Patents by Inventor Robert W. Faid

Robert W. Faid 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).

  • Post-applied waterstop connection
    Patent number: 4064672
    Abstract: Distinct lengths of post-applied waterstop strips are spliced together by wrapping them in contour fitting flexible union shells provided with a solid baffle having a transverse cross-sectional shape identical to that of said strips. Conventional adhesive is placed on all contacting surface and the two-strip assembly is then secured by means of bars and bolts.
    Type: Grant
    Filed: June 7, 1976
    Date of Patent: December 27, 1977
    Assignee: W. R. Grace & Co.
    Inventors: Robert W. Faid, William F. Reinhart
  • Post-applied waterstop
    Patent number: 4059935
    Abstract: Waterstop for use in jump or slip casting of concrete comprising two strips of T-shaped transverse cross-section which can be fastened together by means of bars and bolts after the first strip has been embedded at the edge of a concrete mass. After fastening the second strip to the first, the second mass of concrete is poured to embed said second strip.
    Type: Grant
    Filed: June 7, 1976
    Date of Patent: November 29, 1977
    Assignee: W. R. Grace & Co.
    Inventor: Robert W. Faid