B21D 5/143
Making use of a mandrel
Official title: {making use of a mandrel}
B21D5/143 (Making use of a mandrel) appears on 20 US grants and 7 published applications in this corpus.
Search patents in B21D- Granted patents
- 20
- Published applications
- 7
- Assignees
- 14
- Inventors
- 37
- Latest grant
- 6 Oct 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bending device with rotating bending dies6 Oct 2020US 10,792,717 B2CLN of South Florida, Inc.
- Method for producing a flat spiral spring, and bending device for producing same26 May 2020US 10,661,330 B2Adolf Schnorr GmbH + Co. KG
- Roller hemming device4 Aug 2015US 9,095,887 B2Toyota Jidosha Kabushiki Kaisha
- Bending roll apparatus27 Jun 2006US 7,065,999 B2Nippon Steel Corporation
- Method of manufacturing pipe11 Jan 2000US 6,012,315 ASango Co., Ltd.
- Method of manufacture of a reinforced pipe15 Jan 2026US 2026/0014611 A1Odfjell Oceanwind AS
- Heat exchanger and method of making thereof21 Feb 2019US 2019/0056182 A1Taylor Commercial Foodservice, LLC
- Bending device with rotating bending dies26 Jul 2018US 2018/0207701 A1CLN of South Florida, Inc.
- Method for producing a flat spiral spring, and bending device for producing same3 Aug 2017US 2017/0216905 A1Adolf Schnorr GmbH + Co. KG
- Multi-shaft bending machine for bending rectangular duct body16 Jul 2015US 2015/0198351 A1Beijing Jingumchang Automobile Hitech Co., Ltd.
Most cited
By later US patents
- Sheet metal former23US 4,125,006 A1978
- Method of roll forming cylindrical pipe16US 4,706,488 AKaiser Steel Corporation · 1987
- Method and apparatus for forming tubes13US 4,063,442 A1977
- Method and apparatus for making can bodies from sheets11US 4,726,210 AElpatronic AG · 1988
- Tool system for an annular sheet metal part10US 5,341,665 ASociete Nationale d'Etude et de Construction de Moteurs D'Aviation "S.N.E.C.M A." · 1994