Patents by Inventor Don Bass

Don Bass 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).

  • Mixture control unit for use with the control system of a soil venting apparatus
    Patent number: 5101799
    Abstract: The invention provides a mixture control system for controlling the flow of vaporized hydrocarbons drawn into an engine for combustion and combining a supplemental fuel with the vaporized hydrocarbons as required to maintain a near stoichiometric mixture.
    Type: Grant
    Filed: August 12, 1991
    Date of Patent: April 7, 1992
    Assignee: VR Systems, Inc.
    Inventors: Thomas L. Davis, Richard Baverstock, Don Bass
  • Mixture control unit system for soil venting apparatus
    Patent number: 5070850
    Abstract: The invention provides a mixture control system for controlling the flow of vaporized hydrocarbons drawn into an engine for combustion and combining a supplemental fuel with the vaporized hydrocarbons as required to maintain a near stoichiometric mixture.
    Type: Grant
    Filed: April 20, 1990
    Date of Patent: December 10, 1991
    Assignee: VR Systems, Inc.
    Inventors: Thomas L. Davis, Richard Baverstock, Don Bass