B23B 31/006
Conical shanks of tools
Official title: {Conical shanks of tools}
B23B31/006 (Conical shanks of tools) appears on 132 US grants and 78 published applications in this corpus.
Search patents in B23B- Granted patents
- 132
- Published applications
- 78
- Assignees
- 86
- Inventors
- 173
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 8 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 1 |
| 2003 | 2 | 4 |
| 2004 | 3 | 1 |
| 2005 | 1 | 6 |
| 2006 | 1 | 3 |
| 2007 | 3 | 6 |
| 2008 | 6 | 6 |
| 2009 | 3 | 5 |
| 2010 | 2 | 4 |
| 2011 | 4 | 6 |
| 2012 | 1 | 2 |
| 2013 | 4 | 1 |
| 2014 | 3 | 4 |
| 2015 | 2 | 5 |
| 2016 | 5 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 2 | 4 |
| 2020 | 5 | 3 |
| 2021 | 4 | 5 |
| 2022 | 2 | 0 |
| 2023 | 1 | 6 |
| 2024 | 1 | 1 |
| 2025 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Device for transmitting torque from a drill to a drill bit25 Nov 2025US 12,479,034 B2Hilti Aktiengesellschaft
- Tool holder assembly easy to assemble and disassemble29 Jul 2025US 12,370,609 B1Shin-Yain Industrial Co., Ltd.
- Shaft coupling for machine tools17 Jun 2025US 12,331,775 B2Horiba Europe GmbH
- Device for transmitting torque from a drill to a drill bit6 Aug 2024US 12,053,830 B2Hilti Aktiengesellschaft
- Device for the controlled stabilization of tool holder shanks21 Nov 2023US 11,819,929 B2Algra S.P.A.
- Assembly for machining workpieces17 Oct 2024US 2024/0342810 A1P & L GmbH & Co. KG
- Insert holder having weight-reducing voids and cutting tool15 Jun 2023US 2023/0182212 A1Iscar, Ltd.
- Self-Balancing Tool Holder or Material Removal Machine6 Apr 2023US 2023/0107959 A1
- Device for Transmitting Torque from a Drill to a Drill Bit2 Mar 2023US 2023/0061987 A1Hilti Aktiengesellschaft
- Device for Transmitting Torque from a Drill to a Drill Bit16 Feb 2023US 2023/0047019 A1Hilti Aktiengesellschaft
Most cited
By later US patents
- Tool holder for monitoring tool service time62US 4,890,306 AToyoda Machine Works, Ltd. · 1989
- Tool holder for a cutting machine provided with numerical control53US 4,588,339 AOtto Bilz, Werkzeugfabrik GmbH & Co. · 1986
- Tool holder system and method of use43US 5,582,494 A1996
- Tool holder42US 5,593,258 ANikken Kosakusho Works Ltd. · 1997
- Tool holder41US 4,714,389 AJ. Kuhn GmbH Co. · 1987