Patents by Inventor Stig Ronnerholm

Stig Ronnerholm 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).

  • Arrangement in climatization systems
    Patent number: 4412649
    Abstract: In a climatization system the influence of the outside air temperature is fed to a comparator which is also fed with a comparation voltage, successively variable during the starting time and obtained from a pulse generator of variable pulse-time-relation, and the climatization process is started at a balance point between the two voltages.
    Type: Grant
    Filed: April 5, 1982
    Date of Patent: November 1, 1983
    Assignee: Tour & Andersson Aktiebolag
    Inventors: Kjell Claesson, Stig Ronnerholm, Rolf Strand