Patents by Inventor Ralph Allen

Ralph Allen 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: 4334729
    Abstract: An electrical penetrator assembly for conveying electrical wires through a wall which separates a hostile environment from an adjacent environment suitable for access by human operators. The assembly comprises a unique modular construction formed by a plurality of lead disks each having at least one aperture of axial direction and location appropriate to form a continuous spiraling passageway that is skewed with respect to the axis of the penetrator along at least portions thereof to substantially reduce or eliminate inadvertent escape of the hostile environment through the assembly. The assembly also comprises a positionable connector platform on which connector assemblies provide suitable interconnecting pin structure to mate wires contained within the penetrator to interconnecting cables within the hostile environment.
    Type: Grant
    Filed: February 11, 1980
    Date of Patent: June 15, 1982
    Assignee: Kortech Engineering, Inc.
    Inventors: Ralph A. Allen, Donald S. Madden, John T. Zylkowski
  • Patent number: 4024298
    Abstract: An improved method for manufacturing a charge image storage dielectric capable of bistable storage is described. The storage dielectric is made by coating phosphor particles with a secondary emissive-forming substance, and then heating the coated particles to form secondary emissive material and simultaneously bond it to the surface of the phosphor particles.
    Type: Grant
    Filed: April 19, 1976
    Date of Patent: May 17, 1977
    Assignee: Tektronix, Inc.
    Inventor: Ralph Allen Mossman