Patents by Inventor Gerardus Joachim Maria VAN DEN Boogaard

Gerardus Joachim Maria VAN DEN Boogaard 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: 4104484
    Abstract: A conductor lead-through for elongated bodies, such as electric current conductors, which conductor lead-through is vacuum tight and contains no welded joints and is particularly suitable for use with difficultly weldable or non-weldable combinations of materials, said conductor lead-through comprising an assembly of parts including a cover, an intermediate ring engaging one end of the cover and a seal, such as an O-ring seal, the latter being fitted about said cover, said parts of said assembly being retained together and secured in an opening for that purpose by means of a clamp ring the periphery of which engages the wall of the opening.
    Type: Grant
    Filed: May 13, 1976
    Date of Patent: August 1, 1978
    Assignee: Ultra Centrifuge Nederland N.V.
    Inventors: Hendrik Jan Ijlstra, Gerardus Joachim Maria VAN DEN Boogaard