B23Q 5/16
Infinitely-variable
Official title: infinitely-variable
B23Q5/16 (Infinitely-variable) appears on 20 US grants and 12 published applications in this corpus.
Search patents in B23Q- Granted patents
- 20
- Published applications
- 12
- Assignees
- 11
- Inventors
- 36
- Latest grant
- 15 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 2 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Dual speed rotary tool15 Nov 2022US 11,498,172 B2Air Turbine Technologies, Inc.
- Woodworking lathe control system26 May 2020US 10,661,469 B2Rikon Power Tools, Inc.
- Feed axis device of a machine tool9 Apr 2019US 10,252,388 B2Makino Milling Machine Co., Ltd.
- DC-motor21 Aug 2018US 10,052,730 B2
- Rotary spindle head with gear reducer5 Aug 2014US 8,794,883 B2Industrial Technology Research Institute
- Power tool with a specific output current16 Jan 2025US 2025/0018530 A1Hilti Aktiengesellschaft
- Dual speed rotary tool17 Dec 2020US 2020/0392858 A1First Eastern Equities, Inc.
- Lathe control system21 May 2020US 2020/0156281 A1Rikon Power Tools, Inc.
- Dc-motor8 Mar 2018US 2018/0065221 A1
- Woodworking lathe control system30 Nov 2017US 2017/0341260 A1Rikon Power Tools, Inc.
Most cited
By later US patents
- Variable-speed, multiple-drive power tool25US 5,954,144 AIntool Incorporated · 1999
- Stepless speed change bench drill17US 6,779,952 B22004
- Drilling machine11US 5,061,124 A1991
- Method for controlling cutting machines9US 4,700,597 AAmada Company, Limited · 1987
- Wood lathe with sliding, horizontally-rotatable headstock and variable speed drive9US 5,186,088 ADelta International Machinery Corp. · 1993