Patents by Inventor Karl E. B. Lundell

Karl E. B. Lundell 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).

  • Patent number: 4257315
    Abstract: An assembly comprising an inner and an outer cylindrical members, the inner member being displaceable within the outer member and provided with an annular recess, a locking ring being housed in the recess to allow displacement of the inner member in a first direction but locking the members relative one another upon attempt to displace the inner member in a second direction.
    Type: Grant
    Filed: December 11, 1979
    Date of Patent: March 24, 1981
    Assignee: Forenade Fabriksverken
    Inventors: Claes-Gustav E. Y. Tisell, Karl E. B. Lundell, Sven H. N. Horner, Gustav Y. Thorstensson, Gustav S. E. Karlstedt
  • Patent number: 4242945
    Abstract: An assembly comprising an inner and an outer cylindrical members, the inner member being displaceable within the outer member and provided with an annular recess, a locking ring being housed in the recess to allow displacement of the inner member in a first direction but locking the members relative one another upon attempt to displace the inner member in a second direction.
    Type: Grant
    Filed: September 8, 1976
    Date of Patent: January 6, 1981
    Assignee: Forenade Fabriksverken
    Inventors: Claes-Gustav E. Y. Tisell, Karl E. B. Lundell, Sven H. N. Horner, Gustav Y. Thorstensson, Gustav S. E. Karlstedt