B21D 53/64
Knives
Official title: knives; scissors; cutting blades (B21D53/72 takes precedence; handle portions B21D53/70)
B21D53/64 (Knives) appears on 76 US grants and 72 published applications in this corpus.
Search patents in B21D- Granted patents
- 76
- Published applications
- 72
- Assignees
- 46
- Inventors
- 159
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 4 |
| 2005 | 2 | 3 |
| 2006 | 0 | 1 |
| 2007 | 0 | 7 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 5 | 4 |
| 2011 | 3 | 6 |
| 2012 | 1 | 3 |
| 2013 | 5 | 4 |
| 2014 | 3 | 5 |
| 2015 | 1 | 2 |
| 2016 | 5 | 4 |
| 2017 | 0 | 3 |
| 2018 | 2 | 3 |
| 2019 | 3 | 4 |
| 2020 | 2 | 0 |
| 2021 | 2 | 2 |
| 2022 | 1 | 7 |
| 2023 | 2 | 2 |
| 2024 | 3 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of manufacturing a knife blade for a cutter knife and cutter knife28 Apr 2026US 12,610,882 B2Smf - Holding GmbH
- Razor blade and composition for a razor blade4 Mar 2025US 12,240,136 B2Edgewell Personal Care Brands, LLC
- Press and methods for cutting and folding a safety razor to form a 2-blade system for a razor head, and assembly28 May 2024US 11,992,963 B2
- Method of forming teeth of a cutting blade or guard2 Apr 2024US 11,945,060 B2Koninklijke Philips N. V.
- Kitchen knife19 Mar 2024US 11,931,912 B2Steelport Kitchenware, Inc.
- Method of manufacturing a razor cartridge component3 Oct 2024US 2024/0326274 A1BIC Violex Single Member S.A.
- Press and methods for cutting and folding a safety razor to form a 2-blade system for a razor head, and assembly20 Jul 2023US 2023/0226707 A1
- Press and methods for cutting and folding a safety razor to form a 2-blade system for a razor head, and assembly29 Jun 2023US 2023/0202064 A1
- Method of manufacturing a knife blade for a cutter knife and cutter knife8 Dec 2022US 2022/0386524 A1Smf - Holding GmbH
- Press and methods for cutting and folding a safety razor to form a 2-blade system for a razor head, and assembly17 Nov 2022US 2022/0362956 A1
Most cited
By later US patents
- Composite utility knife blade50US 6,701,627 B2American Saw & Mfg. Company · 2004
- Razor blade manufacture36US 5,701,788 AThe Gillette Company · 1997
- Razor blade31US 6,629,475 B1The Gillette Company · 2003
- Method of manufacturing a knife blade25US 5,241,883 ASeb S. A. · 1993
- Method of making a knife having a scalloped cutting edge23US 5,022,299 AUrschel Laboratories, Inc. · 1991