B27B 3/30
Blade attachments
Official title: Blade attachments, e.g. saw buckles; Stretching devices
B27B3/30 (Blade attachments) appears on 5 US grants and 5 published applications in this corpus.
Search patents in B27B- Granted patents
- 5
- Published applications
- 5
- Assignees
- 6
- Inventors
- 15
- Latest grant
- 25 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Workpiece cutting equipment hanging over the top of workpieces25 Mar 2025US 12,257,734 B2
- Stone cutting device16 Jan 2018US 9,868,226 B2Ehwa Diamond Ind. Co., Ltd.
- Cutting block for a sawing machine for sawing stone blocks25 Jan 2005US 6,845,766 B2Calvasina S.p.A.
- Device for clamping the blades in a gang saw for sawing crystal rods18 Oct 1988US 4,777,926 AHeliotronic Forschungs- und Entwicklungsgesellschaft fur Solarzellen-Grundstoffe mbH
- Hydraulic saw frame with external sealing means28 Jul 1987US 4,682,525 ARichard Jansen GmbH
- Workpiece cutting equipment hanging over the top of workpieces3 Jul 2025US 2025/0214273 A1Real Performance Machinery, LLC
- Saw systems having interchangeable saw cartridges20 Jul 2023US 2023/0226714 A1Milwaukee Electric Tool Corporation
- Workpiece cutting equipment hanging over the top of workpieces24 Jun 2021US 2021/0187779 A1Real Performance Machinery, LLC
- Stone cutting device21 Apr 2016US 2016/0107334 A1Ehwa Diamond Ind. Co., Ltd.
- Cutting block for a sawing machine for sawing stone blocks27 Jun 2002US 2002/0078941 A1Calvasina S.p.A.
Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.