B23B 2251/08
Side or plan views of cutting edges
B23B2251/08 (Side or plan views of cutting edges) appears on 113 US grants and 155 published applications in this corpus.
Search patents in B23B- Granted patents
- 113
- Published applications
- 155
- Assignees
- 81
- Inventors
- 239
- 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 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 3 |
| 2004 | 2 | 3 |
| 2005 | 3 | 3 |
| 2006 | 3 | 6 |
| 2007 | 4 | 2 |
| 2008 | 2 | 2 |
| 2009 | 0 | 3 |
| 2010 | 1 | 7 |
| 2011 | 3 | 7 |
| 2012 | 2 | 8 |
| 2013 | 3 | 2 |
| 2014 | 8 | 7 |
| 2015 | 7 | 6 |
| 2016 | 5 | 8 |
| 2017 | 7 | 10 |
| 2018 | 6 | 10 |
| 2019 | 9 | 9 |
| 2020 | 6 | 9 |
| 2021 | 7 | 11 |
| 2022 | 8 | 9 |
| 2023 | 2 | 8 |
| 2024 | 8 | 11 |
| 2025 | 5 | 6 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cutting insert, rotary tool, and method for manufacturing machined product8 Sep 2026US 12,728,464 B2KYOCERA Corporation
- Multi-step drill with asymmetric step profiles1 Sep 2026US 12,722,211 B2
- Micro-reinforced concentric twist drill1 Sep 2026US 12,722,213 B2Shandong Old Roughneck Machinery Technology Co. Ltd
- Drill17 Mar 2026US 12,576,452 B2Mitsubishi Materials Corporation
- Drill20 Jan 2026US 12,528,128 B2Sumitomo Electric Hardmetal Corp.
- Drill30 Jul 2026US 2026/0216797 A1Mitsubishi Materials Corporation
- Multi-step drill with asymmetric step profiles12 Mar 2026US 2026/0070132 A1
- Cutting element with non-planar interface design and tools incorporating such elements22 Jan 2026US 2026/0022613 A1Schlumberger Technology Corporation
- Twist drill with long life and easy cutting1 Jan 2026US 2026/0001147 A1Danyang Jianlu Tools Co., Ltd.
- Flat drill27 Nov 2025US 2025/0360572 A1Gühring KG
Most cited
By later US patents
- Damaged bolt and screw removing devices97US 7,171,871 B2Eazypower Corporation · 2007
- Rotary end cutting tool85US 5,452,971 A1995
- Rotary drill bit for hand-held power drills52US 4,189,266 A1980
- Cutting tool47US 6,213,692 B1Vilab AG · 2001
- Drill bit for drilling rock43US 6,702,047 B2Ceratizit Austria Gesellschaft m. b. H. · 2004