Patents by Inventor Terry A. Prentice

Terry A. Prentice 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: 4916270
    Abstract: A metal cutting nozzle attachment for an inert gas welder converting the welder into a metal cutting apparatus having the welding flux core wire energized to become the cutting element and the nozzle being arranged to cause a sufficient increase in the velocity of an air stream passing therethrough to clear away the molten or cut metal.
    Type: Grant
    Filed: February 6, 1989
    Date of Patent: April 10, 1990
    Assignee: Century Mfg. Co.
    Inventors: John C. West, Terry A. Prentice
  • Patent number: 4896016
    Abstract: In connection with a plasma arc metal cutting apparatus, an electrode having vertical movement within a nozzle, said nozzle having a gas supply passing therethrough, an over-center spring mechanism holding the electrode in one operating position, a switch in one position energizing the electrode in engagement with the nozzle and said switch in a second position actuating the spring mechanism to snap the electrode to a position away from engagement with the nozzle and thus draw an arc between the electrode and the nozzle, the arc comprising a plasma flame to cut materials.
    Type: Grant
    Filed: April 24, 1989
    Date of Patent: January 23, 1990
    Assignee: Century Mfg. Co.
    Inventors: Daniel M. Broberg, Terry A. Prentice
  • Patent number: 4829223
    Abstract: A vehicle battery harness including a battery charger having a cable permanently attached to the electrical or battery system of a storage battery equipped vehicle, the cable having a terminal which can only be connected in a correct polarity with the battery charger for a safe connection to charge the battery of the vehicle.
    Type: Grant
    Filed: January 25, 1988
    Date of Patent: May 9, 1989
    Inventors: Daniel M. Broberg, Terry A. Prentice