Patents by Inventor Robert Pulse

Robert Pulse 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).

  • Coupling device for sewer and drain cleaning cable
    Patent number: 5618123
    Abstract: The coupling device for coupling a cable of a sewer and drain cleaning machine to a cutting tool comprises a housing, a cable connecting mechanism for connecting the cable to the housing, a cutting tool connecting mechanism for rotatably connecting the cutting tool to the housing, and a breakable drive mechanism for driving the cutting tool when the cable and the housing are rotated and breaking when a predetermined amount of torque is applied between the housing and the cutting tool, the predetermined amount of torque being less than the amount of torque needed to break the cable.
    Type: Grant
    Filed: August 11, 1995
    Date of Patent: April 8, 1997
    Assignee: Pettibone Corporation
    Inventor: Robert Pulse