B23G 5/14
Tapping-heads
B23G5/14 (Tapping-heads) appears on 20 US grants and 4 published applications in this corpus.
Search patents in B23G- Granted patents
- 20
- Published applications
- 4
- Assignees
- 13
- Inventors
- 27
- Latest grant
- 24 Mar 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 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 | 1 | 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 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Internal thread chase24 Mar 2020US 10,596,648 B2Snap-on Incorporated
- Split rethreading tap5 Jan 2016US 9,227,256 B2
- Tool for repairing cross-threading and other damage in threaded blind holes2 Sep 2014US 8,821,081 B1
- Shrink-fit tool unit as well as tool holder and rotary tool to be used for the shrink-fit tool unit5 Jun 2012US 8,192,290 B2Osg Corporation
- Chasing tap with replaceable chasers2 Jan 1996US 5,480,272 AJNT Technical Services, Inc.
- Internal thread chase8 Nov 2018US 2018/0318950 A1Snap-on Incorporated
- Split rethreading tap29 May 2014US 2014/0147223 A1
- Shrink-Fit Tool Unit as Well as Tool Holder and Rotary Tool to be Used for the Shrink-Fit Tool Unit8 Jan 2009US 2009/0011844 A1Osg Corporation
- Removable tap chasers and tap systems including the same2 Feb 2006US 2006/0024140 A1
Most cited
By later US patents
- Chaser cutting apparatus32US 4,097,180 ATRW Inc. · 1978
- Chasing tap with replaceable chasers31US 5,480,272 AJNT Technical Services, Inc. · 1996
- Tap driver assembly23US 4,080,090 AHoudaille Industries, Inc. · 1978
- Reverse cutting expansion tap19US 4,661,028 A1987
- Rotary tool holder15US 4,284,374 AManyo Tool Kabushiki Kaisha · 1981