Patents by Inventor Antonius P. Haverkamp

Antonius P. Haverkamp 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).

  • Device for rendering a cable longitudinally watertight
    Patent number: 4397624
    Abstract: A device for rendering cables such as electric cables, telecommunication cables, optical cables, longitudinally watertight by the block-wise application of a sealing compound into the cable core by means of an intermittently displaceable nozzle which is periodically displaced by a driving element, the speed of the driving element being synchronized with the linear speed of the cable core.
    Type: Grant
    Filed: October 28, 1981
    Date of Patent: August 9, 1983
    Assignee: U.S. Philips Corporation
    Inventors: Antonius P. Haverkamp, Klaas W. Kerkhof