B21D 43/003
Positioning devices
Official title: {Positioning devices (B21D28/04 and B21D28/265 take precedence; stops B21D43/26; centering moving strips B21D43/023)}
B21D43/003 (Positioning devices) appears on 193 US grants and 185 published applications in this corpus.
Search patents in B21D- Granted patents
- 193
- Published applications
- 185
- Assignees
- 156
- Inventors
- 491
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 3 |
| 2005 | 2 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 7 |
| 2011 | 1 | 2 |
| 2012 | 3 | 5 |
| 2013 | 4 | 7 |
| 2014 | 8 | 10 |
| 2015 | 7 | 11 |
| 2016 | 7 | 10 |
| 2017 | 8 | 7 |
| 2018 | 6 | 12 |
| 2019 | 8 | 16 |
| 2020 | 15 | 24 |
| 2021 | 16 | 16 |
| 2022 | 18 | 8 |
| 2023 | 11 | 13 |
| 2024 | 15 | 11 |
| 2025 | 2 | 8 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of bending and bending machine for the execution of a method of bending29 Sep 2026US 12,746,590 B2Blm S.P.A.
- Hairpin alignment device for hairpin winding motor8 Sep 2026US 12,732,073 B2Hyundai Motor Company
- Mobile machine tool3 Mar 2026US 12,564,873 B2Picum Mt GmbH
- Sensing arrangement and system for dynamic measurements of can on punch and can bodymaker including same10 Feb 2026US 12,544,824 B2Stolle Machinery Company, LLC
- Multi-tool gripper head of a sorting apparatus and operating method thereof6 Jan 2026US 12,515,354 B2Astes4 SA
- Centering unit, centering system and centering method for sheets at line start of stamping line17 Sep 2026US 2026/0273610 A1Jier Machine-Tool Group Co.Ltd
- Mechanical device for separating a workpiece part from a scrap skeleton23 Apr 2026US 2026/0108931 A1
- Tube manufacturing support device and tube manufacturing method16 Apr 2026US 2026/0102812 A1Mitsubishi Heavy Industries, Ltd.
- Integrated spinning machine and use method8 Jan 2026US 2026/0008089 A1Guizhou Aviation Technical Development Co. Ltd
- Free bending forming device having variable length of bending deformation zone capable of processing tubes of different outer diameters1 Jan 2026US 2026/0001115 A1Zhejiang University
Most cited
By later US patents
- Sheet metal positioning and gripping apparatus and method49US 4,297,927 AThe Warner & Swasey Company · 1981
- Punch press with means for rotating the workpiece and method of using same and tooling therefor41US 4,602,541 ATrumpf GmbH & Co. · 1986
- Machine tool with an adjustable mechanism for fixing and displacing a workpiece relative to a tool34US 4,274,801 ATrumpf Maschinen AG · 1981
- Apparatus and method for sheet metal part alignment31US 4,399,675 AThe Boeing Company · 1983
- Method of positioning a metal sheet for a sheetmetal working machine31US 5,187,958 AAmada Company, Limited · 1993