B21D 17/04
Forming single grooves in sheet metal or tubular or hollow articles: by
Official title: by rolling
B21D17/04 (Forming single grooves in sheet metal or tubular or hollow articles: by) appears on 232 US grants and 189 published applications in this corpus.
Search patents in B21D- Granted patents
- 232
- Published applications
- 189
- Assignees
- 156
- Inventors
- 398
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 1 |
| 2002 | 11 | 19 |
| 2003 | 7 | 8 |
| 2004 | 10 | 9 |
| 2005 | 6 | 14 |
| 2006 | 6 | 7 |
| 2007 | 6 | 4 |
| 2008 | 4 | 4 |
| 2009 | 6 | 7 |
| 2010 | 0 | 5 |
| 2011 | 3 | 2 |
| 2012 | 4 | 6 |
| 2013 | 7 | 10 |
| 2014 | 4 | 7 |
| 2015 | 9 | 5 |
| 2016 | 5 | 10 |
| 2017 | 6 | 9 |
| 2018 | 5 | 5 |
| 2019 | 7 | 4 |
| 2020 | 6 | 10 |
| 2021 | 9 | 9 |
| 2022 | 8 | 6 |
| 2023 | 4 | 7 |
| 2024 | 7 | 12 |
| 2025 | 3 | 7 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tool and method for roll grooving a workpiece25 Aug 2026US 12,715,054 B2Milwaukee Electric Tool Corporation
- Tube cutter for cutting a round tube and method for cutting a round tube to length25 Aug 2026US 12,715,058 B2Conex IPR Limited
- Apparatus for mechanical beading machining and corresponding transfer machine comprising said apparatus23 Jun 2026US 12,661,702 B2GNUTTI TRANSFER S.p.A.
- Pipe groover27 Jan 2026US 12,533,721 B2ASC Engineered Solutions, LLC
- Battery pack powered roll groover12 Aug 2025US 12,383,948 B2Milwaukee Electric Tool Corporation
- Cylindrical member and manufacturing method therefor9 Jul 2026US 2026/0192353 A1Nippon Steel Corporation
- Apparatus and method for manufacturing secondary battery19 Mar 2026US 2026/0081199 A1Samsung SDI.Co., Ltd.
- Battery pack powered roll groover27 Nov 2025US 2025/0360549 A1Milwaukee Electric Tool Corporation
- Cylindrical-Battery Beading Device and Method20 Nov 2025US 2025/0357525 A1LG Energy Solution, Ltd.
- Thread Forming Apparatus And Associated Method13 Nov 2025US 2025/0345840 A1Stolle Machinery Company, LLC
Most cited
By later US patents
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- Method and apparatus for downhole sealing252US 6,425,444 B1Weatherford/Lamb, Inc. · 2002
- Method and apparatus for drilling and lining a wellbore236US 6,543,552 B1Weatherford/Lamb, Inc. · 2003
- Apparatus and method for isolating a section of tubing171US 6,527,049 B2Weatherford/Lamb, Inc. · 2003
- Profile formation112US 6,446,323 B1Weatherford/Lamb, Inc. · 2002