B21D 28/20
Applications of drives for reducing noise or wear
Official title: Applications of drives {for reducing noise or wear}
B21D28/20 (Applications of drives for reducing noise or wear) appears on 59 US grants and 31 published applications in this corpus.
Search patents in B21D- Granted patents
- 59
- Published applications
- 31
- Assignees
- 41
- Inventors
- 91
- Latest grant
- 13 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 2 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 3 |
| 2012 | 3 | 2 |
| 2013 | 2 | 0 |
| 2014 | 1 | 3 |
| 2015 | 1 | 1 |
| 2016 | 1 | 2 |
| 2017 | 2 | 3 |
| 2018 | 0 | 1 |
| 2019 | 3 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 3 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for manufacturing laminated iron core and method for manufacturing laminated iron core13 Dec 2022US 11,524,327 B2Mitsui High-Tec, 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
- Wedge drive and method for producing a wedge drive having optimized guidance21 Jun 2022US 11,364,530 B2Fibro GmbH
- Punch press23 Mar 2021US 10,953,452 B2Toyota Boshoku Kabushiki Kaisha
- Apparatus and method for stripping away/pushing out a punched grid/internally formed part and ejecting a blanked part in a precision blanking press16 Jun 2020US 10,682,782 B2Feintool International Holding AG
- Die cut device and method for shearing with same16 Jul 2026US 2026/0199954 A1Grabber Construction Products, Inc.
- Electrode notching mold for secondary battery having auto-balance unit, and auto-balance unit26 Feb 2026US 2026/0054408 A1GSPCOMPANY Co., Ltd.
- Device for manufacturing laminated iron core and method for manufacturing laminated iron core4 Mar 2021US 2021/0060635 A1Mitsui High-Tec, Inc.
- Fine blanking press and method for handling a process material to be processed in a fine blanking press9 Jan 2020US 2020/0009633 A1Lapmaster Wolters GmbH
- Wedge drive and method for producing a wedge drive having optimized guidance12 Dec 2019US 2019/0374990 A1Fibro GmbH
Most cited
By later US patents
- Method and apparatus for forming cup-shaped members43US 5,626,048 ACan Industry Products, Inc. · 1997
- Electric servo motor punch press ram drive28US 5,588,344 AMurata Machinery, Ltd. · 1996
- Method and device for controlling the stroke of a press machine23US 5,027,631 AAmada Company, Limited · 1991
- Method and device for controlling the stroke of a press machine21US 5,031,431 AAmada Company, Limited · 1991
- Method for sequentially forming can bodies15US 5,628,224 ACan Industry Products, Inc. · 1997