B27B 7/04
Sawing machines working with circular saw blades, specially designed for length sawing
Official title: by making use of a plurality of circular saws mounted on a single spindle; Arrangements for adjusting the mutual distances {(equipment for adjusting the mutual distance of circular wood saws in general B27B5/34)}
B27B7/04 (Sawing machines working with circular saw blades, specially designed for length sawing) appears on 44 US grants and 29 published applications in this corpus.
Search patents in B27B- Granted patents
- 44
- Published applications
- 29
- Assignees
- 24
- Inventors
- 50
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 0 | 2 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 4 |
| 2005 | 1 | 3 |
| 2006 | 4 | 1 |
| 2007 | 3 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 3 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 3 |
| 2023 | 1 | 2 |
| 2024 | 3 | 0 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Lubricant flow control management for saw guides11 Nov 2025US 12,465,984 B2Precision Guide Machinery and Repair Limited
- Dual-spindle circular saw for sawing wood15 Apr 2025US 12,275,162 B2
- Workpiece cutting equipment hanging over the top of workpieces25 Mar 2025US 12,257,734 B2
- Delivery chain apparatus of a wood-working machine with saw blades3 Sep 2024US 12,076,881 B2Kuang Yung Machinery Co., Ltd.
- Method and apparatus for feeding an edger16 Apr 2024US 11,958,207 B2Salem Equipment, Inc.
- Workpiece cutting equipment hanging over the top of workpieces3 Jul 2025US 2025/0214273 A1Real Performance Machinery, LLC
- Automated cutting for scenic flats construction19 Oct 2023US 2023/0330889 A1
- Delivery chain apparatus of a wood-working machine with saw blades21 Sep 2023US 2023/0294322 A1Kuang Yung Machinery Co., Ltd.
- Lubricant flow control management for saw guides16 Jun 2022US 2022/0184720 A1Precision Guide Machinery and Repair Limited
- Method and apparatus for feeding an edger16 Jun 2022US 2022/0184842 A1Salem Equipment, Inc.
Most cited
By later US patents
- Method and apparatus for cutting a cant into boards37US 5,722,474 A1998
- Saw machine34US 4,572,256 A1986
- Method and apparatus for curve sawing or traverse edging with an active sawbox26US 5,946,995 ACAE Electronics Ltd. CAE Electronique Ltee · 1999
- Vertical arbor saw for shape sawing a log23US 6,062,281 AU. S. Natural Resources, Inc. · 2000
- Machine for cutting plates from timber20US 6,164,349 A2000