B23B 5/38
For turning conical surfaces inside or outside
Official title: for turning conical surfaces inside or outside, e.g. taper pins {(for turning valves or valve bodies B23B5/06)}
B23B5/38 (For turning conical surfaces inside or outside) appears on 14 US grants and 10 published applications in this corpus.
Search patents in B23B- Granted patents
- 14
- Published applications
- 10
- Assignees
- 12
- Inventors
- 24
- Latest grant
- 30 Mar 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 2 | 3 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for manufacturing machine component, apparatus for manufacturing machine component, method for machining rotation symmetry plane, recording medium, and program30 Mar 2021US 10,960,471 B2Sumitomo Electric Hardmetal Corp.
- Method for manufacturing machine component, apparatus for manufacturing machine component, method for machining rotation symmetry plane, recording medium, and program9 Jul 2019US 10,343,220 B2Sumitomo Electric Hardmetal Corp.
- Machine tool and cutting method26 Jun 2018US 10,005,130 B2Murata Machinery, Ltd.
- Cutting method for inner circumferential face or outer circumferential face of work5 Dec 2017US 9,833,841 B2Matsuura Machinery Corporation
- Cutting method for inner circumferential face or outer circumferential face of work14 Nov 2017US 9,815,120 B2Matsuura Machinery Corporation
- Method for manufacturing machine component, apparatus for manufacturing machine component, method for machining rotation symmetry plane, recording medium, and program5 Sep 2019US 2019/0270141 A1Sumitomo Electric Hardmetal Corp.
- Machine tool and cutting method3 Jan 2019US 2019/0001417 A1Murata Machinery, Ltd.
- Method for manufacturing machine component, apparatus for manufacturing machine component, method for machining rotation symmetry plane, recording medium, and program13 Sep 2018US 2018/0257145 A1Sumitomo Electric Hardmetal Corp.
- Cutting Method for Inner Circumferential Face or Outer Circumferential Face of Work11 May 2017US 2017/0129017 A1Matsuura Machinery Corporation
- Cutting Method for Inner Circumferential Face or Outer Circumferential Face of Work6 Apr 2017US 2017/0095863 A1Matsuura Machinery Corporation
Most cited
By later US patents
- Tapered turning lathe19US 8,051,753 B2Hydratight Operations, Inc. · 2011
- Machine adjustable boring bar assembly and method16US 4,742,738 AErickson Tool Company · 1988
- Method and apparatus for forming matching tapered surfaces on interfitting male and female parts12US 4,151,765 A1979
- Lathe tool7US 4,450,737 A1984
- Vertical lathe5US 6,918,326 B2Toshiba Kikai Kabushiki Kaisha · 2005