Patents by Inventor Lawrence S. Silva

Lawrence S. Silva 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).

  • Patent number: 5358283
    Abstract: A split connector for joining pipe elements insitu including a first pipe element and a second pipe element positioned in a structure, a pair of matched semi circular body elements of semicircular construction adapted for forming a generally circular coupling connector having a cylindrical body and including an internal facing surface divided at the mid point, the first half adapted to engage a tubular end of the first pipe element and the second half adapted to engage the second pipe element, having wedge, members for connecting the first body element to the second body element and a pair of female grooves on the second half cylinder for forming a unitary axially-split collar having water tight seams; and including an internal shoulder capable of engaging a lug the first pipe section with fastening provided by adhesive applied to the pipe ends and the facing surfaces of the split connectors for providing a watertight seal and structural strength of the piping components; wherein the pair of matched semi circ
    Type: Grant
    Filed: June 21, 1993
    Date of Patent: October 25, 1994
    Inventor: Lawrence S. Silva