B23D 73/04
Methods or machines for the manufacture of files or rasps
B23D73/04 (Methods or machines for the manufacture of files or rasps) appears on 14 US grants and 7 published applications in this corpus.
Search patents in B23D- Granted patents
- 14
- Published applications
- 7
- Assignees
- 10
- Inventors
- 21
- Latest grant
- 12 Jan 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 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 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Sharpening device12 Jan 2021US 10,888,970 B2Sky Tooling Limited
- Rasp blade with cutting teeth laterally displaced from a planar body11 Mar 2008US 7,341,407 B2Pincott International Pty. Ltd.
- Tool mounting assembly23 Aug 2005US 6,932,680 B1
- Barbed endodontic instrument6 Aug 2002US 6,428,317 B1Abelity, LLC
- Spring file26 Jun 1990US 4,936,055 A
- Sander for foam products20 Sep 2018US 2018/0264567 A1
- Sharpening device16 Nov 2017US 2017/0326703 A1Sky Tooling Limited
- Metal sanding devices21 May 2009US 2009/0129873 A1
- Metal sanding devices2 Oct 2008US 2008/0242204 A1
- Continuous shearing edges made of brazed carbide grits for use on a tool18 Oct 2007US 2007/0243029 A1
Most cited
By later US patents
- Method of manufacturing a polisher29US 4,456,500 ANippon Tenshashi Kabushiki Kaisha · 1984
- Barbed endodontic instrument29US 6,428,317 B1Abelity, LLC · 2002
- Spring file8US 4,936,055 A1990
- Abrading apparatus and process for making the same5US 4,843,768 AB & J Manufacturing Company · 1989
- Method for making file teeth4US 4,182,204 A1980