B21D 39/037
Interlocking butt joints
Official title: {Interlocking butt joints}
B21D39/037 (Interlocking butt joints) appears on 32 US grants and 38 published applications in this corpus.
Search patents in B21D- Granted patents
- 32
- Published applications
- 38
- Assignees
- 24
- Inventors
- 61
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 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 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 3 | 2 |
| 2007 | 0 | 1 |
| 2008 | 3 | 4 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 3 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 2 | 4 |
| 2016 | 3 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 0 |
| 2019 | 1 | 5 |
| 2020 | 3 | 2 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor61US 7,032,426 B2Industrial Origami, Inc. · 2006
- Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor60US 7,152,449 B2Industrial Origami, Inc. · 2006
- Method for precision bending of sheet of materials, slit sheets fabrication process51US 6,877,349 B2Industrial Origami, Inc. · 2005
- Method for forming sheet material with bend facilitating structures into a fatigue resistant structure18US 7,464,574 B2Industrial Origami, Inc. · 2008
- Method for precision bending of sheet of materials, slit sheets fabrication process15US 7,374,810 B2Industrial Origami, Inc. · 2008