B23Q 5/04
Rotary shafts
Official title: rotary shafts, e.g. working-spindles
B23Q5/04 (Rotary shafts) appears on 811 US grants and 598 published applications in this corpus.
Search patents in B23Q- Granted patents
- 811
- Published applications
- 598
- Assignees
- 463
- Inventors
- 1,572
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 11 | 0 |
| 1978 | 11 | 0 |
| 1979 | 5 | 0 |
| 1980 | 11 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 8 | 0 |
| 1984 | 10 | 0 |
| 1985 | 6 | 0 |
| 1986 | 16 | 0 |
| 1987 | 20 | 0 |
| 1988 | 22 | 0 |
| 1989 | 14 | 0 |
| 1990 | 11 | 0 |
| 1991 | 24 | 0 |
| 1992 | 16 | 0 |
| 1993 | 10 | 0 |
| 1994 | 16 | 0 |
| 1995 | 9 | 0 |
| 1996 | 13 | 0 |
| 1997 | 19 | 0 |
| 1998 | 19 | 0 |
| 1999 | 14 | 0 |
| 2000 | 11 | 0 |
| 2001 | 23 | 8 |
| 2002 | 22 | 24 |
| 2003 | 13 | 24 |
| 2004 | 24 | 22 |
| 2005 | 17 | 17 |
| 2006 | 16 | 11 |
| 2007 | 15 | 14 |
| 2008 | 14 | 24 |
| 2009 | 13 | 18 |
| 2010 | 4 | 21 |
| 2011 | 17 | 17 |
| 2012 | 6 | 20 |
| 2013 | 12 | 19 |
| 2014 | 15 | 26 |
| 2015 | 19 | 39 |
| 2016 | 25 | 31 |
| 2017 | 25 | 31 |
| 2018 | 27 | 34 |
| 2019 | 39 | 42 |
| 2020 | 26 | 33 |
| 2021 | 20 | 30 |
| 2022 | 24 | 19 |
| 2023 | 20 | 26 |
| 2024 | 15 | 20 |
| 2025 | 22 | 20 |
| 2026 | 13 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B23Q 5/043Accessories for spindle drives303
- B23Q 5/10Driven essentially by electrical means192
- B23Q 5/12Mechanical drives with means for varying the speed ratio101
- B23Q 5/06Driven essentially by fluid pressure or pneumatic power89
- B23Q 5/20Adjusting or stopping working-spindles in a predetermined position58
- B23Q 5/041Spindle-reversing devices5
Recent patents
- Spindle turning device6 Oct 2026US 12,753,825 B2Okuma Corporation
- Power tool having multiple operating modes22 Sep 2026US 12,741,362 B2Black & Decker Inc.
- Spindle for a machine tool15 Sep 2026US 12,734,627 B2GF Machining Solutions AG
- Machine tool18 Aug 2026US 12,708,974 B2Etxe-Tar, S.A.
- Mobile device for machining a workpiece4 Aug 2026US 12,697,695 B2Dbm Mobile Feinstbearbeitung GmbH
- Machine tool8 Oct 2026US 2026/0307196 A1Etxe-Tar, S.A.
- Rotary tool device and machine tool27 Aug 2026US 2026/0249412 A1Citizen Machinery Co., Ltd.
- Multiaxial machine tool with a movable column13 Aug 2026US 2026/0233350 A1
- Ultrasonic air bearing spindle device13 Aug 2026US 2026/0233351 A1RPS Corporation
- Power tool with electronic spindle positioning25 Jun 2026US 2026/0175395 A1Robert Bosch GmbH
Most cited
By later US patents
- Electric hand tool, in particular drill1,539US 5,533,581 ARobert Bosch GmbH · 1996
- Tool drive system1,343US 6,923,093 B22005
- Remote controlled device for tool rotating1,123US 7,300,431 B22007
- Drill attachment for a surgical drill503US 5,993,454 AStryker Corporation · 1999
- Flexible medullary reamer310US 4,751,922 A1988