B23B 2251/201
Single cutting edge
B23B2251/201 (Single cutting edge) appears on 38 US grants and 29 published applications in this corpus.
Search patents in B23B- Granted patents
- 38
- Published applications
- 29
- Assignees
- 36
- Inventors
- 78
- Latest grant
- 20 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 3 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 2 |
| 2016 | 2 | 0 |
| 2017 | 2 | 2 |
| 2018 | 0 | 2 |
| 2019 | 2 | 3 |
| 2020 | 1 | 1 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
| 2023 | 2 | 1 |
| 2024 | 1 | 2 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Drill and method for producing a drill20 Aug 2024US 12,064,819 B2Kennametal Inc.
- Drill and method for producing a drill25 Jul 2023US 11,707,791 B2Kennametal Inc.
- Single-lip deep-hole drill with a chamfered rake face7 Feb 2023US 11,571,754 B2botek Praezisionsbohrtechnik GmbH
- Single-edge drill for forming a deep hole5 Jul 2022US 11,376,672 B2Kabushiki Kaisha Goal
- Indexable drilling tool4 May 2021US 10,994,346 B2Tungaloy Corporation
- Single-flute drill for printed wiring boards2 Jul 2026US 2026/0183849 A1Union Tool Co.
- Cutting tool31 Jul 2025US 2025/0242414 A1Tungaloy Corporation
- Single-lip drill with interchangeable guide bars for small bore diameters15 Aug 2024US 2024/0269755 A1botek Praezisionsbohrtechnik GmbH
- Glass fiber reinforced substrate drill and method of forming through holes in glass fiber reinforced substrate21 Mar 2024US 2024/0091866 A1Ibiden Co., Ltd.
- Drill and method for producing a drill13 Jul 2023US 2023/0219147 A1Kennametal Inc.
Most cited
By later US patents
- Coring bit88US 7,189,036 B1Forest City Tool, Inc. · 2007
- Drill bit52US 5,947,659 A1999
- Single flute drill for drilling holes in printed circuit boards and method of drilling holes in a printed circuit board43US 5,584,617 AInternational Business Machines Corporation · 1996
- Drill bit26US 4,293,252 AMapal Fabrik fur Prazisionswerkzeuge · 1981
- Drill24US 7,018,144 B2Mitsubishi Materials Corporation · 2006