Patents by Inventor Robert C. Angel

Robert C. Angel 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).

  • Road vehicle-actuated air compressor
    Patent number: 5634774
    Abstract: A vehicle or pedestrian operated air compressor which utilizes flaps mounted in pairs in a road or pedestrian walkway surface. When traffic moves over the flaps, they move downward to activate a piston which compresses air. The compressed air can be stored in a container and used as needed to generate electricity or activate other machinery.
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: June 3, 1997
    Inventors: Robert C. Angel, Jesus Gomez