B23B 31/1072
Retention by axially or circumferentially oriented cylindrical elements
Official title: {Retention by axially or circumferentially oriented cylindrical elements (cylindrical elements acting as jaws B23B31/223)}
B23B31/1072 (Retention by axially or circumferentially oriented cylindrical elements) appears on 93 US grants and 51 published applications in this corpus.
Search patents in B23B- Granted patents
- 93
- Published applications
- 51
- Assignees
- 58
- Inventors
- 148
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 3 | 3 |
| 2007 | 0 | 3 |
| 2008 | 3 | 2 |
| 2009 | 0 | 5 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 2 | 2 |
| 2013 | 3 | 1 |
| 2014 | 2 | 2 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 3 |
| 2018 | 4 | 4 |
| 2019 | 2 | 3 |
| 2020 | 1 | 4 |
| 2021 | 4 | 4 |
| 2022 | 2 | 0 |
| 2023 | 2 | 1 |
| 2024 | 2 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Quick change arbor26 May 2026US 12,636,714 B2Guangzhou Innox Tools Co. Ltd
- Device for transmitting torque from a drill to a drill bit6 Aug 2024US 12,053,829 B2Hilti Aktiengesellschaft
- Power tool chuck23 Jan 2024US 11,878,355 B2Black & Decker Inc.
- Subsea processing machine comprising a tool holder with a change hub for receiving rotary tools24 Oct 2023US 11,794,258 B2SchöNing GmbH
- Zero-point clamping device4 Apr 2023US 11,618,115 B2SMW-Autoblok Spannsysteme GmbH
- Structure for disassembling and assembling cutting member, and lawn mower4 Jun 2026US 2026/0150780 A1Kutting Technology (Suzhou) Co., Ltd.
- Hydraulic expansion chuck6 Nov 2025US 2025/0339903 A1Gühring KG
- Quick change arbor3 Jul 2025US 2025/0214156 A1Guangzhou Innox Tools Co. Ltd
- Power tool chuck18 Apr 2024US 2024/0123518 A1Black & Decker Inc.
- Device for Transmitting Torque from a Drill to a Drill Bit2 Mar 2023US 2023/0066196 A1Hilti Aktiengesellschaft
Most cited
By later US patents
- Quick-acting tool bit holder106US 6,053,675 ABlack & Decker Inc. · 2000
- Surgical instrument with rotary cutting member and quick release coupling arrangement94US 7,011,661 B2Medtronic, Inc. · 2006
- Reversible drill/driver tool63US 5,470,180 A1995
- Reversible drill/driver tool62US 5,779,404 A1998
- Quick change tool retention device for power operated mechanism52US 4,588,335 A1986