B23D 71/04
Hand files or hand rasps
Official title: Hand files or hand rasps (carrying or attaching means for tools which are connected to a carrier at both ends B23D51/12; guiding arrangements B23D69/02)
B23D71/04 (Hand files or hand rasps) appears on 59 US grants and 42 published applications in this corpus.
Search patents in B23D- Granted patents
- 59
- Published applications
- 42
- Assignees
- 31
- Inventors
- 99
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 4 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 3 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 2 | 2 |
| 2016 | 1 | 0 |
| 2017 | 2 | 4 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 1 | 7 |
| 2021 | 2 | 1 |
| 2022 | 2 | 1 |
| 2023 | 3 | 3 |
| 2024 | 0 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bone resection method by plunge milling and rasping during total ankle arthroplasty31 Mar 2026US 12,588,915 B2Arthrex, Inc.
- Musical string instrument nut and bridge file10 Oct 2023US 11,783,801 B2Music Nomad, LLC
- Musical string instrument nut and bridge file26 Sep 2023US 11,769,473 B2Music Nomad, LLC
- Tool having one or more rotatable tool members11 Apr 2023US 11,623,334 B2Leatherman Tool Group, Inc.
- Hoof rasp27 Dec 2022US 11,533,895 B2Kerckhaert Hoefijzerfabriek B.V.
- Bone Resection Method by Plunge Milling and Rasping During Total Ankle Arthroplasty16 Jul 2026US 2026/0198936 A1Arthrex, Inc.
- Fret tool28 Aug 2025US 2025/0269495 A1
- Bone Resection Method by Plunge Milling and Rasping During Total Ankle Arthroplasty30 Jan 2025US 2025/0032131 A1Arthrex, Inc.
- Pliers Structure28 Nov 2024US 2024/0391061 A1
- Hand abrading tool with reversible working ends and surfaces9 Nov 2023US 2023/0356312 A1
Most cited
By later US patents