B23B 2251/04
Angles
Official title: Angles, e.g. cutting angles
B23B2251/04 (Angles) appears on 241 US grants and 313 published applications in this corpus.
Search patents in B23B- Granted patents
- 241
- Published applications
- 313
- Assignees
- 137
- Inventors
- 505
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 1 |
| 2003 | 2 | 11 |
| 2004 | 3 | 8 |
| 2005 | 7 | 12 |
| 2006 | 7 | 17 |
| 2007 | 11 | 7 |
| 2008 | 6 | 9 |
| 2009 | 6 | 13 |
| 2010 | 5 | 16 |
| 2011 | 4 | 7 |
| 2012 | 10 | 18 |
| 2013 | 11 | 8 |
| 2014 | 10 | 14 |
| 2015 | 6 | 13 |
| 2016 | 11 | 14 |
| 2017 | 16 | 7 |
| 2018 | 11 | 16 |
| 2019 | 19 | 19 |
| 2020 | 8 | 17 |
| 2021 | 12 | 24 |
| 2022 | 11 | 13 |
| 2023 | 8 | 11 |
| 2024 | 8 | 18 |
| 2025 | 5 | 5 |
| 2026 | 11 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Drill and method of producing drilled product15 Sep 2026US 12,734,591 B2Subaru Corporation
- Cutting insert, rotary tool, and method for manufacturing machined product8 Sep 2026US 12,728,464 B2KYOCERA Corporation
- Drill8 Sep 2026US 12,728,465 B2Sumitomo Electric Hardmetal Corp.
- Drill and method for manufacturing machined product1 Sep 2026US 12,722,212 B2KYOCERA Corporation
- Micro-reinforced concentric twist drill1 Sep 2026US 12,722,213 B2Shandong Old Roughneck Machinery Technology Co. Ltd
- Step drill bits8 Oct 2026US 2026/0307156 A1
- Drill and method for manufacturing machined product1 Oct 2026US 2026/0295687 A1KYOCERA Corporation
- Drill24 Sep 2026US 2026/0284754 A1Medmetalex Co., Ltd.
- Drill3 Sep 2026US 2026/0257284 A1AB Sandvik Coromant
- Veined tool blank and drill20 Aug 2026US 2026/0241498 A1AB Sandvik Coromant
Most cited
By later US patents
- Damaged bolt and screw removing devices97US 7,171,871 B2Eazypower Corporation · 2007
- Method and apparatus for high speed, high precision drilling and machining59US 4,088,417 AAdvanced Controls, Inc. · 1978
- Precision drill bits49US 6,652,203 B1Credo Technology Corporation · 2003
- Stepped drill bit having split tip48US 6,890,133 B2Irwin Industrial Tool Company · 2005
- Rotary drills and drill bits43US 4,342,368 AKennametal Inc. · 1982