Patents by Inventor Bertil Holmgren

Bertil Holmgren 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).

  • Controlling the microwave heating of flowing blood as a function of heated blood temperature
    Patent number: 3963892
    Abstract: Blood is heated by microwaves confined inside a chamber into which the blood is passed.
    Type: Grant
    Filed: June 13, 1973
    Date of Patent: June 15, 1976
    Assignee: Camph Engineering Company AB
    Inventors: Sven Erik Camph, Kjell Ake Bertil Holmgren
  • Mine anchor
    Patent number: 3951064
    Abstract: A submarine buoyant mine is anchored at a predetermined depth under water by means of an air driven cable drive assembly which pulls in a measured length of cable to set the depth after the mine is launched and the anchor is at the bottom.
    Type: Grant
    Filed: May 7, 1974
    Date of Patent: April 20, 1976
    Assignee: Aktiebolaget Thulinverken
    Inventors: Jan Bjork, Kjell Ake Bertil Holmgren