Patents by Inventor Herbert C. Southoff

Herbert C. Southoff 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).

  • Abrasive pipe saw
    Patent number: 4777723
    Abstract: A portable pipe cutter primarily intended for concrete lined pipe includes a pair of annular tracks, which are mounted in fixed, parallel relationship to each other on a pipe, a pair of rectangular plates carrying rollers for movably mounting the plates on the tracks on opposite sides of a pipe to be cut, springs resiliently interconnecting the ends of the plates, a counterweight on one plate, a rotary cutter on the other plate with a blade outside of the plate, and a tension device for adjusting the tension on the blade so that actuation of the cutter causes the device to travel around the pipe while making a cut dependent on tension on the cutter.
    Type: Grant
    Filed: December 28, 1987
    Date of Patent: October 18, 1988
    Inventor: Herbert C. Southoff
  • Ground clamp adaptor
    Patent number: D314745
    Type: Grant
    Filed: February 22, 1988
    Date of Patent: February 19, 1991
    Inventor: Herbert C. Southoff