Patents by Inventor Birger Laing

Birger Laing 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).

  • Device for the local cooling or heating of an object
    Publication number: 20040052663
    Abstract: A device for the local cooling or heating of an object by means of a fluid is disclosed. The device comprises a circulation pump for the fluid. A thermal contact element for making thermal contact with the object is integrated in the circulation pump.
    Type: Application
    Filed: May 7, 2003
    Publication date: March 18, 2004
    Applicant: Laing Thermotech, Inc.
    Inventors: Oliver Laing, Karsten Laing, Birger Laing
  • Secondary circulation system
    Patent number: 4682581
    Abstract: A domestic hot water system in which the remote end forms a loop connected to the hot water tank and in which a pump circulates hot water at a rate sufficient to prevent cooling of the water in the piping below a predetermined temperature, so that hot water can flow immediately out of all outlets.
    Type: Grant
    Filed: February 13, 1986
    Date of Patent: July 28, 1987
    Inventors: Karsten Laing, Doerte Laing, Birger Laing