B23B 31/117
Retention by friction only
Official title: Retention by friction only, e.g. using springs, resilient sleeves, tapers
B23B31/117 (Retention by friction only) appears on 298 US grants and 273 published applications in this corpus.
Search patents in B23B- Granted patents
- 298
- Published applications
- 273
- Assignees
- 171
- Inventors
- 433
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 10 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 5 |
| 2002 | 5 | 9 |
| 2003 | 5 | 8 |
| 2004 | 12 | 11 |
| 2005 | 11 | 12 |
| 2006 | 12 | 11 |
| 2007 | 8 | 12 |
| 2008 | 8 | 9 |
| 2009 | 4 | 12 |
| 2010 | 3 | 5 |
| 2011 | 8 | 12 |
| 2012 | 7 | 10 |
| 2013 | 6 | 9 |
| 2014 | 9 | 12 |
| 2015 | 9 | 17 |
| 2016 | 7 | 16 |
| 2017 | 12 | 10 |
| 2018 | 15 | 12 |
| 2019 | 14 | 13 |
| 2020 | 10 | 8 |
| 2021 | 16 | 12 |
| 2022 | 10 | 11 |
| 2023 | 8 | 10 |
| 2024 | 4 | 13 |
| 2025 | 8 | 11 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Grinding tool for grinding buttons on a rock drill bit2 Jun 2026US 12,643,158 B2C.M.E. Blasting & Mining Equipment Ltd.
- Replaceable cutting head, tool holder and morse taper rotary cutting tool having fastening member26 May 2026US 12,636,712 B2Iscar, Ltd.
- Modular hydraulic chuck26 May 2026US 12,636,713 B2Kennametal Inc.
- Apparatus for cooling and/or drying a shrink chuck and method for cooling and/or drying a tool holder, in particular a shrink chuck31 Mar 2026US 12,589,438 B2Haimer GmbH
- Shrink fitting system10 Feb 2026US 12,544,866 B2Konica Minolta, Inc.
- Shrink Fitting System21 May 2026US 2026/0138220 A1Konica Minolta, Inc.
- Method and device for shrink-fitting and removing tool shanks in and from the sleeve section of a tool holder in a manner protected against overheating2 Apr 2026US 2026/0091434 A1Haimer GmbH
- Length-adjustment device for adjusting a longitudinal position of a tool, tool clamping apparatus, and system and method having the length-adjustment device1 Jan 2026US 2026/0001145 A1E. Zoller GmbH & Co. KG Einstell- und Messgeraete
- Spindle device, machine tool having spindle device mounted thereon, and balancing machine25 Sep 2025US 2025/0296155 A1
- Tool Holder11 Sep 2025US 2025/0282012 A1Techniks, LLC
Most cited
By later US patents
- Positive-engaging coupling for a portable handheld tool135US 5,152,631 A1992
- Glass article handling chuck97US 4,168,073 AOwens-Illinois, Inc. · 1979
- Tool holder system and method of making96US 5,311,654 A1994
- Mandrel with flared, dish shaped disk and process for using mandrel52US 5,324,049 AXerox Corporation · 1994
- Tool holder system and method of use43US 5,582,494 A1996