B23B 51/109
Counterboring tools
Official title: {Counterboring tools (B23B51/102 takes precedence)}
B23B51/109 (Counterboring tools) appears on 31 US grants and 9 published applications in this corpus.
Search patents in B23B- Granted patents
- 31
- Published applications
- 9
- Assignees
- 18
- Inventors
- 55
- Latest grant
- 28 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 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 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Debris ejection techniques for drilling tools28 Jan 2025US 12,208,454 B2Phillips Screw Company
- Machining tool21 May 2024US 11,986,892 B2Honda Motor Co., Ltd.
- Debris ejection techniques for drilling tools3 Oct 2023US 11,772,172 B2Phillips Screw Company
- Machining tool7 Sep 2021US 11,110,523 B2Komet Group GmbH
- Self-aligning counter bore cutting tool and method of operation17 Nov 2020US 10,835,969 B1
- Debris ejection techniques for drilling tools4 Jan 2024US 2024/0001457 A1Phillips Screw Company
- Machining tool6 Oct 2022US 2022/0314345 A1Honda Motor Co., Ltd.
- Debris ejection techniques for drilling tools31 Mar 2022US 2022/0097149 A1Phillips Screw Company
- Combination drill, mill, and boring tool13 Aug 2020US 2020/0254534 A1Kyocera Sgs Precision Tools, Inc.
- Machining tool15 Aug 2019US 2019/0247935 A1Komet Group GmbH
Most cited
By later US patents
- High performance cutting tools64US 5,570,978 A1996
- Combination drill and screwdriver50US 4,092,753 A1978
- Port cutting tool with multiple function inserts43US 5,816,753 AGreenfield Industries, Inc. · 1998
- Multiple function inserts for port cutting tool26US 5,957,633 AGreenfield Industries, Inc. · 1999
- Method and apparatus for cutting23US 4,830,548 A1989