B23D 47/12
Sawing machines or sawing devices working with circular saw blades, characterised only
Official title: of drives for circular saw blades
B23D47/12 (Sawing machines or sawing devices working with circular saw blades, characterised only) appears on 359 US grants and 380 published applications in this corpus.
Search patents in B23D- Granted patents
- 359
- Published applications
- 380
- Assignees
- 147
- Inventors
- 759
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 11 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 10 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 1 |
| 2002 | 3 | 5 |
| 2003 | 5 | 12 |
| 2004 | 4 | 6 |
| 2005 | 8 | 19 |
| 2006 | 14 | 18 |
| 2007 | 4 | 6 |
| 2008 | 6 | 6 |
| 2009 | 3 | 16 |
| 2010 | 8 | 10 |
| 2011 | 7 | 16 |
| 2012 | 8 | 15 |
| 2013 | 3 | 13 |
| 2014 | 15 | 10 |
| 2015 | 10 | 10 |
| 2016 | 7 | 18 |
| 2017 | 5 | 14 |
| 2018 | 14 | 31 |
| 2019 | 23 | 26 |
| 2020 | 27 | 22 |
| 2021 | 19 | 20 |
| 2022 | 12 | 22 |
| 2023 | 8 | 19 |
| 2024 | 9 | 21 |
| 2025 | 19 | 14 |
| 2026 | 8 | 10 |
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
- Side-mounted double-saw synchronous transmission apparatus14 Jul 2026US 12,678,870 B2Dalian Field Manufacturing Co., Ltd
- Apparatus for cutting curved wall of reactor structure26 May 2026US 12,636,719 B2Egun Co., Ltd.
- Material cutting device19 May 2026US 12,629,855 B2Wacker Neuson Produktion GmbH & Co. KG
- Electrostatic clutch for power tool17 Mar 2026US 12,576,549 B2Black & Decker Inc.
- Cutting machine1 Oct 2026US 2026/0295693 A1Makita Corporation
- Cutting machine and electric work machine1 Oct 2026US 2026/0295695 A1Makita Corporation
- Work machine9 Jul 2026US 2026/0196957 A1Koki Holdings Co., Ltd.
- Hand-held work apparatus for processing a material25 Jun 2026US 2026/0175305 A1Andreas Stihl AG & CO.KG
- Handheld work apparatus and method for operating same11 Jun 2026US 2026/0158567 A1Andreas Stihl AG & CO.KG
Most cited
By later US patents
- Surgical cast cutter1,175US 5,878,607 AJohnson & Johnson Professional, Inc. · 1999
- Automatic transmission for a power tool1,041US 8,172,004 B2Techtronic Power Tools Technology Limited · 2012
- Circular saw1,021US 8,739,417 B2Makita Corporation · 2014
- Electric power tool954US 10,099,303 B2Hitachi Koki Co., Ltd. · 2018
- Desk-top cutting machine91US 5,572,916 AHitachi Koki Haramachi Co., Ltd. · 1996