Patents by Inventor James Stepp

James Stepp 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: 20240327616
    Abstract: A method for producing an engineered crumb rubber asphalt additive may comprise the steps of adding a non-elastomeric liquid to a plurality of structural particles and mixing the non-elastomeric liquid and the plurality of structural particles for a short period of time so that the non-elastomeric liquid coats a least a portion of the surface of the plurality of the structural particles. The structural particles may be crumb rubber particles.
    Type: Application
    Filed: June 10, 2024
    Publication date: October 3, 2024
    Inventors: James Stepp, Redmond Clark
  • Publication number: 20190256417
    Abstract: An engineered crumb rubber asphalt additive may comprise a plurality of a structural particles and a non-elastomeric liquid. At least a portion of the surface of the structural particles is coated with the non-elastomeric liquid. The structural particles may be crumb rubber particles. The engineered crumb rubber asphalt additive may also comprise a reagent. The non-elastomeric liquid may be selected from the group consisting of workability/compaction agents, slipping agents, and anti-stripping agents.
    Type: Application
    Filed: February 22, 2019
    Publication date: August 22, 2019
    Inventors: James Stepp, Redmond Clark