Patents by Inventor David B. Sawyer

David B. Sawyer 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).

  • Automated processing of service requests using structured messaging protocols
    Patent number: 8700781
    Abstract: A method for processing an incoming message in substantially real-time is provided. The method may include receiving the incoming message in response to a condition associated with a client device. The incoming message may be processed using a message handler and an approved rule. The approved rule may be operatively associated with an approved message structure that is compatible with a backend system. The processed message may be provided to the backend system in the approved message structure. The method may also include sending a reply message to a destination.
    Type: Grant
    Filed: May 17, 2005
    Date of Patent: April 15, 2014
    Assignee: Verizon Business Global LLC
    Inventors: David B. Sawyer, Ronnie D. King, Jr., Gopinath Srinivasan, Richard S. Bice, Jon P. Brusseau, Richard L. LaCourse, Herbert T. Raffaele
  • Rotary vane pump with carbon/carbon vanes
    Patent number: 5181844
    Abstract: A rotary sliding vane pump having vanes fabricated from a carbon/carbon based material that provides improved performance by inhibiting vane wear, chipping or fracture. The advantages provided by carbon/carbon based materials may be further enhanced by impregnating each carbon/carbon sliding vane with a teflon based coating.
    Type: Grant
    Filed: August 15, 1991
    Date of Patent: January 26, 1993
    Assignee: Sigma Tek, Inc.
    Inventors: Jerry B. Bishop, Francis A. Schwind, David B. Sawyer