Patents by Inventor David Kellenberger

David Kellenberger 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: 5931796
    Abstract: A novel lower extremity support apparatus is comprised of a unit that is designed to allow the individual having a recent lower extremity operation or injury to use the apparatus to limit the loads on the surgically repaired or injured lower extremity. The apparatus also assists in controlling the range of motion for the hip, knee or ankle and provides the protection for those joints. The apparatus has an adjustable, form fitted padded member that dispersed the pressure loads across a broad surface area of the lower extremity. The padded member is connected to a rigid piece that is inserted into a standard or custom made designed lower extremity hinged brace or immobilized or an existing brace or can be attached independently. The rigid piece has an angled portion at its base portion which fits under the brace. An adjustable rope member, having a handle unit, is attached to the base of the rigid piece and is designed for allow assistance in lifting of the lower extremity.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: August 3, 1999
    Inventor: David Kellenberger
  • Patent number: 4917266
    Abstract: An improved discharge spout construction for a collapsible receptacle where the entire assembly is constructed with one pass of a double needle sewing machine, thus enabling the construction to be accomplished in a very economical and efficient manner. The spout, the panel which covers the opening in the bottom of the receptacle and the folded triangular flaps which form the drawstring passageways are all sewed together with two spaced sew lines to create a buffer zone between product in the receptacle and the cuts forming the triangular flaps so that if the cuts tear past the first sew line, the second sew line separates the product from the tear.
    Type: Grant
    Filed: February 3, 1989
    Date of Patent: April 17, 1990
    Assignee: Super Sack Manufacturing Corporation
    Inventors: David Kellenberger, Nancy Cline, Craig Nickell