Patents by Inventor Rudolph Koehler

Rudolph Koehler 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: 4408813
    Abstract: A cube tap has a cover secured thereto by a flexible tether which permits a user to seal off outlets in different faces of the cube tap. The cube tap, cover and tether may be unipartitely molded.
    Type: Grant
    Filed: September 4, 1981
    Date of Patent: October 11, 1983
    Assignee: Noma Canada Ltd.
    Inventor: Rudolph Koehler
  • Patent number: 3963822
    Abstract: Electrical lamp sockets are moulded on and around elongated mutually insulated conductors to which the socket contacts are connected before moulding; the contacts being firmly embedded in the socket material. A transfer turntable carries a plurality of supports for mounting the socket contacts in spaced relation thereon; each support being successively brought to a moulding station and co-operation with mould elements to form a mould for the socket. The conductors are entrained through the moulding station and impaled on points of the contacts at said station prior to fully closing the mould and injecting the moulding charge.
    Type: Grant
    Filed: September 12, 1969
    Date of Patent: June 15, 1976
    Assignee: Noma Lites Canada Limited
    Inventors: Henry T. Beck, Rudolph Koehler