Patents by Inventor Frampton Renfrow

Frampton Renfrow 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).

  • Composite connecting member for hydraulic fluid lines
    Patent number: 4854613
    Abstract: A connecting member is disclosed for connecting a hydraulic tube to a base material such as a housing or to another hydraulic tube. The connecting member has an annular body formed from a first material extending a substantial length of the connecting member. The body has an interior surface defining a passageway. The body includes threads on a first portion of the body for connecting to the connecting member of a hydraulic tube and threads on a second portion of the body for connecting the connecting member to the base material or a second hydraulic tube through a coupling nut. A sleeve is made from a second material and extends through the passageway substantially the length of the connecting member. The sleeve has an internal surface and has a pair of ends, wherein each end of the sleeve extends radially outwardly from the sleeve relative to a central longitudinal axis of the sleeve over a respective end of the body. The body may be plastic and the sleeve may be titanium.
    Type: Grant
    Filed: January 27, 1988
    Date of Patent: August 8, 1989
    Assignee: Rexnord Holdings Inc.
    Inventors: Marvin P. Reece, Wilhelm F. Schepergerdes, Frampton Renfrow