Patents by Inventor Heimo K. Pesonen

Heimo K. Pesonen 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).

  • Easily maintained bubble-cap column for the distillation of clogging and high-sediment liquids
    Patent number: 4207276
    Abstract: A bubble-cap column for the distillation of high-sediment or clogging liquids is disclosed, in which the bubble-cap structures comprising a bubble-cap and a neck are detachable and removable from the column and lined with polytetrafluoroethylene.
    Type: Grant
    Filed: October 4, 1978
    Date of Patent: June 10, 1980
    Assignee: Oy Alko AB
    Inventors: Pentti P. Ronkainen, Olavi A. Leppanen, Kyosti T. Vento, Heimo K. Pesonen