B23B 2231/0224
Rounded triangular
B23B2231/0224 (Rounded triangular) appears on 18 US grants and 20 published applications in this corpus.
Search patents in B23B- Granted patents
- 18
- Published applications
- 20
- Assignees
- 12
- Inventors
- 23
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 2 |
| 2017 | 2 | 3 |
| 2018 | 4 | 3 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Chuck assembly for a rotary power tool2 Dec 2025US 12,485,493 B2Milwaukee Electric Tool Corporation
- Chuck assembly for a rotary power tool10 Aug 2021US 11,084,105 B2Milwaukee Electric Tool Corporation
- Tool clamping system2 Mar 2021US 10,933,475 B2Broetje-Automation GmbH
- Cutting tool assembly16 Jun 2020US 10,682,710 B2
- Cutter fastening assembly and cutter holder for the same4 Sep 2018US 10,065,247 B2
- Chuck assembly for a rotary power tool24 Jul 2025US 2025/0235934 A1Milwaukee Electric Tool Corporation
- Drilling device, in particular suction drilling device, for drilling a drill hole26 Sep 2024US 2024/0316654 A1
- Chuck assembly for a rotary power tool28 Oct 2021US 2021/0331255 A1Milwaukee Electric Tool Corporation
- Chuck assembly for a rotary power tool18 Apr 2019US 2019/0111555 A1Milwaukee Electric Tool Corporation
- Drill Chuck Assembly15 Nov 2018US 2018/0326506 A1
Most cited
By later US patents
- Irregular-shank tools and drivers therefor31US 7,766,585 B2Team Fair Holdings Limited · 2010
- Irregular-shank tools and drivers therefor16US 8,016,523 B2Team Fair Holdings Limited · 2011
- Combination hole saw arbor14US 3,999,869 AStanadyne, Inc. · 1976
- Drill bit for hand drills13US 4,840,519 AGebruder Heller GmbH, Werkzeugfabrik · 1989
- Tool holder for drilling machines, drilling device as well as drills and set of drills10US 4,702,651 AGebruder Heller GmbH, Werkzeugfabrik · 1987