B21D 43/022
Loop-control
Official title: {Loop-control}
B21D43/022 (Loop-control) appears on 15 US grants and 14 published applications in this corpus.
Search patents in B21D- Granted patents
- 15
- Published applications
- 14
- Assignees
- 20
- Inventors
- 50
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 2 |
| 2021 | 0 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Plate material supplying apparatus10 Mar 2026US 12,569,903 B2Sankyo Seisakusho Co.
- Workpiece accumulator for a stamping machine6 Jun 2023US 11,666,960 B2GM Global Technology Operations LLC
- Vertical strip accumulator22 Nov 2022US 11,505,413 B2Dmc, Inc
- Fine blanking press and method for handling a process material to be processed in a fine blanking press1 Nov 2022US 11,484,931 B2Lapmaster Wolters GmbH
- Method and apparatus for controlling the speed of a continuous sheet of material11 Sep 2018US 10,073,443 B2Ball Corporation
- Plant for Forming a Polar Plate of a Fuel Cell, and Associated Forming Method9 Jul 2026US 2026/0192350 A1
- Method and mechanical arrangement for processing a plastically deformable workpiece, in particular a plastically deformable piece of sheet metal27 Feb 2025US 2025/0065388 A1
- Plate material supplying apparatus31 Mar 2022US 2022/0097119 A1Sankyo Seisakusho Co.
- Stamping Strip Manufacturing System18 Nov 2021US 2021/0354190 A1TE Connectivity Germany GmbH
- Workpiece accumulator for a stamping machine28 Oct 2021US 2021/0331229 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Loop follower straightener control in a press installation21US 4,464,916 AThe Minster Machine Company · 1984
- Sheet prefeeder forming an overhead stock loop to the input of an incremental feeder for a cupping press13US 3,974,949 AMTS Systems Corporation · 1976
- Apparatus for impressing a strip along its edge13US 4,627,258 AIOG Industrie-Ofenbau GmbH · 1986
- Apparatus for supplying a sheet metal strip to a press11US 4,953,808 APerfecto Industries, Inc. · 1990
- Coil feeding system, mehod and apparatus9US 4,923,139 ARedicon Corporation · 1990