B21C 37/0826
Preparing the edges of the metal sheet with the aim of having
Official title: {Preparing the edges of the metal sheet with the aim of having some effect on the weld}
B21C37/0826 (Preparing the edges of the metal sheet with the aim of having) appears on 15 US grants and 20 published applications in this corpus.
Search patents in B21C- Granted patents
- 15
- Published applications
- 20
- Assignees
- 16
- Inventors
- 55
- Latest grant
- 25 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 2 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 1 | 1 |
| 2015 | 5 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Continuous length of coilable tubing32US 5,191,911 AQuality Tubing, Inc. · 1993
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- Method and apparatus for producing continuous lengths of coilable tubing26US 4,863,091 AQuality Tubing, Inc. · 1989
- Dual bias weld for continuous coiled tubing24US 5,456,405 AQuality Tubing, Inc. · 1995
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