B23B 51/05
For cutting discs from sheet
Official title: for cutting discs from sheet
B23B51/05 (For cutting discs from sheet) appears on 51 US grants and 23 published applications in this corpus.
Search patents in B23B- Granted patents
- 51
- Published applications
- 23
- Assignees
- 22
- Inventors
- 83
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 4 |
| 2016 | 1 | 0 |
| 2017 | 2 | 4 |
| 2018 | 5 | 2 |
| 2019 | 1 | 4 |
| 2020 | 3 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cutting accessory for a drill3 Mar 2026US 12,564,889 B29492-3521 Inc.
- Saw blade quick release mechanism for sawing tool and the sawing tool using the same23 Mar 2021US 10,953,480 B2K&W Tools Co., Ltd.
- Fixed-type rotary cutter2 Mar 2021US 10,933,476 B1
- Holder for a rotary tool, for example one hole saw26 May 2020US 10,661,354 B2Kapman AB
- Adjustable diameter hole cutter3 Mar 2020US 10,576,553 B2Milwaukee Electric Tool Corporation
- Hole Saw with Adjustable Cutting Dimension24 Apr 2025US 2025/0128339 A1Milwaukee Electric Tool Corporation
- Cutting accessory for a drill27 Feb 2025US 2025/0065421 A19492-3521 Inc.
- Fixed-type rotary cutter11 Mar 2021US 2021/0069802 A1
- Rotary cutting unit for a rotary saw10 Dec 2020US 2020/0384553 A1
- Saw blade quick release mechanism for sawing tool and the sawing tool using the same28 Nov 2019US 2019/0358720 A1K&W Tools Co., Ltd.
Most cited
By later US patents
- Circular cutting device82US 4,044,464 A1977
- Hole cutter for hard materials such as ceramic tile53US 4,147,464 AAmerican Olean Tile Company, Inc. · 1979
- Rotary cutting tool48US 6,120,220 ASpeare Tools, Inc. · 2000
- Tool and method for cutting a circular opening and retaining the cut portion36US 6,206,616 B1Advanced Micro Devices, Inc. · 2001
- Dust collector of ceiling driller36US 6,457,915 B12002