B21D 13/045
The corrugations being parallel to the feeding movement
Official title: {the corrugations being parallel to the feeding movement}
B21D13/045 (The corrugations being parallel to the feeding movement) appears on 50 US grants and 34 published applications in this corpus.
Search patents in B21D- Granted patents
- 50
- Published applications
- 34
- Assignees
- 40
- Inventors
- 109
- Latest grant
- 7 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 3 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 2 | 2 |
| 2011 | 2 | 3 |
| 2012 | 2 | 2 |
| 2013 | 1 | 0 |
| 2014 | 3 | 1 |
| 2015 | 2 | 1 |
| 2016 | 0 | 0 |
| 2017 | 2 | 2 |
| 2018 | 0 | 1 |
| 2019 | 2 | 2 |
| 2020 | 2 | 2 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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Most cited
By later US patents
- Corrugated plate having variable material thickness and method for making same58US 4,241,146 A1980
- Method for stretching sheet metal and structural members formed therefrom37US 4,233,833 AUnited States Gypsum Company · 1980
- Large profile sheet metal corrugator25US 4,269,055 A1981
- Roll forming machine for an indeterminate length metal roof panel24US 5,664,451 AEnglert/Rollformer, Inc. · 1997
- Rounded corrugated sheet and method and apparatus for its manufacture23US 4,689,261 A1987