Patents by Inventor Ulf Lidbeck

Ulf Lidbeck 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: 5657639
    Abstract: The present invention provides a refrigeration process and apparatus which includes refrigeration means detachably connected by conduits, preferably insulated, to a series of individually refrigerated compartments, preferably drawer units, having evacuation conduits also detachably connected to the drawer units to direct circulating cold air flow through each individual drawer without a vast unrestricted flow of cold air throughout a refrigerator housing.
    Type: Grant
    Filed: June 13, 1995
    Date of Patent: August 19, 1997
    Inventor: Ulf Lidbeck