B27B 5/38
Devices for braking the circular saw blade or the saw spindle
Official title: Devices for braking the circular saw blade or the saw spindle; Devices for damping vibrations of the circular saw blade, e.g. silencing {(vibration-damping of sawing machines or devices working with circular saw blades B23D47/005)}
B27B5/38 (Devices for braking the circular saw blade or the saw spindle) appears on 136 US grants and 160 published applications in this corpus.
Search patents in B27B- Granted patents
- 136
- Published applications
- 160
- Assignees
- 35
- Inventors
- 179
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 24 |
| 2003 | 1 | 4 |
| 2004 | 3 | 3 |
| 2005 | 7 | 9 |
| 2006 | 7 | 9 |
| 2007 | 7 | 6 |
| 2008 | 6 | 7 |
| 2009 | 3 | 3 |
| 2010 | 13 | 11 |
| 2011 | 11 | 11 |
| 2012 | 6 | 9 |
| 2013 | 11 | 1 |
| 2014 | 2 | 4 |
| 2015 | 4 | 5 |
| 2016 | 4 | 4 |
| 2017 | 2 | 7 |
| 2018 | 4 | 6 |
| 2019 | 4 | 3 |
| 2020 | 7 | 5 |
| 2021 | 2 | 4 |
| 2022 | 3 | 5 |
| 2023 | 4 | 1 |
| 2024 | 4 | 7 |
| 2025 | 3 | 6 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrostatic clutch for power tool17 Mar 2026US 12,576,549 B2Black & Decker Inc.
- Cordless saw having improved cuts per battery charge4 Nov 2025US 12,459,154 B2Black & Decker Inc.
- Safety braking device with two braking stages29 Jul 2025US 12,375,012 B2Robert Bosch GmbH
- Power tool having stamped brake resistor10 Jun 2025US 12,328,087 B2Milwaukee Electric Tool Corporation
- Tool apparatus and method29 Oct 2024US 12,128,514 B2Festool GmbH
- Method for operating an emergency brake unit for a motor-driven tool, monitoring unit, and emergency brake unit8 Oct 2026US 2026/0307193 A1Festool GmbH
- Machining tool hazard mitigation system2 Apr 2026US 2026/0091529 A1
- Cordless saw having improved cuts per battery charge26 Feb 2026US 2026/0054410 A1Black & Decker Inc.
- Apparatus for stopping a cutting disc15 Jan 2026US 2026/0014659 A1Kando Innovation Limited
- Sawing tool and power tool30 Oct 2025US 2025/0337347 A1Nanjing Chervon Industry Co., Ltd.
Most cited
By later US patents
- Anti-kickback power tool control185US 4,249,117 ABlack & Decker Inc. · 1981
- Miter saw with improved safety system152US 6,826,988 B2Sd3, LLC · 2004
- Cutting tool safety system146US 6,920,814 B2Sd3, LLC · 2005
- Table saw with improved safety system136US 6,994,004 B2Sd3, LLC · 2006
- Braking and control circuit for electric power tools133US 6,236,177 B1Milwaukee Electric Tool Corporation · 2001