Patents by Inventor Jack L. Edwards

Jack L. Edwards 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).

  • Concrete admixture device and method of using same
    Patent number: 5120367
    Abstract: A device comprising a solid or powdered concrete admixture contained in a water-soluble container such that when the container and its contents are introduced into a wet mixer and agitated for a period of time, the water-soluble container is dissolved and the contents are released into the wet mixer. A separate water-insoluble receptacle is used to house and store the water-soluble container and its contents. In addition, there is disclosed a method for modifying the properties of a concrete by introducing a pre-weighed amount of solid admixture contained in a water-soluble container into a wet mixer and thereafter agitating the resulting mix.
    Type: Grant
    Filed: October 4, 1990
    Date of Patent: June 9, 1992
    Assignee: Fritz Chemical Company
    Inventors: Dwight Smith, Jack L. Edwards
  • Concrete admixture device and method of using same
    Patent number: 4961790
    Abstract: A device comprising a solid or powdered concrete admixture contained in a water-soluble container such that when the container and its contents are introduced into a wet mixer and agitated for a period of time, the water-soluble container is dissolved and the contents are released into the wet mixer. A separate water-insoluble receptacle is used to house and store the water-soluble container and its contents. In addition, there is disclosed a method for modifying the properties of a concrete by introducing a pre-weighed amount of solid admixture contained in a water-soluble container into a wet mixer and thereafter agitating the resulting mix.
    Type: Grant
    Filed: May 19, 1989
    Date of Patent: October 9, 1990
    Assignee: Fritz Chemical Company
    Inventors: Dwight Smith, Jack L. Edwards