Patents Assigned to Infi-Shield Inc.
  • Method for sealing a pipe juncture
    Patent number: 5531485
    Abstract: A method and article for sealing a manhole riser, a catch basin, and a pipe juncture. The method is an economical process whereby elastomeric bands are placed around a manhole riser, a catch basin, or a pipe juncture and effectively seals the manhole riser, catch basin, or pipe juncture from loss of water or infiltration of water and other contaminants.
    Type: Grant
    Filed: September 19, 1994
    Date of Patent: July 2, 1996
    Assignee: Infi-Shield Inc.
    Inventors: Jeffrey W. House, William P. House, William K. House