B23Q 5/048
Speed-changing devices
Official title: {Speed-changing devices}
B23Q5/048 (Speed-changing devices) appears on 51 US grants and 29 published applications in this corpus.
Search patents in B23Q- Granted patents
- 51
- Published applications
- 29
- Assignees
- 38
- Inventors
- 77
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 2 | 3 |
| 2004 | 3 | 3 |
| 2005 | 2 | 1 |
| 2006 | 3 | 2 |
| 2007 | 0 | 2 |
| 2008 | 2 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 3 |
| 2014 | 1 | 0 |
| 2015 | 1 | 2 |
| 2016 | 2 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Tool system26 Aug 2025US 12,397,354 B2Ceratizit Austria Gesellschaft m. b. H.
- Device for the automatic connection of a high speed spindle to a numerically controlled machine27 May 2025US 12,311,488 B2Sales S.p.A.
- Electric spindle for numerical control machines5 Sep 2017US 9,751,170 B2Fcs System Srl
- Belt tensioner for drill press11 Jul 2017US 9,700,979 B2JPW Industries Inc.
- Device and method for rotational speed increasing for machining process5 Jul 2016US 9,381,606 B2Gal Way Ltd.
- Device for the automatic connection of a high speed spindle to a numerically controlled machine1 Jun 2023US 2023/0166372 A1Sales S.p.A.
- Tool system19 Jan 2023US 2023/0015428 A1Ceratizit Austria Gesellschaft m. b. H.
- Tool coupling device with transmission unit and method for producing a thread or a threaded hole25 Aug 2022US 2022/0266365 A1EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik fur Prazisionswerkzeuge
- Gear Shifting Structure of Power Equipment and Electrically-Driven Tool Comprising Same29 Jul 2021US 2021/0229230 A1Hosan Technologies Co., Ltd.
- High speed spindle26 Oct 2017US 2017/0304974 A1
Most cited
By later US patents
- Drill attachment for a surgical drill503US 5,993,454 AStryker Corporation · 1999
- Drill speeder for machine tools31US 4,077,736 AKearney & Trecker Corporation · 1978
- Planetary gear transmission system28US 5,711,739 AMatsushita Electric Works, Ltd. · 1998
- Advanced tool systems24US 6,832,531 B12004
- High-speed driving adapter for boring, milling and similar machine tools23US 4,620,824 AWerkzeugmaschinenfabrik Adolf Waldrich Coburg GmbH & Co. · 1986