Patents by Inventor Hakan L. Karlsson

Hakan L. Karlsson 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).

  • Cooling device and method therefore for CO2 washing machine
    Patent number: 10352591
    Abstract: The present invention relates to a cooling unit for cooling fluid in a dry cleaning system and a method therefore. The cooling unit (12) comprises a device (1, 7, 8) containing cooled fluid such as carbon dioxide, and a tube section (11) for conveying the fluid from a first compressor stage (2) to a second compressor stage (3), arranged so that the fluid in the tube section (11) is cooled by the cooled fluid in the device (1, 7, 8).
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: July 16, 2019
    Assignee: Electrolux Laundry Systems Sweden AB
    Inventors: Ahmed Al Jassani, Hakan L. Karlsson, Sten Hakan Almstrom
  • COOLING DEVICE AND METHOD THEREFORE FOR CO2 WASHING MACHINE
    Publication number: 20150168023
    Abstract: The present invention relates to a cooling unit for cooling fluid in a dry cleaning system and a method therefore. The cooling unit (12) comprises a device (1, 7, 8) containing cooled fluid such as carbon dioxide, and a tube section (11) for conveying the fluid from a first compressor stage (2) to a second compressor stage (3), arranged so that the fluid in the tube section (11) is cooled by the cooled fluid in the device (1, 7, 8).
    Type: Application
    Filed: May 27, 2011
    Publication date: June 18, 2015
    Applicant: ELECTROLUX LAUNDRY SYSTEMS SWEDEN AB
    Inventors: Ahmed Al Jassani, Hakan L. Karlsson, Sten Hakan Almstrom
  • COOLING DEVICE AND METHOD THEREFORE FOR CO2 WASHING MACHINES
    Publication number: 20130167558
    Abstract: The present invention relates to a dry cleaning apparatus comprising an arrangement for cooling fluid being used as solvent in the apparatus, and a method for cooling the fluid.
    Type: Application
    Filed: May 27, 2011
    Publication date: July 4, 2013
    Applicant: ELECTROLUX LAUNDRY SYSTEMS SWEDEN AB
    Inventors: Ahmed Al Jassani, Hakan L. Karlsson