Patents by Inventor DANIEL CALVERT CANFIELD

DANIEL CALVERT CANFIELD 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).

  • Compact electro-mechanical chest compression drive
    Patent number: 10426697
    Abstract: A cardio-pulmonary compression device includes a motor (11) having a rotating portion, and a ball nut (12) mounted on the rotating portion and configured to rotate with the rotating portion. A ball screw (13) is received in the ball nut such that rotation on the ball nut advances and/or retracts the ball screw in accordance with a direction of the motor. A pad assembly (15) is coupled to an end portion of the ball screw such that longitudinal motion of the ball screw imparts a compression cycle to a patient.
    Type: Grant
    Filed: November 24, 2014
    Date of Patent: October 1, 2019
    Assignee: Koninklijke Philips N.V.
    Inventors: Christopher Walden, Virginia Higley, Tyler Douglas Smith, Steven Joseph Frankovich, Daniel Calvert Canfield
  • COMPACT ELECTRO-MECHANICAL CHEST COMPRESSION DRIVE
    Publication number: 20170172845
    Abstract: A cardio-pulmonary compression device includes a motor (11) having a rotating portion, and a ball nut (12) mounted on the rotating portion and configured to rotate with the rotating portion. A ball screw (13) is received in the ball nut such that rotation on the ball nut advances and/or retracts the ball screw in accordance with a direction of the motor. A pad assembly (15) is coupled to an end portion of the ball screw such that longitudinal motion of the ball screw imparts a compression cycle to a patient.
    Type: Application
    Filed: November 24, 2014
    Publication date: June 22, 2017
    Inventors: CHRISTOPHER WALDEN, VIRGINIA HIGLEY, TYLER DOUGLAS SMITH, STEVEN JOSEPH FRANKOVICH, DANIEL CALVERT CANFIELD