B21D 1/08
Of hollow bodies made from sheet metal
Official title: of hollow bodies made from sheet metal (of substantially open bodies B21D1/10 {; flattening hollow objects for transport and reforming B21D51/14})
B21D1/08 (Of hollow bodies made from sheet metal) appears on 78 US grants and 37 published applications in this corpus.
Search patents in B21D- Granted patents
- 78
- Published applications
- 37
- Assignees
- 39
- Inventors
- 122
- Latest grant
- 22 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 2 |
| 2008 | 2 | 3 |
| 2009 | 2 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 2 |
| 2012 | 1 | 3 |
| 2013 | 2 | 2 |
| 2014 | 2 | 0 |
| 2015 | 1 | 0 |
| 2016 | 2 | 1 |
| 2017 | 2 | 2 |
| 2018 | 2 | 2 |
| 2019 | 2 | 2 |
| 2020 | 3 | 3 |
| 2021 | 1 | 2 |
| 2022 | 2 | 0 |
| 2023 | 3 | 2 |
| 2024 | 2 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Device and method for assembling wind turbine22 Apr 2025US 12,281,634 B2Vestas Wind Systems A/S
- Appliance, method and device for straightening wheels29 Oct 2024US 12,128,467 B1
- Paintless dent removal tool, system and method9 Jan 2024US 11,865,602 B2
- Automobile dent puller apparatus and method29 Aug 2023US 11,738,381 B2
- Smoothing roller assembly22 Aug 2023US 11,731,183 B2Belvac Production Machinery, Inc.
- Paintless dent removal tool, system and method28 Aug 2025US 2025/0269414 A1
- Appliance, method and device for straightening wheels13 Feb 2025US 2025/0050399 A1
- Device and method for assembling wind turbine13 Jul 2023US 2023/0220832 A1Vestas Wind Systems A/S
- Pipe repair device6 Jul 2023US 2023/0213134 A1
- Automobile dent puller apparatus and method4 Nov 2021US 2021/0339301 A1
Most cited
By later US patents
- Expander tool124US 3,986,383 A1976
- Resilient wedge for core expander tool52US 4,888,975 A1989
- Can bottom reprofiler48US 5,467,628 ABelvac Production Machinery, Inc. · 1995
- Nestable container and method of making44US 5,160,031 ABerwick Manufacturing, Inc. · 1992
- Container reconfiguring system43US 5,040,682 ABerwick Container Corp. · 1991