Patents by Inventor Joseph Alan Douthett

Joseph Alan Douthett has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Contoured thickness blank for ammunition cartridges
    Patent number: 8505457
    Abstract: An austenitic stainless steel ammunition cartridge includes an outer region and a base, wherein the outer region is about 50%-80% of the thickness of the base, which serves to minimize the sidewall ironing required to form the cartridge. The cartridge blank can be formed by spin forming, compression forming, grinding, or a combination thereof. Tooling to form the insert can include at least a pair of blocks and inserts, at least one insert defining a centrally positioned aperture.
    Type: Grant
    Filed: July 14, 2011
    Date of Patent: August 13, 2013
    Assignee: AK Steel Properties, Inc.
    Inventors: Daniel Keith Scherrer, Joseph Alan Douthett
  • Contoured Thickness Blank for Ammunition Cartridges
    Publication number: 20130025438
    Abstract: An austenitic stainless steel ammunition cartridge includes an outer region and a base, wherein the outer region is about 50%-80% of the thickness of the base, which serves to minimize the sidewall ironing required to form the cartridge. The cartridge blank can be formed by spin forming, compression forming, grinding, or a combination thereof. Tooling to form the insert can include at least a pair of blocks and inserts, at least one insert defining a centrally positioned aperture.
    Type: Application
    Filed: October 9, 2012
    Publication date: January 31, 2013
    Applicant: AK STEEL PROPERTIES, INC.
    Inventors: Daniel Keith Scherrer, Joseph Alan Douthett
  • Contoured Thickness Blank for Ammunition Cartridges
    Publication number: 20120012024
    Abstract: An austenitic stainless steel ammunition cartridge includes an outer region and a base, wherein the outer region is about 50%-80% of the thickness of the base, which serves to minimize the sidewall ironing required to form the cartridge. The cartridge blank can be formed by spin forming, compression forming, grinding, or a combination thereof. Tooling to form the insert can include at least a pair of blocks and inserts, at least one insert defining a centrally positioned aperture.
    Type: Application
    Filed: July 14, 2011
    Publication date: January 19, 2012
    Inventors: Daniel Keith Scherrer, Joseph Alan Douthett