Patents by Inventor Frederick E. Maul

Frederick E. Maul 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: 4376229
    Abstract: Flexible electrical shielding conduit and method for making same wherein the conduit comprises multiple layers including a flexible conduit tubing outer layer, an electrical shielding layer disposed within the tubing and in contact with the conduit layer, and a woven retaining layer inside the shielding layer, said woven retaining layer expanding radially outwardly when compressed axially continuously forcing the shielding layer into contact with the conduit tubing to provide an unobstructed passageway therethrough. An alternative embodiment and the method for making same wherein the electrical shielding layer and the retaining layer are combined to form an integral inner layer having the properties as described above.
    Type: Grant
    Filed: September 16, 1980
    Date of Patent: March 8, 1983
    Assignee: Raychem Corporation
    Inventors: Frederick E. Maul, Edward P. Goett