B21H 7/182
Rolling annular grooves
Official title: {Rolling annular grooves}
B21H7/182 (Rolling annular grooves) appears on 94 US grants and 74 published applications in this corpus.
Search patents in B21H- Granted patents
- 94
- Published applications
- 74
- Assignees
- 59
- Inventors
- 143
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 5 |
| 2003 | 3 | 3 |
| 2004 | 3 | 4 |
| 2005 | 1 | 7 |
| 2006 | 5 | 6 |
| 2007 | 4 | 3 |
| 2008 | 1 | 3 |
| 2009 | 3 | 2 |
| 2010 | 2 | 2 |
| 2011 | 3 | 2 |
| 2012 | 0 | 3 |
| 2013 | 2 | 1 |
| 2014 | 2 | 4 |
| 2015 | 1 | 1 |
| 2016 | 2 | 5 |
| 2017 | 3 | 3 |
| 2018 | 1 | 2 |
| 2019 | 5 | 1 |
| 2020 | 2 | 4 |
| 2021 | 3 | 3 |
| 2022 | 3 | 3 |
| 2023 | 2 | 3 |
| 2024 | 4 | 3 |
| 2025 | 2 | 1 |
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.
- Battery pack powered roll groover12 Aug 2025US 12,383,948 B2Milwaukee Electric Tool Corporation
- Battery pack powered roll groover18 Jun 2024US 12,011,752 B2Milwaukee Electric Tool Corporation
- Pipe element for gas pressure vessel, and gas pressure vessel27 Feb 2024US 11,913,101 B2Benteler Steel/Tube GmbH
- Cam grooving machine13 Feb 2024US 11,898,628 B2Victaulic Company
- Battery pack powered roll groover27 Nov 2025US 2025/0360549 A1Milwaukee Electric Tool Corporation
- 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.
- Pipe Grooving Device16 Nov 2023US 2023/0364663 A1Victaulic Company
Most cited
By later US patents
- End finisher machine49US 5,467,627 AWauseon Machine and Manufacturing, Inc. · 1995
- 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
- Method and apparatus for manufacturing a battery terminal with undercut rings37US 6,644,084 B1Tulip Corporation · 2003
- Apparatus and method for cold forming a ring on a lead alloy battery terminal30US 5,632,173 ATulip Corporation · 1997