B24D 15/08
Of knives
Official title: of knives; of razors
B24D15/08 (Of knives) appears on 305 US grants and 249 published applications in this corpus.
Search patents in B24D- Granted patents
- 305
- Published applications
- 249
- Assignees
- 125
- Inventors
- 402
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 12 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 12 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 3 |
| 2003 | 6 | 8 |
| 2004 | 8 | 6 |
| 2005 | 3 | 7 |
| 2006 | 7 | 16 |
| 2007 | 9 | 12 |
| 2008 | 8 | 10 |
| 2009 | 6 | 15 |
| 2010 | 3 | 6 |
| 2011 | 3 | 6 |
| 2012 | 8 | 4 |
| 2013 | 9 | 8 |
| 2014 | 3 | 8 |
| 2015 | 12 | 13 |
| 2016 | 7 | 9 |
| 2017 | 11 | 9 |
| 2018 | 11 | 9 |
| 2019 | 8 | 4 |
| 2020 | 9 | 13 |
| 2021 | 6 | 13 |
| 2022 | 13 | 14 |
| 2023 | 9 | 21 |
| 2024 | 11 | 11 |
| 2025 | 15 | 10 |
| 2026 | 6 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tool sharpening system1 Sep 2026US 12,722,253 B2
- Sharpener21 Jul 2026US 12,686,096 B2
- Magnetic sharpening jig comprising a flexible contact element16 Jun 2026US 12,654,275 B2Horl 1993 GmbH
- Sharpening device26 May 2026US 12,636,757 B2AOB Products Company
- Knife detecting and sharpening system14 Apr 2026US 12,600,003 B2Ten Sheeg Machinery Co., Ltd.
- 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
- Chisel scabbard with removable insert57US 7,175,023 B2Irwin Industrial Tool Company · 2007
- Steeling apparatus for annular rotary knife blades51US 5,099,721 ABettcher Industries, Inc. · 1992
- Blade sharpener50US 5,431,068 A1995
- Abrasive sharpener46US 8,221,199 B2Smith Abrasives, Inc. · 2012
- Knife sharpener clamp construction45US 4,512,112 A1985