B23F 9/04
Making gears having teeth curved in their longitudinal direction: by planing or
Official title: by planing or slotting with reciprocating cutting tools
B23F9/04 (Making gears having teeth curved in their longitudinal direction: by planing or) appears on 4 US grants and 3 published applications in this corpus.
Search patents in B23F- Granted patents
- 4
- Published applications
- 3
- Assignees
- 4
- Inventors
- 9
- Latest grant
- 6 Oct 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method for forming a welded assembly and related welded assembly6 Oct 2020US 10,794,461 B2American Axle & Manufacturing, Inc.
- Gear-cutting machine16 Jan 2018US 9,868,169 B2Mitsubishi Heavy Industries Machine Tool Co., Ltd.
- Method for processing gear and cutter for processing gear3 May 2016US 9,327,358 B2Aisin Seiki Kabushiki Kaisha
- Method and apparatus for working a hole12 Dec 1978US 4,129,028 AGrumman Aerospace Corporation
- Method for forming a welded assembly and related welded assembly25 Oct 2018US 2018/0306302 A1American Axle & Manufacturing, Inc.
- Gear-cutting machine7 Jul 2016US 2016/0193676 A1Mitsubishi Heavy Industries Machine Tool Co., Ltd.
- Method for processing gear and cutter for processing gear21 Aug 2014US 2014/0234043 A1Aisin Seiki Kabushiki Kaisha
Most cited
By later US patents
- Method and apparatus for working a hole20US 4,129,028 AGrumman Aerospace Corporation · 1978
- Method for processing gear and cutter for processing gear3US 9,327,358 B2Aisin Seiki Kabushiki Kaisha · 2016
- Gear-cutting machine2US 9,868,169 B2Mitsubishi Heavy Industries Machine Tool Co., Ltd. · 2018
- Method for forming a welded assembly and related welded assembly1US 10,794,461 B2American Axle & Manufacturing, Inc. · 2020