Patents by Inventor Leonard Timothy Sperry, III

Leonard Timothy Sperry, III 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).

  • Carbon dioxide-capturing cement compositions and related methods
    Patent number: 11931693
    Abstract: Cement compositions that can capture carbon dioxide and related methods are generally described.
    Type: Grant
    Filed: September 23, 2022
    Date of Patent: March 19, 2024
    Assignee: Carbon Limit Co.
    Inventor: Leonard Timothy Sperry, III
  • CARBON DIOXIDE-CAPTURING CEMENT COMPOSITOINS AND RELATED METHODS
    Publication number: 20230271135
    Abstract: Cement compositions that can capture carbon dioxide and related methods are generally described.
    Type: Application
    Filed: September 23, 2022
    Publication date: August 31, 2023
    Applicant: Carbon Limit Co.
    Inventor: Leonard Timothy Sperry, III
  • CARBON DIOXIDE-CAPTURING CEMENT COMPOSITIONS AND RELATED METHODS
    Publication number: 20230271882
    Abstract: Cement compositions that can capture carbon dioxide and related methods are generally described.
    Type: Application
    Filed: August 24, 2022
    Publication date: August 31, 2023
    Applicant: Carbon Limit Co.
    Inventor: Leonard Timothy Sperry, III
  • CARBON DIOXIDE-CAPTURING CEMENT COMPOSITIONS AND RELATED METHODS
    Publication number: 20230271134
    Abstract: Cement compositions that can capture carbon dioxide and related methods are generally described.
    Type: Application
    Filed: August 24, 2022
    Publication date: August 31, 2023
    Applicant: Carbon Limit Co.
    Inventor: Leonard Timothy Sperry, III