Patents by Inventor Birgitta Jna Kidblad

Birgitta Jna Kidblad 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).

  • Thawing method in microwave oven
    Patent number: 6764702
    Abstract: A microwave oven and a method of processing frozen food in a microwave oven (1), which microwave oven comprises a microwave source (3), an oven cavity (2), and a control unit (5). The control unit is provided with an input signal containing information about the weight of the food, and causes the microwave source to feed microwaves at high average power into the oven cavity during a first time interval as well as a second time interval, which are separated by a waiting period, so that the foodstuff will be essentially thawed by the end of the second time interval.
    Type: Grant
    Filed: July 12, 2001
    Date of Patent: July 20, 2004
    Assignee: Whirlpool Corporation
    Inventors: Per Åke Tõrngren, Birgitta Jna Kidblad