Patents by Inventor Lawrence N. McNeal

Lawrence N. McNeal 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: 4495690
    Abstract: A tool is provided for seating "O" rings in flanged pipe. An "O" ring positioning plate is held between two parallel facing plates. A flexible "O" ring support band is mounted in the tool and holds the "O" ring tightly against an arcuate cut in the lower surface of the "O" ring positioning plate. A support member is included to support the tool on the pipe's flange.
    Type: Grant
    Filed: August 24, 1983
    Date of Patent: January 29, 1985
    Inventor: Lawrence N. McNeal
  • Patent number: 4495689
    Abstract: A tool is provided for positioning an "O" ring in a seating groove cut into the face of a section of flanged pipe. The tool includes a set of two adjustable tongs to grasp the "O" ring. The tongs are held in a fixed position by a pair of parallel facing plates. Bolts running through the parallel facing plates also run through a verticle plate of a support member which secures the tool to the flange.
    Type: Grant
    Filed: August 24, 1983
    Date of Patent: January 29, 1985
    Inventors: Lawrence N. McNeal, Robin A. McNeal