Patents by Inventor Per Johan Maurits Persson

Per Johan Maurits Persson 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).

  • Portable cooling or heating apparatus and method of using same
    Patent number: 8258439
    Abstract: A portable heating and cooling apparatus and method of using the same wherein a temperature-set material is secured in a housing with both rigid and expandable sides. The housing is placed within a container which is so configured such that there is little or no disruption of the contact between the rigid surface and an object to be heated or cooled, whether such contact is direct or via some thermal conductive material.
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: September 4, 2012
    Assignee: Top Creation (Asia) Ltd.
    Inventors: Gregory Mak, Per Johan Maurits Persson