Patents by Inventor Josef Heft

Josef Heft 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: 4537455
    Abstract: The invention relates to an apparatus providing a means for the connection of filamentary or stranded wire electrical conductors to contact members such as cut-clamp elements extending from a printed circuit board, which apparatus accommodates a conductor transversely to its normal running direction in a detent slot open on one side, and in which the contact members are arranged on a base plate; a cover plate connectable with the base plate is provided in order to press a portion of a conductor line running between the base plate and cover plate into a detent slot and to maintain it in the pressed-in state between the base and cover plates.
    Type: Grant
    Filed: March 24, 1983
    Date of Patent: August 27, 1985
    Assignee: Siemens Aktiengesellschaft
    Inventors: Edward Vertenten, Josef Heft
  • Patent number: 4528749
    Abstract: For the purpose of producing ribbon cable connections a cable section, such as a cable end section, together with its insulation is extrusion-coated in the form of a block having channels extending at right angles relative to the cable. Cut/pinch contacts are impressed into the channels, the contacts contacting the cable leads and their connection sections projecting from the block. The block with the projecting contacts, in the form of pins, blades, contact springs and the like, can be directly employed as a pin, blade or spring strip which is connected to the ribbon cable, or can be employed for such purpose after being latched to an upper connector contact guide portion.
    Type: Grant
    Filed: April 27, 1983
    Date of Patent: July 16, 1985
    Assignee: Siemens Aktiengesellschaft
    Inventor: Josef Heft