B23D 57/02
Sawing machines or sawing devices not covered by one of the preceding
Official title: with chain saws
B23D57/02 (Sawing machines or sawing devices not covered by one of the preceding) appears on 114 US grants and 128 published applications in this corpus.
Search patents in B23D- Granted patents
- 114
- Published applications
- 128
- Assignees
- 40
- Inventors
- 247
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 2 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 3 |
| 2011 | 3 | 1 |
| 2012 | 2 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 17 |
| 2015 | 2 | 12 |
| 2016 | 11 | 9 |
| 2017 | 14 | 14 |
| 2018 | 3 | 4 |
| 2019 | 9 | 1 |
| 2020 | 5 | 11 |
| 2021 | 6 | 5 |
| 2022 | 7 | 14 |
| 2023 | 6 | 12 |
| 2024 | 9 | 3 |
| 2025 | 8 | 6 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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
- Handheld electric tool and motor assembly for electric tool14 Jul 2026US 12,678,927 B2Techtronic Cordless GP
- Tool head replacement structure for electric tools28 Apr 2026US 12,611,759 B2Yongkang Yishun Tools Co., Ltd.
- Power tool with improved liquid dispensing system25 Nov 2025US 12,479,037 B2Husqvarna AB
- Hand-Held Electrically Powered Work Tool with Air Leaking Out in a Slot Between the Battery and Battery Compartment24 Sep 2026US 2026/0284932 A1Husqvarna AB
- Electric work machine11 Jun 2026US 2026/0158698 A1Makita Corporation
- Tool head replacement structure for electric tools26 Mar 2026US 2026/0084279 A1Yongkang Yishun Tools Co., Ltd.
- Electric Power Tool5 Feb 2026US 2026/0034594 A1Yamabiko Corporation
- Chainsaw25 Dec 2025US 2025/0387940 A1Yamabiko Corporation
Most cited
By later US patents
- Flexible bladed saw45US 3,999,294 A1976
- Oscillating cutting element42US 4,518,022 A1985
- Hand-held motor-driven saw17US 6,178,960 B2Hagby Asahi AB · 2001
- Cutting device with vertical and horizontal movement15US 6,286,905 B1Komatsu Ltd. · 2001
- Power transmission assembly for tool mounted on an elongate pole15US 8,020,304 B2Echo Incorporated · 2011