Patents by Inventor William D. Holder

William D. Holder 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: 20240257486
    Abstract: The present disclosure generally relates to techniques for interacting with virtual avatars and/or user representations.
    Type: Application
    Filed: December 20, 2023
    Publication date: August 1, 2024
    Inventors: Karen EL ASMAR, Amy E. DEDONATO, Stephen O. LEMAY, Peter D. ANTON, William A. SORRENTINO, III, Wesley M. HOLDER, Jason D. RICKWALD
  • Patent number: 4087212
    Abstract: A conventional pumping unit is mounted at ground level, to which is attached a hollow sucker rod that extends through a tubing string to the production level of the well. Integral with the tubing string is provided a pump barrel, with communication between the production formation and the tubing string being effected across a ball and seat check valve.Secured to the lower extremity of the hollow sucker rod is an elongated sleeve-like pump housing having a sealing element at the lower extremity thereof establishing a seal between the pump housing and the pump barrel. Intermediate the extremities of the hollow pump body is formed a plurality of elongated slot-like ports extending parallel with the longitudinal axis of the pump body. An elongated traveling piston is located for reciprocal movement within the pump body and is also provided with a seal at the lower extremity thereof for establishing a sealed relationship with the pump barrel.
    Type: Grant
    Filed: May 4, 1976
    Date of Patent: May 2, 1978
    Inventor: William D. Holder