B27B 17/14
Arrangements for stretching the chain saw
B27B17/14 (Arrangements for stretching the chain saw) appears on 124 US grants and 106 published applications in this corpus.
Search patents in B27B- Granted patents
- 124
- Published applications
- 106
- Assignees
- 52
- Inventors
- 218
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 1 |
| 2003 | 4 | 1 |
| 2004 | 3 | 1 |
| 2005 | 3 | 13 |
| 2006 | 1 | 7 |
| 2007 | 3 | 2 |
| 2008 | 4 | 2 |
| 2009 | 2 | 4 |
| 2010 | 3 | 3 |
| 2011 | 2 | 6 |
| 2012 | 1 | 3 |
| 2013 | 7 | 2 |
| 2014 | 1 | 5 |
| 2015 | 3 | 6 |
| 2016 | 2 | 3 |
| 2017 | 11 | 5 |
| 2018 | 3 | 7 |
| 2019 | 4 | 5 |
| 2020 | 2 | 1 |
| 2021 | 6 | 7 |
| 2022 | 6 | 9 |
| 2023 | 5 | 4 |
| 2024 | 4 | 3 |
| 2025 | 2 | 1 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tensioning devices for maintaining tension in chain saws9 Jun 2026US 12,649,255 B2Chain Orthopedics, LLC
- Chain saw6 Jan 2026US 12,515,368 B2Jiangsu Dongcheng Tools Technology Co., Ltd.
- Saw apparatus with hydraulic tensioning4 Feb 2025US 12,214,519 B2Deere & Company
- Chainsaw7 Jan 2025US 12,186,930 B2Yamabiko Corporation
- Chain saw19 Nov 2024US 12,145,289 B2Nanjing Chervon Industry Co., Ltd.
- Chain saw with a tensioning assembly8 Oct 2026US 2026/0307290 A1Deere & Company
- Chainsaw1 Oct 2026US 2026/0295890 A1Makita Corporation
- Devices for Maintaining Tension in Chain Saws17 Sep 2026US 2026/0273791 A1Chain Orthopedics, LLC
- Chain saw16 Jul 2026US 2026/0200121 A1Jiangsu Dongcheng M&E Tools Co., Ltd.
- Chainsaws and tensioning systems for chainsaws5 Jun 2025US 2025/0178230 A1Techtronic Cordless GP
Most cited
By later US patents
- Chain saw device59US 4,382,334 AOmark Industries, Inc. · 1983
- Chain stretching device for a chain saw55US 5,497,557 AAktiebolaget Electrolux · 1996
- Tension device for a chain in a chain saw44US 5,070,618 AAktiebolaget Electrolux · 1991
- Tensioning arrangement for a saw chain43US 5,491,899 A1996
- Chain saw tensioning apparatus40US 5,528,835 A1996