C21D 9/12
Barrels for ordnance
Official title: barrels for ordnance
C21D9/12 (Barrels for ordnance) appears on 12 US grants and 9 published applications in this corpus.
Search patents in C21D- Granted patents
- 12
- Published applications
- 9
- Assignees
- 12
- Inventors
- 20
- Latest grant
- 14 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 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 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 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
- Annealing system for cartridge casings2 Feb 2016US 9,248,531 B2Vista Outdoor Operations LLC
- Case annealer29 Apr 2014US 8,707,844 B2Alliant Techsystems Inc.
- Compressed elastomer process for autofrettage and lining tubes16 Apr 2013US 8,418,392 B2The United States of America as represented by the Secretary of the Army
- Compressed elastomer process for autofrettage and lining tubes15 Nov 2011US 8,056,279 B2The United States of America as represented by the Secretary of the Army
- Method for producing a highly heat-resistant weapon barrel provided with a twist profile8 Jul 2021US 2021/0207233 A1Rheinmetall Waffe Munition GmbH
- Annealing system for cartridge casings30 Oct 2014US 2014/0318351 A1Alliant Techsystems Inc.
- Case annealer25 Jul 2013US 2013/0186262 A1Alliant Techsystems Inc.
- Compressed Elastomer Process for Autofrettage and Lining Tubes27 Jan 2011US 2011/0017051 A1United States Government as represented by the Secretary of the Army
- Method for the Production of Forged Steel for Weapons Subject to Heavy Stresses, Barrel Blanks and Thus-Equipped Weapon7 Jan 2010US 2010/0003162 A1
Most cited
By later US patents
- Method for gun barrel manufacture using tailored autofrettage mandrels21US 6,810,615 B2United Defense, L.P. · 2004
- Gun barrel, mandrel and related processes16US 4,622,080 AAmerican Metal-Tech, Ltd. · 1986
- Deep cryogenic tempering process based on flashing liquid nitrogen through a dispersal system16US 5,865,913 A300 Below, Inc. · 1999
- Blank for gun barrel, method for producing said gun barrel and gun barrel12US 6,564,689 B1Damasteel Aktiebolag · 2003
- Apparatus for hardening the inside contour of a gun barrel with laser radiation4US 6,040,551 ARheinmetall W & M GmbH · 2000