B24D 15/06
Hand tools or other devices for non-rotary grinding, polishing, or stropping: specially
Official title: specially designed for sharpening cutting edges
B24D15/06 (Hand tools or other devices for non-rotary grinding, polishing, or stropping: specially) appears on 524 US grants and 378 published applications in this corpus.
Search patents in B24D- Granted patents
- 524
- Published applications
- 378
- Assignees
- 183
- Inventors
- 668
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 0 | 0 |
| 1980 | 9 | 0 |
| 1981 | 7 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 17 | 0 |
| 1986 | 7 | 0 |
| 1987 | 9 | 0 |
| 1988 | 11 | 0 |
| 1989 | 16 | 0 |
| 1990 | 7 | 0 |
| 1991 | 9 | 0 |
| 1992 | 14 | 0 |
| 1993 | 11 | 0 |
| 1994 | 4 | 0 |
| 1995 | 18 | 0 |
| 1996 | 17 | 0 |
| 1997 | 12 | 0 |
| 1998 | 4 | 0 |
| 1999 | 10 | 0 |
| 2000 | 20 | 0 |
| 2001 | 6 | 1 |
| 2002 | 9 | 5 |
| 2003 | 8 | 11 |
| 2004 | 10 | 13 |
| 2005 | 8 | 12 |
| 2006 | 16 | 27 |
| 2007 | 15 | 23 |
| 2008 | 13 | 15 |
| 2009 | 9 | 23 |
| 2010 | 6 | 8 |
| 2011 | 6 | 17 |
| 2012 | 12 | 9 |
| 2013 | 13 | 13 |
| 2014 | 12 | 13 |
| 2015 | 15 | 15 |
| 2016 | 13 | 12 |
| 2017 | 12 | 13 |
| 2018 | 14 | 13 |
| 2019 | 11 | 6 |
| 2020 | 12 | 18 |
| 2021 | 9 | 17 |
| 2022 | 16 | 16 |
| 2023 | 13 | 24 |
| 2024 | 14 | 23 |
| 2025 | 16 | 14 |
| 2026 | 10 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B24D 15/08Of knives305
- B24D 15/066For sharpening skate blades, i.e. blades having two sharp edges defined by45
- B24D 15/065For sharpening both knives and scissors38
- B24D 15/10Of safety-razor blades24
- B24D 15/063For grinding shears, scissors19
- B24D 15/068For sharpening ski edges, i.e. sharp edges defined by two surfaces intersecting17
- B24D 15/061For electric shaving blades10
Recent patents
- Tool sharpening system1 Sep 2026US 12,722,253 B2
- Edge sharpening tool for acrylic wax scraper28 Jul 2026US 12,691,359 B2Xiamen Chixue Sports Goods Co., Ltd.
- Sharpener21 Jul 2026US 12,686,096 B2
- Magnetic sharpening jig comprising a flexible contact element16 Jun 2026US 12,654,275 B2Horl 1993 GmbH
- Portable ski and snowboard edge sharpener and method of using the same26 May 2026US 12,636,568 B2
- System and Method for Sharpening a Blade with a Blade Sharpening Apparatus1 Oct 2026US 2026/0295775 A1Sharpal, Inc.
- Magnetic Sharpening Jig Comprising A Flexible Contact Element17 Sep 2026US 2026/0273684 A1Horl 1993 GmbH
- Sharpening system for a cutting tool and related method of use20 Aug 2026US 2026/0241516 A1Ranch Distribution Inc.
- Sharpening angle guide13 Aug 2026US 2026/0233361 A1
- Multi-purpose sharpener23 Jul 2026US 2026/0208322 A1Mighty Dreams LLC
Most cited
By later US patents
- Medical scissor sharpener83US 6,149,662 AMiltex Technology Corporation · 2000
- Sharpening apparatus65US 6,012,971 AEdgecraft Corporation · 2000
- Chisel scabbard with removable insert57US 7,175,023 B2Irwin Industrial Tool Company · 2007
- Portable sharpener55US 4,441,279 AE-Z Products LLC · 1984
- Portable blade sharpener for ice skates52US 5,591,069 A1997