 Oct 2026US 2026/0295890 A1Makita Corporation
- Chainsaw1 Oct 2026US 2026/0295891 A1Nanjing Chervon Industry Co., Ltd.
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