Patents by Inventor Maurice P. G. Lubbock

Maurice P. G. Lubbock 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).

  • Apparatus for vacuum impregnation of a flexible, hollow tube
    Patent number: 5699838
    Abstract: An apparatus and method for removing air from a tube to improve the impregnation of the tube with a curable resin or other viscous fluid used in cured-in-place pipe rehabilitation. Also, a perforated needle for use in vacuum impregnation and a method of evacuating air from a flexible tube, particularly a lining tube used for rehabilitation of underground conduits.
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: December 23, 1997
    Assignee: Inliner, U.S.A.
    Inventors: Giulio Catallo, Joe V. Cihlar, Maurice P. G. Lubbock