Patents by Inventor James E. Chambers

James E. Chambers 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: 11957577
    Abstract: Embodiments of delivery systems, devices and methods for delivering a prosthetic heart valve device to a heart chamber for expanded implementation are disclosed. More specifically, methods, systems and devices are disclosed for delivering a self-expanding prosthetic mitral valve device to the left atrium, with no engagement of the left ventricle, the native mitral valve leaflets or the annular tissue downstream of the upper annular surface during delivery, and in some embodiments with no engagement of the ventricle, mitral valve leaflets and/or annular tissue located downstream of the upper annular surface by the delivered, positioned and expanded prosthetic mitral valve device.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: April 16, 2024
    Assignee: 4C Medical Technologies, Inc.
    Inventors: Jeffrey W. Chambers, Gregory G. Brucker, Joseph P. Higgins, Saravana B. Kumar, Jason S. Diedering, Karl A. Kabarowski, Robert J. Thatcher, James E. Flaherty, Jeffrey R. Stone
  • Patent number: 7897262
    Abstract: The wall decoration of this invention is a molded fiberglass replica of a portion of a classic vehicle attached to an internally positioned mounting plate such that when attached to a wall the replica appears to be imbedded in the wall. The mounting plate is secured to a wall by means of a Z-bracket that is accessible through an openable panel in the replica. The mounting plate and Z-bracket mounting provide sturdy structural support for the replica and for a variety of internally disposed accessories for the replica as well as other utilities the owner might whish to incorporate to personalize the replica.
    Type: Grant
    Filed: January 12, 2007
    Date of Patent: March 1, 2011
    Inventor: James E. Chambers
  • Patent number: 4386725
    Abstract: A monitoring device is described for use with a movable stapler apparatus to detect the presence or absence of staples at a predetermined point during staple movement in the magazine therefor. The monitoring is accomplished during any positions which the apparatus may assume by means of a light emitter and a light detector arranged on opposite sides of the magazine to sense the transmission of light through aligned openings in the magazine as an indication of a low staple supply condition in the magazine.
    Type: Grant
    Filed: November 3, 1980
    Date of Patent: June 7, 1983
    Assignee: Xerox Corporation
    Inventor: James E. Chambers