B21H 7/18
Grooved pins
Official title: grooved pins; Rolling grooves, e.g. oil grooves, in articles {(B21H5/00 takes precedence)}
B21H7/18 (Grooved pins) appears on 190 US grants and 134 published applications in this corpus.
Search patents in B21H- Granted patents
- 190
- Published applications
- 134
- Assignees
- 130
- Inventors
- 331
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 14 | 0 |
| 1999 | 8 | 0 |
| 2000 | 10 | 0 |
| 2001 | 12 | 3 |
| 2002 | 6 | 8 |
| 2003 | 8 | 5 |
| 2004 | 3 | 11 |
| 2005 | 3 | 9 |
| 2006 | 10 | 10 |
| 2007 | 7 | 9 |
| 2008 | 2 | 6 |
| 2009 | 4 | 4 |
| 2010 | 2 | 4 |
| 2011 | 5 | 5 |
| 2012 | 1 | 3 |
| 2013 | 6 | 3 |
| 2014 | 4 | 6 |
| 2015 | 3 | 2 |
| 2016 | 3 | 5 |
| 2017 | 3 | 6 |
| 2018 | 2 | 4 |
| 2019 | 6 | 4 |
| 2020 | 4 | 6 |
| 2021 | 7 | 6 |
| 2022 | 4 | 6 |
| 2023 | 6 | 4 |
| 2024 | 5 | 3 |
| 2025 | 3 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method for manufacturing a die-casting machine and die-casting machine25 Nov 2025US 12,479,023 B2Italpressegauss S.P.A.
- Metal mask26 Aug 2025US 12,398,452 B2Darwin Precisions Corporation
- Battery pack powered roll groover12 Aug 2025US 12,383,948 B2Milwaukee Electric Tool Corporation
- Apparatus and method for profiling workpieces by cold forming31 Dec 2024US 12,179,254 B2Ernst Grob AG
- Battery pack powered roll groover18 Jun 2024US 12,011,752 B2Milwaukee Electric Tool Corporation
- 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
- Battery pack powered roll groover19 Sep 2024US 2024/0307940 A1Milwaukee Electric Tool Corporation
- Method for machining an annular groove30 May 2024US 2024/0173782 A1Mahle International GmbH
- Method for manufacturing a die-casting machine and die-casting machine9 May 2024US 2024/0149335 A1Italpressegauss S.P.A.
Most cited
By later US patents
- Reinforcement for vehicle hollow structural member, having decreasing-thickness end portions50US 6,082,811 AKyoho Machine Works, Ltd. · 2000
- End finisher machine49US 5,467,627 AWauseon Machine and Manufacturing, Inc. · 1995
- Y and T-finned tubes and methods and apparatus for their making41US 4,168,618 AWieland-Werke AG · 1979
- Apparatus and method for cold forming a ring on a lead alloy battery terminal including an anti-torque structure38US 5,791,183 ATulip Corporation · 1998
- Apparatus and method for cold forming an L-shaped lead alloy battery terminal37US 5,606,887 ATulip Corporation · 1997