B21D 13/08
Corrugating sheet metal, rods or profiles: by combined methods
Official title: by combined methods
B21D13/08 (Corrugating sheet metal, rods or profiles: by combined methods) appears on 22 US grants and 18 published applications in this corpus.
Search patents in B21D- Granted patents
- 22
- Published applications
- 18
- Assignees
- 18
- Inventors
- 49
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 3 |
| 2012 | 1 | 0 |
| 2013 | 3 | 3 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 3 | 2 |
| 2017 | 2 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Spacer structure, sandwich construction with a spacer structure of this kind and method for producing a spacer structure of this kind2 Sep 2025US 12,403,517 B2Matrix Module GmbH
- Low-gloss metal plate and method for fabricating the same20 Sep 2022US 11,446,727 B2Qisda Corporation
- Offset fin manufacturing method and offset fin manufacturing apparatus5 Mar 2019US 10,220,431 B2Denso Corporation
- Assembly and method for press forming a deformable material13 Mar 2018US 9,914,162 B2The University of Queensland
- Roll molding device8 Aug 2017US 9,724,855 B2Toyota Shatai Kabushiki Kaisha
- Spacer structure, sandwich construction with a spacer structure of this kind and method for producing a spacer structure of this kind18 May 2023US 2023/0149999 A1Matrix Module GmbH
- Low-gloss metal plate and method for fabricating the same11 Aug 2022US 2022/0250135 A1Qisda Corporation
- Shield molding blank and shield17 Dec 2020US 2020/0391269 A1Nichias Corporation
- Assembly and Method for Press Forming a Deformable Material22 Sep 2016US 2016/0271673 A1The University of Queensland
- Offset Fin Manufacturing Method And Offset Fin Manufacturing Apparatus18 Aug 2016US 2016/0236262 A1Denso Corporation
Most cited
By later US patents
- Method and apparatus for embossing sheet metal strip and sheet metal panel37US 4,027,517 A1977
- Sheet metal panel26US 4,074,495 A1978
- Roll forming machine for an indeterminate length metal roof panel24US 5,664,451 AEnglert/Rollformer, Inc. · 1997
- Stretched strips for spacer and sealed unit19US 8,586,193 B2Infinite Edge Technologies, LLC · 2013
- Heat exchanger having convoluted fin end and method of assembling the same9US 8,424,592 B2Modine Manufacturing Company · 2013