Patents Examined by Mal Shulman
  • Method and apparatus for the recovery of ammonia refrigerant
    Patent number: 5916249
    Abstract: A method of and apparatus for recovery of ammonia refrigerant using paired evaporation condensation processes in which an essentially closed water loop is used to efficiently transfer heat energy from the evaporation process to the condensation process and which further allows excess heat to be purged from the system by evaporation of water in a forced draft condenser.
    Type: Grant
    Filed: April 23, 1997
    Date of Patent: June 29, 1999
    Inventor: H. Wayne Baker
  • Refrigerator with several lockable compartments
    Patent number: 5910163
    Abstract: The invention relates to a refrigerator with several cooling compartments (1 to 12), each of which can be closed by a flap (1' to 12'). When a door (30) is manipulated into its closed position, the flaps (1' to 12') are moved into their closed state by the door (30).
    Type: Grant
    Filed: September 25, 1997
    Date of Patent: June 8, 1999
    Assignee: Accumulata Verwaltungsgesellschaft mbH
    Inventor: Hans Schlamp