Patents by Inventor David Waliquist

David Waliquist 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: 20090052986
    Abstract: In one aspect of the invention, an apparatus for reconditioning a paved surface, has a vehicle adapted to traverse the paved surface. The vehicle has a manifold with a plurality of high pressure nozzles adapted to indent the paved surface. At least one nozzle is formed in a nozzle body with a distal end having a hard material with a hardness of at least 2,000 HK. The at least one nozzle is also in fluid communication with a fluid reservoir through a fluid pathway. The apparatus has a pressurizing mechanism and a heating mechanism for pressurizing and heating fluid in the fluid pathway.
    Type: Application
    Filed: August 20, 2007
    Publication date: February 26, 2009
    Inventors: David R. Hall, David Waliquist, Thomas Morris