B23D 47/04
Sawing machines or sawing devices working with circular saw blades, characterised only
Official title: of devices for feeding, positioning, clamping, or rotating work
B23D47/04 (Sawing machines or sawing devices working with circular saw blades, characterised only) appears on 445 US grants and 332 published applications in this corpus.
Search patents in B23D- Granted patents
- 445
- Published applications
- 332
- Assignees
- 237
- Inventors
- 749
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 8 | 0 |
| 1978 | 10 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 5 | 0 |
| 1986 | 12 | 0 |
| 1987 | 8 | 0 |
| 1988 | 11 | 0 |
| 1989 | 11 | 0 |
| 1990 | 10 | 0 |
| 1991 | 11 | 0 |
| 1992 | 14 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 10 | 0 |
| 1999 | 14 | 0 |
| 2000 | 5 | 0 |
| 2001 | 13 | 4 |
| 2002 | 8 | 17 |
| 2003 | 15 | 18 |
| 2004 | 5 | 18 |
| 2005 | 15 | 22 |
| 2006 | 10 | 17 |
| 2007 | 11 | 14 |
| 2008 | 7 | 12 |
| 2009 | 5 | 18 |
| 2010 | 14 | 10 |
| 2011 | 6 | 11 |
| 2012 | 7 | 7 |
| 2013 | 6 | 8 |
| 2014 | 7 | 7 |
| 2015 | 8 | 8 |
| 2016 | 6 | 7 |
| 2017 | 8 | 14 |
| 2018 | 11 | 19 |
| 2019 | 20 | 19 |
| 2020 | 15 | 15 |
| 2021 | 11 | 13 |
| 2022 | 9 | 12 |
| 2023 | 12 | 8 |
| 2024 | 6 | 15 |
| 2025 | 8 | 10 |
| 2026 | 9 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Power cutting machine15 Sep 2026US 12,734,596 B2Yamabiko Corporation
- Cut member processing device and cutting system15 Sep 2026US 12,734,597 B2Amada Company, Limited
- End-processing center for rod-shaped workpieces28 Jul 2026US 12,691,513 B2ASMAG-Holding GmbH
- Side-mounted double-saw synchronous transmission apparatus14 Jul 2026US 12,678,870 B2Dalian Field Manufacturing Co., Ltd
- Window covering cutting apparatus16 Jun 2026US 12,654,242 B2Nien Made Enterprise Co., Ltd.
- Apparatus and method for cutting strips of insulation from panels17 Sep 2026US 2026/0273635 A1
- Automated ferrous cutting saw and linear positioning system10 Sep 2026US 2026/0264156 A1Precision Automation, Inc.
- Opposed cutting machine for end-of-life automotive tires27 Aug 2026US 2026/0249368 A1Suzhou City University
- Workpiece stop arrangement for a circular saw7 May 2026US 2026/0124689 A1Festool GmbH
- Table saw9 Apr 2026US 2026/0097441 A1Robert Bosch GmbH
Most cited
By later US patents
- Micromachining system108US 6,553,880 B2Sarcos LC · 2003
- Undercut saw104US 3,946,631 A1976
- Work presence controller99US 4,637,289 AWhirlwind, Inc. · 1987
- Safety mechanism for saws87US 4,756,220 AEngineering Consulting Services · 1988
- Apparatus for machining a workpiece of wood, in particular wood beams70US 4,907,337 A1990