Patents by Inventor Jan Bertholdt Hansen

Jan Bertholdt Hansen 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).

  • Heat cushion
    Patent number: 8303638
    Abstract: A cushion (1) includes a flexible cover (2) defining a chamber (15). A water-absorbing material (3) is placed inside the chamber, upon absorption of water said water-absorbing material is suitable for heating by means of microwaves. The cover (2) has a sealable feeding mouth (4) so that water may be poured into the chamber (15).
    Type: Grant
    Filed: August 30, 2006
    Date of Patent: November 6, 2012
    Assignee: Jens Harder Hojbjerg
    Inventors: Jens Harder Højbjerg, Jan Bertholdt Hansen
  • HEAT CUSHION
    Publication number: 20090157154
    Abstract: A cushion (1) includes a flexible cover (2) defining a chamber (15). A water-absorbing material (3) is placed inside the chamber, upon absorption of water said water-absorbing material is suitable for heating by means of microwaves. The cover (2) has a sealable feeding mouth (4) so that water may be poured into the chamber (15).
    Type: Application
    Filed: August 30, 2006
    Publication date: June 18, 2009
    Inventors: Jens Harder Hojbjerg, Jan Bertholdt Hansen