Patents by Inventor Erwin Pearson

Erwin Pearson 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 and apparatus for lining a conduit
    Patent number: 8667925
    Abstract: An apparatus is disclosed for locating an instrument within a pipe. The apparatus may include body portion defining a cavity therein, a pipe engagement region for slideable engagement with a pipe, and an instrument retention portion for receiving at least a portion of an instrument therein and retaining the instrument in position relative to the body. A method is also disclosed including the use of the apparatus to locate an instrument within a pipe.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: March 11, 2014
    Assignee: HTC Management Services, Ltd
    Inventors: Richard Christopher, Erwin Pearson
  • METHOD AND APPARATUS FOR LINING A CONDUIT
    Publication number: 20110024515
    Abstract: An apparatus is disclosed for locating an instrument within a pipe. The apparatus may include body portion defining a cavity therein, a pipe engagement region for slideable engagement with a pipe, and an instrument retention portion for receiving at least a portion of an instrument therein and retaining the instrument in position relative to the body. A method is also disclosed including the use of the apparatus to locate an instrument within a pipe.
    Type: Application
    Filed: February 23, 2009
    Publication date: February 3, 2011
    Inventors: Richard Christopher, Erwin Pearson