B23B 2231/02
Features of shanks of tools not relating to the operation performed by
Official title: Features of shanks of tools not relating to the operation performed by the tool
B23B2231/02 (Features of shanks of tools not relating to the operation performed by) appears on 318 US grants and 311 published applications in this corpus.
Search patents in B23B- Granted patents
- 318
- Published applications
- 311
- Assignees
- 163
- Inventors
- 521
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 8 |
| 2002 | 6 | 8 |
| 2003 | 5 | 3 |
| 2004 | 0 | 6 |
| 2005 | 1 | 6 |
| 2006 | 8 | 7 |
| 2007 | 6 | 10 |
| 2008 | 5 | 9 |
| 2009 | 5 | 12 |
| 2010 | 4 | 9 |
| 2011 | 9 | 8 |
| 2012 | 7 | 15 |
| 2013 | 6 | 11 |
| 2014 | 9 | 21 |
| 2015 | 10 | 25 |
| 2016 | 17 | 14 |
| 2017 | 17 | 13 |
| 2018 | 21 | 16 |
| 2019 | 7 | 19 |
| 2020 | 15 | 12 |
| 2021 | 18 | 14 |
| 2022 | 8 | 20 |
| 2023 | 9 | 17 |
| 2024 | 15 | 13 |
| 2025 | 7 | 9 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B23B 2231/026GroovesIndexing code106
- B23B 2231/0216Overall cross sectional shape of the shankIndexing code90
- B23B 2231/0204Connection of shanks to working elements of toolsIndexing code86
- B23B 2231/0256FlatsIndexing code41
- B23B 2231/0296Ends of conical shanksIndexing code22
- B23B 2231/028LugsIndexing code17
- B23B 2231/0208BoresIndexing code16
- B23B 2231/0292Flanges of conical shanksIndexing code14
All 14 subgroupsShow fewer
- B23B 2231/0284NotchesIndexing code12
- B23B 2231/0252Shanks having a section of reduced diameterIndexing code10
- B23B 2231/0288Conical shanks of tools in which the cone is not formed asIndexing code9
- B23B 2231/0248Codes for diametersIndexing code7
- B23B 2231/0276KeywaysIndexing code4
- B23B 2231/0212Shanks of tools having a reduced cross section at a position whereIndexing code2
Recent patents
- Pull stud bolt installation and removal tool and tubular body manufacturing method thereof11 Aug 2026US 12,703,071 B2Protoeng Co., Ltd.
- Clamping shank for a tool and tool comprising the clamping shank16 Jun 2026US 12,654,233 B2
- Cutting head having rotationally asymmetric coupling pin, tool shank and cutting tool9 Jun 2026US 12,649,188 B2Iscar, Ltd.
- Tool head in head replaceable cutting tool2 Jun 2026US 12,643,155 B2Tungaloy Corporation
- Cutting tool7 Apr 2026US 12,594,608 B2Sumitomo Electric Industries, Ltd.
- Shank member for exchangeable-head cutting tool, and cutting tool6 Aug 2026US 2026/0225163 A1Tungaloy Corporation
- Surgical handpiece and cooperating rotary tool11 Jun 2026US 2026/0157761 A1Emd Kft.
- Modular cutting tool16 Apr 2026US 2026/0102824 A1Gühring KG
- Stress-reducing, torque transmission design for modular drills9 Apr 2026US 2026/0097437 A1Kennametal Inc.
- Cutting unit, cutting tool, cutting tool rest, and method for manufacturing cut article5 Mar 2026US 2026/0061499 A1KYOCERA Corporation
Most cited
By later US patents
- Surgical reamer213US 5,190,548 ALinvatec Corporation · 1993
- Sintered and forged article, and method of forming same145US 4,484,644 AIngersoll-Rand Company · 1984
- Color coded tools118US 4,982,627 A1991
- Non-metallic body cutting tools111US 5,865,571 ANorton Company · 1999
- Surgical instrument with rotary cutting member and quick release coupling arrangement94US 7,011,661 B2Medtronic, Inc. · 2006