B21K 11/02
Knives
Official title: knives
B21K11/02 (Knives) appears on 19 US grants and 29 published applications in this corpus.
Search patents in B21K- Granted patents
- 19
- Published applications
- 29
- Assignees
- 20
- Inventors
- 34
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 3 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 4 |
| 2009 | 0 | 0 |
| 2010 | 2 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 2 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 0 | 2 |
| 2020 | 0 | 1 |
| 2021 | 1 | 4 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 2 | 0 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems, compositions, and methods for producing sharp edges10 Mar 2026US 12,569,895 B2Massachusetts Institute of Technology
- Blank for a Damascus patterned article18 Nov 2025US 12,473,616 B2Damasteel AB
- Knife for surgical stapler and associated method of manufacture with MIM and HIP13 May 2025US 12,295,572 B2Cilag GmbH International
- Method for manufacturing kitchen knife by using multilayer material20 Aug 2024US 12,064,837 B2Kongju National University Industry-University Cooperation Foundation
- Knife for surgical stapler and associated method of manufacture with MIM and HIP13 Aug 2024US 12,059,151 B2Cilag GmbH International
- Systems, compositions, and methods for producing sharp edges24 Nov 2022US 2022/0371146 A1Massachusetts Institute of Technology
- Knife for surgical stapler and associated method of manufacture with mim and hip8 Jul 2021US 2021/0204939 A1Ethicon, Inc.
- Knife for surgical stapler and associated method of manufacture with mim and hip8 Jul 2021US 2021/0204940 A1Ethicon, Inc.
- Blank for a damascus patterned article8 Jul 2021US 2021/0207250 A1Damasteel AB
- Method for manufacturing kitchen knife by using multilayer material, and kitchen knife manufactured thereby1 Apr 2021US 2021/0094132 A1Kongju National University Industry-University Cooperation Foundation
Most cited
By later US patents
- Composite utility knife blade50US 6,701,627 B2American Saw & Mfg. Company · 2004
- Cutting instruments36US 6,293,020 B1Nitinol Technologies, Inc. · 2001
- Cutting instruments15US 6,571,665 B2Nitinol Technologies, Inc. · 2003
- Method of making a composite utility blade12US 7,658,129 B2Irwin Industrial Tool Company · 2010
- Composite utility knife blade, and method of making such a blade11US 8,291,602 B2Irwin Industrial Tool Company · 2012