Patents by Inventor Warren E. Sevrence

Warren E. Sevrence 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: 4657521
    Abstract: A flexible cable conduit having an anti-friction liner adapted to surround a movable core. The liner in turn is surrounded by a plurality of spiraled lay wires. The lay wires in turn are surrounded by a spiral wound overlap wrap where the wrap comprises a plastic material to provide a sealing means for the conduit and has high tension properties to constrain the wires from moving radially on any bending of the conduit.
    Type: Grant
    Filed: March 12, 1984
    Date of Patent: April 14, 1987
    Assignee: Acco Babcock Inc.
    Inventor: Warren E. Sevrence
  • Patent number: 4337554
    Abstract: A stamped yoke end and a method of making the same where the yoke end has a flat stamped center piece. A tab is cut out of the center piece to form a slot and the tab is bent to one side of the slot to form a lever engaging surface having a section of constant radius.
    Type: Grant
    Filed: January 11, 1980
    Date of Patent: July 6, 1982
    Assignee: Acco Industries Inc.
    Inventor: Warren E. Sevrence
  • Patent number: 4324503
    Abstract: A two-piece anchorage device for securing a cable conduit to a wall opening. The device includes a tubular body piece adapted to extend through the wall opening and to be secured to the outer periphery of the cable conduit. The body piece includes a collar adapted to operatively engage a side of the wall opening and a lower body portion adapted to extend longitudinally along the cable conduit. An upper body portion is connected to a side of the collar opposite the lower body portion and has a groove therein. The anchorage device also includes an anchor clip piece having stops engaging the groove of the upper body portion and a plurality of depressible prongs adapted to engage a side of the wall opening.
    Type: Grant
    Filed: December 21, 1979
    Date of Patent: April 13, 1982
    Assignee: Acco Industries, Inc.
    Inventor: Warren E. Sevrence