Patents by Inventor Bengt Hj. Tornblom

Bengt Hj. Tornblom 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).

  • Apparatus for magnetically detecting faults in metal bodies utilizing a multiphase generator to generate a rotating field in the body
    Patent number: 3944911
    Abstract: An improved device for magnetically detecting and locating defects in metal bodies such as shafts, tubes, strips, sheets etc., in which a multiphase generator is used to generate a traveling field such as a rotating or linearly traveling field in the body being tested and in which means are provided to sense any assymetry in the resulting magnetic field resulting from eddy currents induced in the object such as to permit determining the location and nature of the fault from the electrical signals obtained.
    Type: Grant
    Filed: June 18, 1974
    Date of Patent: March 16, 1976
    Assignee: Allmanna Svenska Elektriska Aktiebolaget
    Inventor: Bengt Hj. Tornblom