B23B 2251/603
Detachable pilots
Official title: Detachable pilots, e.g. in the form of a drill
B23B2251/603 (Detachable pilots) appears on 44 US grants and 45 published applications in this corpus.
Search patents in B23B- Granted patents
- 44
- Published applications
- 45
- Assignees
- 22
- Inventors
- 70
- Latest grant
- 23 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 2 |
| 2008 | 0 | 4 |
| 2009 | 6 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 2 | 3 |
| 2013 | 1 | 3 |
| 2014 | 2 | 1 |
| 2015 | 1 | 3 |
| 2016 | 3 | 4 |
| 2017 | 2 | 4 |
| 2018 | 4 | 3 |
| 2019 | 3 | 4 |
| 2020 | 4 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hole saw arbor23 Apr 2024US 11,964,332 B2
- Hole saw with hole enlargement guide and support piece detachable therefrom28 Nov 2023US 11,826,837 B2
- Drilling tool assembly including a step drill bit27 Sep 2022US 11,453,069 B2Milwaukee Electric Tool Corporation
- Pilot pin for drill press7 Sep 2021US 11,110,522 B2Milwaukee Electric Tool Corporation
- Cutting device having a pin engaging ramp15 Sep 2020US 10,773,315 B2Greenlee Tools, Inc.
- Holesaw assembly12 Mar 2026US 2026/0070133 A1Black & Decker Inc.
- Holesaw assembly19 Jun 2025US 2025/0196233 A1Black & Decker Inc.
- Hole saw with hole enlargement guide and support piece detachable therefrom28 Apr 2022US 2022/0126380 A1
- Drilling tool assembly including a step drill bit1 Jul 2021US 2021/0197295 A1Milwaukee Electric Tool Corporation
- Hole saw arbor27 May 2021US 2021/0154750 A1
Most cited
By later US patents
- Tool support and drilling tool79US 4,340,327 AGulf & Western Manufacturing Company · 1982
- Hole saw having a drill bit with a pilot tip45US 7,556,459 B2Black & Decker Inc. · 2009
- Hole saw boss45US 7,850,405 B22010
- Twist drill with a pilot tip38US 7,520,703 B2Black & Decker Inc. · 2009
- Adjustable hole cutters36US 8,840,344 B22014