Patents by Inventor Andrew KREFTA

Andrew KREFTA 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).

  • Electrochemical apparatus for producing disinfectant
    Patent number: 11214879
    Abstract: An electrochemical apparatus for the production of a disinfectant from sodium chloride solution.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: January 4, 2022
    Assignee: H2ENVIRO LLC
    Inventors: Joseph A. Edgar, Andrew Krefta
  • ELECTROCHEMICAL APPARATUS FOR PRODUCING DISINFECTANT
    Publication number: 20190136394
    Abstract: An electrochemical apparatus for the production of a disinfectant from sodium chloride solution.
    Type: Application
    Filed: May 8, 2017
    Publication date: May 9, 2019
    Applicant: H2envirO LLC
    Inventors: Joseph A. EDGAR, Andrew KREFTA