B23B 2251/122
Bevelled cutting edges
B23B2251/122 (Bevelled cutting edges) appears on 20 US grants and 23 published applications in this corpus.
Search patents in B23B- Granted patents
- 20
- Published applications
- 23
- Assignees
- 17
- Inventors
- 48
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 3 |
| 2019 | 1 | 1 |
| 2020 | 2 | 2 |
| 2021 | 2 | 4 |
| 2022 | 2 | 2 |
| 2023 | 2 | 2 |
| 2024 | 1 | 3 |
| 2025 | 0 | 2 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Drill and cutting method21 Apr 2026US 12,605,773 B2Sumitomo Electric Hardmetal Corp.
- Drill17 Mar 2026US 12,576,452 B2Mitsubishi Materials Corporation
- Method for producing a cutting tool24 Feb 2026US 12,559,844 B2Rollomatic S.A.
- Drill and method for producing a drill20 Aug 2024US 12,064,819 B2Kennametal Inc.
- Indexable drill insert8 Aug 2023US 11,717,894 B2Kennametal India Limited
- Rotary cutting tool, such as a drill or a reamer17 Jul 2025US 2025/0229345 A1Desgranges Outils Coupants
- Method for producing a cutting tool1 May 2025US 2025/0137137 A1Rollomatic S.A.
- Drill and cutting method19 Sep 2024US 2024/0307979 A1Sumitomo Electric Hardmetal Corp.
- Drill and method of producing drilled product1 Aug 2024US 2024/0253132 A1Subaru Corporation
- Drilling tool30 May 2024US 2024/0173779 A1Tungaloy Corporation
Most cited
By later US patents
- All-ceramic drill bit100US 5,641,251 ACerasiv GmbH Innovatives Keramik-Engineering · 1997
- Surface decarburization of a drill bit51US 5,609,447 ARogers Tool Works, Inc. · 1997
- Surface decarburization of a drill bit having a refined primary cutting edge36US 5,628,837 ARogers Tool Works, Inc. · 1997
- Core drill bit10US 10,723,041 B2Saint-Gobain Abrasives, Inc./Saint-Gobain Abrasifs · 2020
- Drill5US 10,155,269 B2Sumitomo Electric Hardmetal Corp. · 2018