Patents by Inventor Ingmar N. Kallin

Ingmar N. Kallin 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).

  • Thrust bearing
    Patent number: 4358168
    Abstract: A thrust bearing comprises a pair of bearing members and an intermediate seat member. The two bearing members are mountable to a rotating shaft and each includes a substantially spherical bearing surface. The seat member is held between the bearing members, but is free of said rotating shaft. This seat member has oppositely facing, substantially spherical bearing surfaces for mating with and bearing against the substantially spherical bearing surfaces of the two bearing members.
    Type: Grant
    Filed: December 8, 1980
    Date of Patent: November 9, 1982
    Assignee: Chore-Time Equipment, Inc.
    Inventor: Ingmar N. Kallin