B21D 17/02
Forming single grooves in sheet metal or tubular or hollow articles: by
Official title: by pressing (grooving or notching of bolts, studs, or the like B21K1/54)
B21D17/02 (Forming single grooves in sheet metal or tubular or hollow articles: by) appears on 168 US grants and 148 published applications in this corpus.
Search patents in B21D- Granted patents
- 168
- Published applications
- 148
- Assignees
- 149
- Inventors
- 433
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 3 |
| 2002 | 4 | 6 |
| 2003 | 2 | 3 |
| 2004 | 2 | 7 |
| 2005 | 3 | 10 |
| 2006 | 8 | 4 |
| 2007 | 4 | 6 |
| 2008 | 4 | 3 |
| 2009 | 3 | 1 |
| 2010 | 1 | 4 |
| 2011 | 0 | 7 |
| 2012 | 5 | 8 |
| 2013 | 4 | 5 |
| 2014 | 7 | 3 |
| 2015 | 8 | 9 |
| 2016 | 0 | 4 |
| 2017 | 11 | 4 |
| 2018 | 3 | 6 |
| 2019 | 5 | 3 |
| 2020 | 7 | 8 |
| 2021 | 2 | 9 |
| 2022 | 6 | 7 |
| 2023 | 5 | 5 |
| 2024 | 9 | 9 |
| 2025 | 3 | 10 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus for mechanical machining by plastic deformation or for assembling a pair of components, and relative machine tool comprising such an apparatus12 May 2026US 12,623,271 B2GNUTTI TRANSFER S.p.A.
- Chassis component and method for producing a chassis component7 Oct 2025US 12,434,519 B2Benteler Automobiltechnik GmbH
- Battery cell with improved weldability and apparatus for processing the same17 Jun 2025US 12,334,490 B2LG Energy Solution, Ltd.
- Method for manufacturing pressed component, metal sheet for press forming, and high-tensile steel sheet14 Jan 2025US 12,194,523 B2Jfe Steel Corporation
- Method for molding screw thread of metal pipe22 Oct 2024US 12,121,949 B2Keylex Corporation
- Cylindrical member and manufacturing method therefor9 Jul 2026US 2026/0192353 A1Nippon Steel Corporation
- Secondary battery and method of manufacturing the same5 Mar 2026US 2026/0066399 A1Samsung SDI.Co., Ltd.
- Apparatus for manufacturing secondary battery19 Feb 2026US 2026/0051583 A1Samsung SDI.Co., Ltd.
- Laminated core, more particularly for a stator of an electric machine, and method for producing said laminated core1 Jan 2026US 2026/0005554 A1voestalpine Stahl GmbH
- Thread forming apparatus and associated method13 Nov 2025US 2025/0345839 A1Stolle Machinery Company, LLC
Most cited
By later US patents
- Deformable member175US 6,896,049 B2Zeroth Technology Ltd. · 2005
- Formed hose couplings86US 4,330,142 AFayette Tubular Products · 1982
- Hand railing and method of manufacture33US 5,190,267 AG. G. Schmitt & Sons, Inc. · 1993
- Method for ironing spline teeth in pressed stepped sheetmetal and sheetmetal clutch drum formed by same33US 6,233,999 B1Unipres Corporation · 2001
- Hand tool for flaring a tube25US 5,782,128 AMastercool, Inc. · 1998