Patents by Inventor John A. Gerd

John A. Gerd 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: 5860220
    Abstract: An apparatus for indicating lines along which cuts are to be made on a pipe has a clamp for attaching to the pipe. A longitudinal guide is fixedly attached to the clamp and a first bracket is slideably releasably coupled to the longitudinal guide at one of a plurality of locations. A pivot arm pivotally coupled to the first bracket and has a second bracket slideably coupled thereto at one of a plurality of positions. A laser attached to the second bracket projects a beam of light onto a surface of the pipe. A the pivot arm is rotated with respect to the first bracket the laser beam traces a line on the pipe along which a cut should be made. A marker is used to mark the line traced by the laser beam.
    Type: Grant
    Filed: June 12, 1997
    Date of Patent: January 19, 1999
    Inventor: John A. Gerd