B23B 31/003
Work or tool ejection means
Official title: {Work or tool ejection means}
B23B31/003 (Work or tool ejection means) appears on 26 US grants and 30 published applications in this corpus.
Search patents in B23B- Granted patents
- 26
- Published applications
- 30
- Assignees
- 24
- Inventors
- 67
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 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 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 2 |
| 2014 | 2 | 0 |
| 2015 | 0 | 4 |
| 2016 | 1 | 0 |
| 2017 | 1 | 3 |
| 2018 | 1 | 2 |
| 2019 | 5 | 3 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 3 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Core drill6 Jan 2026US 12,515,259 B2Milwaukee Electric Tool Corporation
- Tool connector18 Nov 2025US 12,472,567 B1
- Modular drill with enhanced bump-off capability30 Jan 2024US 11,883,888 B2Kennametal Inc.
- Tool or workpiece holder8 Aug 2023US 11,717,941 B2Ott-Jakob Spanntechnik GmbH
- Self-securing coupling device and method9 Mar 2021US 10,940,540 B2KARL STORZ GmbH&Co.KG
- Chuck4 Jun 2026US 2026/0151880 A1
- Device for handling a clamping ram7 May 2026US 2026/0124684 A1Adelbert Haas GmbH
- Device for handling a clamping ram16 Oct 2025US 2025/0319524 A1Adelbert Haas GmbH
- Modular drill with enhanced bump-off capability8 Feb 2024US 2024/0042530 A1Kennametal Inc.
- Modular drill with enhanced bump-off capability29 Dec 2022US 2022/0410285 A1Kennametal Inc.
Most cited
By later US patents
- Toolholder and cutting insert for a toolholder assembly46US 7,325,471 B2Kennametal Inc. · 2008
- Self-locking chuck29US 4,122,755 AEx-Cell-O Corporation · 1978
- Tool connecting rod14US 8,864,144 B2Chung Taan Industrial Co., Ltd. · 2014
- Jig for use in machining stylus blanks12US 4,466,555 ARCA Corporation · 1984
- Connecting rod assembly for connecting a work head12US 8,876,120 B22014