Patents by Inventor Ken A. Johnson

Ken A. Johnson 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: 4982627
    Abstract: The present invention provides a color code tool identification method for the instant determination of the size of various types of hand tools and small cutting tools such as drill bits.A color chart is provided showing a range of ten colors. Each color indicates a particular numeral. The sequence of the indicated numerals providing a size designation for the tool. The method provides fractional inch size determination and also metric size determination. The method may be used alone or in conjunction with conventional marking methods.
    Type: Grant
    Filed: December 18, 1985
    Date of Patent: January 8, 1991
    Inventor: Ken A. Johnson
  • Patent number: 4640101
    Abstract: There is provided a portable refrigerating unit to be used for chilling beverages, the same having an outer shell insulated on the inside and an inner shell for holding a beverage container in close fitting relationship therewith. The inner shell is fabricated of a highly thermoconductive material, such as aluminum. The close fitting relationship with the beverage container allows an efficient conductive heat transfer when the outer surface of the inner shell is subjected to an evaporating refrigerant gas directed thereon by an evaporator tube that is mounted between the outer and inner shells. Refrigerant gas is supplied to the evaporator tube by a disposable pressurized refrigerant gas container. An ejector is provided for ejecting the beverage container after chilling.
    Type: Grant
    Filed: December 18, 1985
    Date of Patent: February 3, 1987
    Inventor: Ken A. Johnson