B23F 21/166
In exchangeable arrangement
Official title: {in exchangeable arrangement}
B23F21/166 (In exchangeable arrangement) appears on 38 US grants and 23 published applications in this corpus.
Search patents in B23F- Granted patents
- 38
- Published applications
- 23
- Assignees
- 26
- Inventors
- 48
- Latest grant
- 14 Mar 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 4 |
| 2013 | 0 | 2 |
| 2014 | 3 | 4 |
| 2015 | 2 | 3 |
| 2016 | 4 | 1 |
| 2017 | 2 | 3 |
| 2018 | 4 | 0 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Indexable tangential railway wheel milling inserts and cutting tool holders14 Mar 2023US 11,602,796 B2Kennametal Inc.
- Hobbing tool with replaceable cutting inserts19 May 2020US 10,654,119 B2Seco Tools AB
- Cutting insert having end surface with side edges connected by an inclined rake surface and cutting tool5 Nov 2019US 10,464,150 B2Tungaloy Corporation
- Sectional hob13 Aug 2019US 10,376,974 B2Mitsubishi Materials Corporation
- Milling tool and a tool body16 Oct 2018US 10,099,304 B2Sandvik Intellectual Property AB
- Indexable tangential railway wheel milling inserts and cutting tool holders17 Feb 2022US 2022/0048120 A1Kennametal Inc.
- Hobbing tool with replaceable cutting inserts1 Aug 2019US 2019/0232405 A1Seco Tools AB
- Axial hob with multi-revolution cutting teeth7 Sep 2017US 2017/0252843 A1The Gleason Works
- Sectional hob13 Jul 2017US 2017/0197264 A1Mitsubishi Materials Corporation
- Cutting insert having end surface with side edges connected by an inclined rake surface and cutting tool29 Jun 2017US 2017/0182573 A1Tungaloy Corporation
Most cited
By later US patents
- Cutter blade with integral coolant passages36US 6,634,835 B1Torque-Traction Technologies, Inc. · 2003
- Multiple-part hobbing cutter21US 4,218,159 ASack GmbH · 1980
- Inserted-blade cutter assembly12US 4,205,932 AIllinois Tool Works Inc. · 1980
- Hob with cutting plates11US 4,464,086 AWilhelm Fette GmbH · 1984
- Hob construction8US 5,232,316 AIllinois Tool Works Inc. · 1993