B21H 7/00
Making articles not provided for in the preceding groups
Official title: Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons (nails, pins B21G3/30)
B21H7/00 (Making articles not provided for in the preceding groups) appears on 311 US grants and 223 published applications in this corpus.
Search patents in B21H- Granted patents
- 311
- Published applications
- 223
- Assignees
- 220
- Inventors
- 610
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 9 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 8 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 16 | 0 |
| 1999 | 12 | 0 |
| 2000 | 11 | 0 |
| 2001 | 17 | 3 |
| 2002 | 7 | 10 |
| 2003 | 10 | 5 |
| 2004 | 3 | 14 |
| 2005 | 3 | 10 |
| 2006 | 13 | 12 |
| 2007 | 7 | 9 |
| 2008 | 2 | 8 |
| 2009 | 5 | 6 |
| 2010 | 3 | 5 |
| 2011 | 5 | 8 |
| 2012 | 2 | 11 |
| 2013 | 10 | 8 |
| 2014 | 6 | 8 |
| 2015 | 9 | 17 |
| 2016 | 7 | 13 |
| 2017 | 12 | 12 |
| 2018 | 9 | 14 |
| 2019 | 8 | 6 |
| 2020 | 7 | 13 |
| 2021 | 11 | 7 |
| 2022 | 10 | 9 |
| 2023 | 9 | 4 |
| 2024 | 5 | 4 |
| 2025 | 4 | 4 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B21H 7/18Grooved pins190
- B21H 7/14Knurled articles33
- B21H 7/16Turbine blades23
- B21H 7/007Taper rolling16
- B21H 7/002Fasteners, rivets5
- B21H 7/06Ploughshares3
- B21H 7/10Knives3
- B21H 7/08Forks1
All 12 subgroupsShow fewer
Recent patents
- Systems, compositions, and methods for producing sharp edges10 Mar 2026US 12,569,895 B2Massachusetts Institute of Technology
- Method for manufacturing a die-casting machine and die-casting machine25 Nov 2025US 12,479,023 B2Italpressegauss S.P.A.
- Cross edge rolling30 Sep 2025US 12,427,560 B2fischerwerke GmbH & Co. KG
- Metal mask26 Aug 2025US 12,398,452 B2Darwin Precisions Corporation
- Battery pack powered roll groover12 Aug 2025US 12,383,948 B2Milwaukee Electric Tool Corporation
- Fox ear keylock insert1 Oct 2026US 2026/0298280 A1Rtx Corporation
- Method for multi-field coupling strengthening of an ice skate blade edge29 Jan 2026US 2026/0027609 A1Avic Manufacturing Technology Institute
- Device for Machining, in Particular for Deep-Rolling, Shafts8 Jan 2026US 2026/0008108 A1Hegenscheidt-MFD GmbH & Co. KG
- Battery pack powered roll groover27 Nov 2025US 2025/0360549 A1Milwaukee Electric Tool Corporation
- Cold forming machine23 Oct 2025US 2025/0326024 A1Osg Ex-Cell-O GmbH
Most cited
By later US patents
- Method and apparatus for knurling a workpiece, method of molding an article with such workpiece, and such molded article225US 5,975,987 A3M Innovative Properties Company · 1999
- Tubular structures and knurling systems and methods of manufacture and use thereof118US 9,933,092 B2Deflecto, LLC · 2018
- Isothermal metal forming apparatus89US 3,988,913 AInternational Harvester Company · 1976
- Gas turbine vanes and methods for making same68US 4,883,404 A1989
- Cooking vessel54US 4,926,843 AAlu Inc. · 1990