B21C 5/003
Pointing: of hollow material
Official title: {of hollow material, e.g. tube}
B21C5/003 (Pointing: of hollow material) appears on 18 US grants and 15 published applications in this corpus.
Search patents in B21C- Granted patents
- 18
- Published applications
- 15
- Assignees
- 17
- Inventors
- 49
- Latest grant
- 5 May 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 2 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 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
- Preparing a tube end for rod drawing5 May 2020US 10,639,690 B2SMS group GmbH
- Method and apparatus for making seamless pipe28 Apr 2020US 10,632,514 B2SMS group GmbH
- Method of manufacturing rectangular tube having stepped portion21 Nov 2017US 9,821,355 B2Nisshin Steel Co., Ltd.
- Method of manufacturing rectangular tube having stepped portion12 Sep 2017US 9,757,789 B2Nisshin Steel Co., Ltd.
- Device for and method of loading stents into delivery tubes25 Aug 2015US 9,114,036 B2Machine Solutions, Inc.
- Method and mechanical arrangement for producing a tubular hollow body from a tubular hollow body blank, in particular for producing a hollow shaft from a shaft blank13 Aug 2026US 2026/0233293 A1FELSS Systems GmbH
- Magnesium alloy butted tube drawing mechanism22 Jul 2021US 2021/0220898 A1Jurnong Bailey Magnesium Alloy Material Technology Co., Ltd.
- Method and apparatus for making seamless pipe21 Jun 2018US 2018/0169725 A1SMS group GmbH
- Preparing a tube end for rod drawing25 Jan 2018US 2018/0021826 A1SMS group GmbH
- Method of manufacturing rectangular tube having stepped portion1 Oct 2015US 2015/0273548 A1Nisshin Steel Co., Ltd.
Most cited
By later US patents
- Apparatus for pointing work pieces21US 4,350,036 AVale Industries Inc. · 1982
- Ductile cast iron articles17US 4,040,875 A1977
- Method of cold extruding ductile cast iron tube13US 3,977,227 A1976
- Apparatus for forming a point at the end of a metal tube by means of a drawing operation13US 4,383,429 ALa Metalli Industriale S.p.A. · 1983
- Hollow rack, hollow rack end diameter reducing method, hollow rack end diameter reducing apparatus, and hollow rack manufacturing method6US 8,104,369 B2Neturen Co., Ltd. · 2012