B23Q 5/326
Screw-operated
Official title: {screw-operated}
B23Q5/326 (Screw-operated) appears on 123 US grants and 89 published applications in this corpus.
Search patents in B23Q- Granted patents
- 123
- Published applications
- 89
- Assignees
- 72
- Inventors
- 160
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 2 | 2 |
| 2006 | 3 | 4 |
| 2007 | 1 | 1 |
| 2008 | 0 | 5 |
| 2009 | 2 | 9 |
| 2010 | 1 | 4 |
| 2011 | 4 | 3 |
| 2012 | 4 | 1 |
| 2013 | 8 | 3 |
| 2014 | 2 | 9 |
| 2015 | 4 | 7 |
| 2016 | 6 | 10 |
| 2017 | 13 | 8 |
| 2018 | 4 | 3 |
| 2019 | 8 | 4 |
| 2020 | 5 | 3 |
| 2021 | 1 | 6 |
| 2022 | 6 | 1 |
| 2023 | 3 | 3 |
| 2024 | 2 | 0 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Spindle automatic feed mechanism of drilling machine with self-adaptive electromechanical transmission23 Jun 2026US 12,661,720 B2Jiangsu Yishou Machinery Technology Co., Ltd.
- Railroad track rail drill19 Aug 2025US 12,390,864 B2Epiroc Industrial Tools and Attachment LLC
- Electrospindle with integrated feed with automatic tool holder change3 Jun 2025US 12,318,848 B2Centre Technique des Industries Mecaniques
- Drilling machine31 Dec 2024US 12,179,275 B2Sugino Machine Limited
- Orbital drilling device30 Jan 2024US 11,883,890 B2Advanced Electrical Tools
- Spindle automatic feed mechanism of drilling machine with self-adaptive electromenchanical transmission1 May 2025US 2025/0135558 A1Jiangsu Yishou Machinery Technology Co., Ltd.
- Machine tool and method for machining workpieces27 Jul 2023US 2023/0234177 A1Hugo Reckerth GmbH
- Railroad Track Rail Drill6 Jul 2023US 2023/0211423 A1Stanley Black & Decker, Inc.
- Electrospindle with integrated feed with automatic tool holder change9 Feb 2023US 2023/0044987 A1Centre Technique des Industries Mecaniques
- Drilling machine28 Apr 2022US 2022/0126373 A1Sugino Machine Limited
Most cited
By later US patents
- Power drill and automatic control system therefore82US 4,688,970 ADresser Industries, Inc. · 1987
- Spindle driver for machine tools60US 4,934,040 A1990
- Method and apparatus for a spindle with servo feed control45US 8,167,518 B2The Boeing Company · 2012
- Tool driving unit34US 5,100,271 ABrother Kogyo Kabushiki Kaisha · 1992
- Rapid feed apparatus for automatic feed drills or the like29US 4,591,299 ADresser Industries, Inc. · 1986