Patents Assigned to Joh. Moritz Rump
  • Installation for ground stabilization in hydraulic engineering
    Patent number: 4657432
    Abstract: A device for ground stabilizing in hydraulic engineering comprises a structural steel mat to the bars of which are clipped grass support elements which have an upwardly open trough-shape in which grass-like ribbon elements are held by a further bar fitted into the trough and gripped thereby.
    Type: Grant
    Filed: September 30, 1985
    Date of Patent: April 14, 1987
    Assignee: Joh. Moritz Rump Kommanditgesellschaft
    Inventors: Peter W. Rentrop, Gunter H. Trapp, Friedrich W. Dunker
  • Hand needle for knitting or crochet
    Patent number: 4607505
    Abstract: A needle for knitting or crochet includes a needle tip of a material resistant to bending and a flexible loop-receiving rod secured to the rear end of the needle tip. A node is provided at the rear end of the loop-receiving rod. The needle includes a loop braking element slidable positioned on the rod. The node precludes the loop braking element from slipping off the rod. The loop braking element is a ring or a disk formed with a radial bore receiving the rod therethrough and a recess in which the end of the rod can be snapped.
    Type: Grant
    Filed: November 1, 1985
    Date of Patent: August 26, 1986
    Assignee: Joh. Moritz Rump
    Inventors: Friedrich W. Dunker, Walter Ossenberg-Engels
  • Circular knitting needle
    Patent number: 4341094
    Abstract: A circular knitting needle includes two rigid tips interconnected by an intermediate flexible portion. Each of the tips is formed with a projection inserted into an elongated recess formed in each end of the intermediate portion. Each projection is provided with a lug having an outer cylindrical surface and each recess of the intermediate portion has three longitudinal contact surfaces which are in engagement with the outer cylindrical surface of the respective lug.
    Type: Grant
    Filed: December 12, 1979
    Date of Patent: July 27, 1982
    Assignee: Joh. Moritz Rump
    Inventor: Helmut Heide