Patents by Inventor Millard Cummins

Millard Cummins 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: 5482421
    Abstract: The invention consists of an improvement to a four-wheel device used to lift drums with compressed air stored in an on-board storage tank without special straps, tools or clamps that allows the operator to lift the drum with no physical stress and to roll the drum to another location with minimum effort and allows force measuring (weighing) of the drum.
    Type: Grant
    Filed: June 21, 1994
    Date of Patent: January 9, 1996
    Assignee: The Thurman Manufacturing Co.
    Inventors: Millard Cummins, Robert S. Korb
  • Patent number: 4488082
    Abstract: An incandescent electric light bulb is provided with two fittings, typically two opposed screw-threaded bases, each with two terminals. The bulb is provided with internal parallel conductors between corresponding terminals of the two fittings. One or more incandescent filaments is or are connected between the conductors within the bulb. Accordingly several of the bulbs may be connected fitting-to-fitting, electrically in parallel, with or without inter-bulb connectors, with no need for externally wired sockets between adjoining bulbs. Various fittings, connectors and supports are described.
    Type: Grant
    Filed: January 21, 1983
    Date of Patent: December 11, 1984
    Assignee: Invocas, Inc.
    Inventor: Millard Cummins