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CPC
B21K21/04
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PERFORMING OPERATIONS TRANSPORTING
B21
Mechanical metalworking
B21K
MAKING FORGED OR PRESSED METAL PRODUCTS
B21K21/00
Making hollow articles not covered by a single preceding sub-group
Current Industry
B21K21/04
Shaping thin-walled hollow articles
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Patents Grants
last 30 patents
Information
Patent Grant
Polymer ammunition casing
Patent number
12,066,279
Issue date
Aug 20, 2024
Innovative Performance Applications, LLC
John Cogger
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Boron steel high-pressure cartridge case
Patent number
11,826,818
Issue date
Nov 28, 2023
Luvata Ohio, Inc.
Brian Swank
F42 - AMMUNITION BLASTING
Information
Patent Grant
Shell case design utilizing metal injection molding
Patent number
11,493,314
Issue date
Nov 8, 2022
Concurrent Technologies Corporation
Todd Skowron
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Shell case design utilizing metal injection molding
Patent number
11,465,207
Issue date
Oct 11, 2022
Concurrent Technologies Corporation
Todd Skowron
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Metal injection molded cased telescoped ammunition
Patent number
11,353,305
Issue date
Jun 7, 2022
Concurrent Technologies Corporation
Todd Skowron
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Long cartridge case
Patent number
11,333,473
Issue date
May 17, 2022
National Machinery LLC
Jeffrey W. Carper
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of manufacturing cup structure
Patent number
11,148,186
Issue date
Oct 19, 2021
Matec Co., Ltd.
Takehiko Masuyama
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Pressed head
Patent number
11,125,540
Issue date
Sep 21, 2021
BAE Systems plc
Ian John Pennell
F42 - AMMUNITION BLASTING
Information
Patent Grant
Method of manufacturing a cartridge case
Patent number
11,092,415
Issue date
Aug 17, 2021
Michael H. Blank
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of hot gas forming and hear treatment for a Ti2AlNb-based al...
Patent number
10,688,552
Issue date
Jun 23, 2020
Harbin Institute of Technology
Gang Liu
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Long cartridge case
Patent number
10,495,430
Issue date
Dec 3, 2019
National Machinery LLC
Jeffrey W. Carper
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Precision forged cartridge case
Patent number
10,369,622
Issue date
Aug 6, 2019
National Machinery LLC
Thomas E. Hay
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Puck wear detection
Patent number
10,364,933
Issue date
Jul 30, 2019
Momentive Performance Materials Inc.
Matthew Louis Fitzgerald
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Cartridge casing
Patent number
10,209,042
Issue date
Feb 19, 2019
BAE Systems plc
James Edward Baxter
F42 - AMMUNITION BLASTING
Information
Patent Grant
Manufacturing process to produce metalurgically programmed terminal...
Patent number
9,360,284
Issue date
Jun 7, 2016
VISTA OUTDOOR OPERATIONS LLC
Scott E. Moore
B44 - DECORATIVE ARTS
Information
Patent Grant
Method for manufacture of a metal shell, and a cup designed to serv...
Patent number
7,225,658
Issue date
Jun 5, 2007
Zakrisdalsverken Aktiebolag
Lennart Hakansson
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of manufacturing an expansion sleeve
Patent number
6,755,747
Issue date
Jun 29, 2004
Hilti Aktiengesellschaft
Jürgen Wieser
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Outside neck shaver
Patent number
5,727,295
Issue date
Mar 17, 1998
Doyle D. Gracey
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for forming threadings in a bushing which is used to secure...
Patent number
5,517,844
Issue date
May 21, 1996
Chin-Chen Yuan
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Thin wall steel cartridge cases
Patent number
5,130,207
Issue date
Jul 14, 1992
Alliant Tech Systems Inc.
Stanley R. Nelson
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Shell casing machine
Patent number
5,095,731
Issue date
Mar 17, 1992
General Ordnance Corporation
Bernard Greslin
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Manufacturing thin wall steel cartridge cases
Patent number
5,048,162
Issue date
Sep 17, 1991
Alliant Techsystems Inc.
Stanley R. Nelson
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Primer pocketing method for brass cartridge cases
Patent number
4,517,716
Issue date
May 21, 1985
Olin Corporation
Gerald E. Eberhart
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Small arms projectile
Patent number
4,517,897
Issue date
May 21, 1985
Schweizerische Eidgenossenschaft, Vertreten durch die Eidg. Munitionsfabrik T...
Beat Kneubuhl
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and apparatus for making tubular containers, at least substa...
Patent number
4,455,725
Issue date
Jun 26, 1984
Amcur N.V.
Petrus H. van Baal
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Metal tube and apparatus and method for manufacturing the same
Patent number
4,321,816
Issue date
Mar 30, 1982
Kyodo Insatsu Kabushiki Kaisha
Yoshihiko Nakahara
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of manufacturing cartridge cases
Patent number
4,296,536
Issue date
Oct 27, 1981
Reagent Chemical and Research, Inc.
David W. Hicke
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Process for producing tubular articles
Patent number
4,198,843
Issue date
Apr 22, 1980
Geoffrey M. Spence
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Can body for an aerosol container
Patent number
4,185,749
Issue date
Jan 29, 1980
Printal Oy
Matti Vartia
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Forging method
Patent number
3,977,225
Issue date
Aug 31, 1976
Aluminum Company of America
Richard Couchman
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
BORON STEEL HIGH-PRESSURE CARTRIDGE CASE
Publication number
20240042512
Publication date
Feb 8, 2024
Luvata Ohio Inc.
Brian Swank
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
BASE PART FOR PRODUCING A CARTRIDGE CASE AND CARTRIDGE CASE, METHOD...
Publication number
20230124564
Publication date
Apr 20, 2023
DIEHL METALL STIFTUNG & CO. KG
Stefan Wosch
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Stainless Steel Spray Boom for Aerial Spraying
Publication number
20220331820
Publication date
Oct 20, 2022
Texas Transland LLC
Calvin L. Kroes
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
BORON STEEL HIGH-PRESSURE CARTRIDGE CASE
Publication number
20220097124
Publication date
Mar 31, 2022
Luvata Ohio Inc.
Brian Swank
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method of Manufacturing A Cartridge Case
Publication number
20210148687
Publication date
May 20, 2021
US Strategic LLC
Michael H. Blank
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SHELL CASE DESIGN UTILIZING METAL INJECTION MOLDING
Publication number
20210129224
Publication date
May 6, 2021
Concurrent Technologies Corporation
Todd Skowron
B22 - CASTING POWDER METALLURGY
Information
Patent Application
IMPROVED PRESSED HEAD
Publication number
20210041211
Publication date
Feb 11, 2021
BAE Systems plc
Ian John Pennell
F42 - AMMUNITION BLASTING
Information
Patent Application
A METHOD OF HOT GAS FORMING AND HEAT TREATMENT FOR A TI2ALNB-BASED...
Publication number
20200078848
Publication date
Mar 12, 2020
Gang Liu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
LONG CARTRIDGE CASE
Publication number
20200056870
Publication date
Feb 20, 2020
NATIONAL MACHINERY LLC
Jeffrey W. Carper
F42 - AMMUNITION BLASTING
Information
Patent Application
Shell Case Design Utilizing Metal Injection Molding
Publication number
20180065183
Publication date
Mar 8, 2018
Concurrent Technologies Corporation
Todd Skowron
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
GAS STORAGE CONTAINER FOR INFLATOR AND PROCESS FOR MANUFACTURING SAME
Publication number
20180045370
Publication date
Feb 15, 2018
Toyoda Gosei Co., Ltd.
Kengo NAKASHIMA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
CARTRIDGE CASING
Publication number
20170307343
Publication date
Oct 26, 2017
BAE Systems plc
JAMES EDWARD BAXTER
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Puck Wear Detection
Publication number
20170028459
Publication date
Feb 2, 2017
Momentive Performance Materials Inc.
Matthew Louis Fitzgerald
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD AND APPARATUS FOR FORGING A HARD DISK DRIVE BASE PLATE WITH...
Publication number
20160296995
Publication date
Oct 13, 2016
CHEUNG WOH TECHNOLOGIES LTD.
Kung Ying LAW
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
PRECISION FORGED CARTRIDGE CASE
Publication number
20150174643
Publication date
Jun 25, 2015
NATIONAL MACHINERY LLC
Thomas E. Hay
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method for Producing a Gun Cartridge Casing
Publication number
20140298979
Publication date
Oct 9, 2014
Hans-Jürgen Neugebauer
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
PRECISION FORGED CARTRIDGE CASE
Publication number
20140083319
Publication date
Mar 27, 2014
NATIONAL MACHINERY LLC
Thomas E. Hay
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method for manufacture of a metal shell, and a cup designed to serv...
Publication number
20060112751
Publication date
Jun 1, 2006
Lennart Hakansson
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method of manufacturing an expansion sleeve
Publication number
20030060296
Publication date
Mar 27, 2003
Jurgen Wieser
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...