B21C 37/153
Making tubes with inner or outer guides
Official title: {Making tubes with inner or outer guides}
B21C37/153 (Making tubes with inner or outer guides) appears on 19 US grants and 6 published applications in this corpus.
Search patents in B21C- Granted patents
- 19
- Published applications
- 6
- Assignees
- 14
- Inventors
- 27
- Latest grant
- 14 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 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 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 3 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for producing a highly heat-resistant weapon barrel provided with a twist profile14 Nov 2023US 11,814,694 B2Rheinmetall Waffe Munition GmbH
- Method for producing gun barrels and apparatus for performing such method8 Dec 2020US 10,857,580 B2Repkon Machine and Tool Industry and Trade Inc.
- Apparatus and method for manufacturing insulated pipe assembly11 Aug 2020US 10,737,309 B2GF Urecon Ltd.
- Gun barrel manufacturing methods28 Apr 2020US 10,633,719 B1Gunwright Intellectual Property LLC
- Gun barrel manufacturing methods4 Jul 2017US 9,695,489 B1Gunwright Intellectual Property LLC
- Method for producing a highly heat-resistant weapon barrel provided with a twist profile8 Jul 2021US 2021/0207233 A1Rheinmetall Waffe Munition GmbH
- Apparatus and method for manufacturing insulated pipe assembly12 Sep 2019US 2019/0275580 A1GF Urecon Ltd.
- Method for producing gun barrels and apparatus for performing such method17 Jan 2019US 2019/0015885 A1Repkon Machine and Tool Industry and Trade Inc.
- Method for producing a gun barrel with integrally adjoining housing4 Feb 2016US 2016/0030989 A1Steyr Mannlicher GmbH
- Method and system for manufacturing metal-plated steel pipe13 Dec 2012US 2012/0315398 A1Daiwa Steel Tube Industries Co., Ltd.
Most cited
By later US patents
- Multiple piece torch tip89US 4,200,235 AVictor Equipment Company · 1980
- Telescoping tubes for torque transmission29US 4,622,022 ANeapco, Inc. · 1986
- Enhanced heat exchange tube25US 6,164,370 AOlin Corporation · 2000
- Method of manufacturing a heating exchange tube20US 5,388,329 AOlin Corporation · 1995
- Method for drawing telescoping tubes for torque transmission13US 4,622,840 ANeapco, Inc. · 1986