B23Q 5/46
With variable speed ratio
Official title: with variable speed ratio
B23Q5/46 (With variable speed ratio) appears on 7 US grants and 3 published applications in this corpus.
Search patents in B23Q- Granted patents
- 7
- Published applications
- 3
- Assignees
- 9
- Inventors
- 19
- Latest grant
- 28 Jul 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 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 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Drilling unit with automatic drill shaft feeding, and method and means thereto28 Jul 2015US 9,089,939 B2Atlas Copco Industrial Technique Aktiebolag
- Transmission mechanism of drilling/milling tool12 Oct 2004US 6,802,234 B2Lee Yeong Industrial Co., Ltd.
- Reciprocating tool holder assembly17 Feb 1998US 5,718,154 ABausch & Lomb Incorporated
- Handwheel actuated machine tool mechanism22 Apr 1986US 4,583,420 A
- Interchangeable valve system for hydraulic reversal of positive feed drill6 Dec 1983US 4,418,767 AP. V. Tool, Inc.
- Conveniently Operated Electronic Lathe26 Oct 2023US 2023/0339057 A1Shandong Shansen Numerical Control Technology Co, Ltd
- Drilling unit with automatic drill shaft feeding, and method and means thereto29 Sep 2011US 2011/0236144 A1Atlas Copco Tools AB
- Transmission mechanism of drilling/milling tool1 Apr 2004US 2004/0060386 A1Lee Yeong Industrial Co., Ltd.
Most cited
By later US patents
- Reciprocating tool holder assembly20US 5,718,154 ABausch & Lomb Incorporated · 1998
- Interchangeable valve system for hydraulic reversal of positive feed drill17US 4,418,767 AP. V. Tool, Inc. · 1983
- Z-axis drive assembly10US 3,975,109 AHoudaille Industries, Inc. · 1976
- Handwheel actuated machine tool mechanism9US 4,583,420 A1986
- Machine tool with pulsating cutting force8US 4,261,675 AKearney & Trecker Corporation · 1981