B23B 2251/48
Chip breakers
B23B2251/48 (Chip breakers) appears on 107 US grants and 57 published applications in this corpus.
Search patents in B23B- Granted patents
- 107
- Published applications
- 57
- Assignees
- 57
- Inventors
- 171
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 4 |
| 2002 | 4 | 5 |
| 2003 | 2 | 0 |
| 2004 | 1 | 5 |
| 2005 | 2 | 2 |
| 2006 | 5 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 3 |
| 2010 | 1 | 4 |
| 2011 | 0 | 1 |
| 2012 | 2 | 4 |
| 2013 | 1 | 1 |
| 2014 | 4 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 2 | 3 |
| 2018 | 2 | 3 |
| 2019 | 4 | 3 |
| 2020 | 0 | 3 |
| 2021 | 4 | 3 |
| 2022 | 1 | 3 |
| 2023 | 1 | 1 |
| 2024 | 3 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Machining system and cutting insert and methods17 Mar 2026US 12,576,453 B2Allied Machine & Engineering Corp.
- Machining tool21 May 2024US 11,986,892 B2Honda Motor Co., Ltd.
- Deep-hole drill having a plurality of chip-forming devices and recesses in the rake face30 Apr 2024US 11,969,804 B2botek Präzisionsbohrtechnik GmbH
- Drilling tool and method for producing a borehole27 Feb 2024US 11,911,834 B2EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik fur Prazisionswerkzeuge
- Single-lip deep-hole drill with a chamfered rake face7 Feb 2023US 11,571,754 B2botek Praezisionsbohrtechnik GmbH
- Drill head and method for manufacturing such drill head2 May 2024US 2024/0139828 A1
- Chip breaking structure of mini cutting bit26 Oct 2023US 2023/0339028 A1Hao Juen Technology Co., Ltd.
- Machining tool6 Oct 2022US 2022/0314345 A1Honda Motor Co., Ltd.
- Machining system and cutting insert and methods10 Mar 2022US 2022/0072634 A1Allied Machine & Engineering Corp.
- Drilling tool and method for producing a borehole10 Feb 2022US 2022/0040770 A1EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik fur Prazisionswerkzeuge
Most cited
By later US patents
- Drilling tool93US 6,012,881 AKomet Praezisionswerkzeuge Robert Breuning GmbH · 2000
- Rotary end cutting tool85US 5,452,971 A1995
- Drill bit or end mill with grooved flutes73US 5,160,232 AMCA Micro Crystal AG · 1992
- Drilling tool for metallic materials66US 5,474,407 AStellram S.A. · 1995
- Drill bit having a diamond-coated sintered body60US 5,137,398 ASumitomo Electric Industries, Ltd. · 1992