Patents by Inventor TODD DAENZER

TODD DAENZER 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).

  • Publication number: 20250305079
    Abstract: The present invention relates generally to steel compositions for rimfire ammunition cartridges, methods of manufacturing the compositions and using the compositions to produce the rimfire ammunition cartridges. The steel compositions for use in the rimfire cartridges are processed through cold-rolling and annealing steps to create suitable physical properties. The steel compositions can be plated for corrosion resistance following formation of the rimfire cartridges.
    Type: Application
    Filed: June 9, 2025
    Publication date: October 2, 2025
    Inventors: Douglas B. CAMPBELL, Todd DAENZER
  • Patent number: 12331372
    Abstract: The present invention relates generally to steel compositions, methods of manufacturing the compositions and using the compositions to produce rimfire ammunition cartridges. The steel compositions for use in the rimfire cartridges are processed through cold-rolling and annealing steps to create suitable physical properties.
    Type: Grant
    Filed: January 23, 2024
    Date of Patent: June 17, 2025
    Assignee: GREER STEEL COMPANY
    Inventors: Douglas B. Campbell, Todd Daenzer
  • Publication number: 20240158878
    Abstract: The present invention relates generally to steel compositions, methods of manufacturing the compositions and using the compositions to produce rimfire ammunition cartridges. The steel compositions for use in the rimfire cartridges are processed through cold-rolling and annealing steps to create suitable physical properties.
    Type: Application
    Filed: January 23, 2024
    Publication date: May 16, 2024
    Inventors: Douglas B. CAMPBELL, Todd DAENZER
  • Patent number: 11905569
    Abstract: The present invention provides steel compositions, methods of manufacturing the compositions and using the compositions to produce rimfire ammunition cartridges. The steel compositions are substitutes for conventional brass used in the manufacture of rimfire ammunition cartridges and, in particular, for use in .22 caliber firing devices. Also provided are methods of processing and treating the steel compositions for use in the rimfire cartridges that include cold-rolling and annealing steps to create suitable physical properties.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: February 20, 2024
    Assignee: GREER STEEL COMPANY
    Inventors: Douglas B. Campbell, Todd Daenzer
  • Publication number: 20200299795
    Abstract: The present invention relates generally to steel compositions, methods of manufacturing the compositions and using the compositions to produce rimfire ammunition cartridges. The steel compositions for use in the rimfire cartridges are processed through cold-rolling and annealing steps to create suitable physical properties.
    Type: Application
    Filed: June 8, 2020
    Publication date: September 24, 2020
    Applicant: GREER STEEL COMPANY
    Inventors: DOUGLAS B. CAMPBELL, TODD DAENZER
  • Patent number: 10676801
    Abstract: The present invention relates generally to steel compositions, methods of manufacturing the compositions and using the compositions to produce rimfire ammunition cartridges. The steel compositions for use in the rimfire cartridges are processed through cold-rolling and annealing steps to create suitable physical properties.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: June 9, 2020
    Assignee: Greer Steel Company
    Inventors: Douglas B. Campbell, Todd Daenzer
  • Publication number: 20160186281
    Abstract: The present invention relates generally to steel compositions, methods of manufacturing the compositions and using the compositions to produce rimfire ammunition cartridges. The steel compositions for use in the rimfire cartridges are processed through cold-rolling and annealing steps to create suitable physical properties.
    Type: Application
    Filed: December 16, 2015
    Publication date: June 30, 2016
    Applicant: GREER STEEL COMPANY
    Inventors: DOUGLAS B. CAMPBELL, TODD DAENZER