Patents by Inventor Terence R. Regan

Terence R. Regan 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).

  • Method for subsurface vapor extraction
    Patent number: 5439594
    Abstract: Methods for vacuum extraction of contaminants from subsurface media which involves vacuum withdrawal through a conduit, of vaporized contaminant, assisted by a tube for allowing air bubbles to flow through the liquid-phase hydrocarbon zone thereby causing enriched hydrocarbon vapors to be extracted through the vacuum applied to the conduit.
    Type: Grant
    Filed: June 23, 1993
    Date of Patent: August 8, 1995
    Assignee: Geraghty & Miller, Inc.
    Inventors: Terence R. Regan, Boris Dynkin