B23B 51/0095
Spade drills
Official title: {Spade drills (B23B51/00035 takes precedence)}
B23B51/0095 (Spade drills) appears on 5 US grants and 4 published applications in this corpus.
Search patents in B23B- Granted patents
- 5
- Published applications
- 4
- Assignees
- 4
- Inventors
- 13
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 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 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Spade drill bits2 Dec 2025US 12,485,494 B2Black & Decker Inc.
- Flat drill bit2 May 2023US 11,638,960 B2Bosch Power Tools (China) Co., Ltd.
- Spade drill with replaceable cutting-insert carrier10 Feb 1987US 4,642,001 A
- Non-burring drill for composite materials6 Nov 1984US 4,480,952 A
- Tapered hole cutter16 Jan 1979US 4,134,704 ADeutsch Fastener Corp.
Most cited
By later US patents
- Non-burring drill for composite materials21US 4,480,952 A1984
- Spade drill with replaceable cutting-insert carrier16US 4,642,001 A1987
- Tapered hole cutter10US 4,134,704 ADeutsch Fastener Corp. · 1979
- Flat drill bit2US 11,638,960 B2Bosch Power Tools (China) Co., Ltd. · 2023
- Spade drill bits1US 12,485,494 B2Black & Decker Inc. · 2025