B23B 2251/202
Three cutting edges
B23B2251/202 (Three cutting edges) appears on 56 US grants and 49 published applications in this corpus.
Search patents in B23B- Granted patents
- 56
- Published applications
- 49
- Assignees
- 38
- Inventors
- 116
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 3 | 3 |
| 2005 | 0 | 1 |
| 2006 | 2 | 2 |
| 2007 | 0 | 1 |
| 2008 | 2 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 4 |
| 2012 | 1 | 3 |
| 2013 | 2 | 2 |
| 2014 | 3 | 0 |
| 2015 | 1 | 2 |
| 2016 | 2 | 3 |
| 2017 | 4 | 0 |
| 2018 | 1 | 2 |
| 2019 | 2 | 4 |
| 2020 | 1 | 4 |
| 2021 | 6 | 4 |
| 2022 | 1 | 1 |
| 2023 | 0 | 3 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cutting insert, rotary tool, and method for manufacturing machined product8 Sep 2026US 12,728,464 B2KYOCERA Corporation
- Drill and method for manufacturing machined product1 Sep 2026US 12,722,212 B2KYOCERA Corporation
- Cutting head having tip portion with radially extending front cutting edges provided with both negative and positive rake angles, and rotary cutting tool17 Jun 2025US 12,330,224 B2Iscar, Ltd.
- Rotatable cutting head having tip portion with three radially extending cutting edges forming a rectilinear rotational profile9 Apr 2024US 11,951,553 B2Iscar, Ltd.
- Drill9 Jan 2024US 11,865,626 B2Osg Corporation
- Drill and method for manufacturing machined product1 Oct 2026US 2026/0295687 A1KYOCERA Corporation
- Masonry drill head7 May 2026US 2026/0124787 A1Ceratizit Hard Material Solutions S.A R.L.
- Drill, and method for producing a drill17 Jul 2025US 2025/0229342 A1
- Drill14 Nov 2024US 2024/0375191 A1Osg Corporation
- Cutting insert, rotary tool, and method for manufacturing machined product16 Nov 2023US 2023/0364684 A1KYOCERA Corporation
Most cited
By later US patents
- Surgical drill114US 4,830,000 AAspen Laboratories, Inc. · 1989
- Drill bit, hard member, and bit body72US 6,595,305 B1Kennametal Inc. · 2003
- Drill bit52US 5,947,659 A1999
- Drill for the insertion of a dental implant45US 5,839,897 A1998
- Drilling and/or chiseling tool35US 6,089,337 AHilti Aktiengesellschaft · 2000