Patents by Inventor Dennis J. Clark

Dennis J. Clark 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).

  • Publication number: 20240065698
    Abstract: A left atrial appendage closure implant may include a support frame including a first bend extending from a proximal collar to a second bend, a first segment extending from the second bend to a third bend, a second segment extending from the third bend to a fourth bend, and a third segment extending from the fourth bend to a distal collar, wherein the support frame is actuatable from a first constrained position to a second flowering position to a third mid-deployment position to a fourth unconstrained position. An implant may include a self-expanding support frame having a circumference and a central longitudinal axis, a membrane disposed over at least a portion of the support frame, and a plurality of anchors arranged into a first row and a second row such that the first row and the second row form a staggered pattern about the circumference of the support frame.
    Type: Application
    Filed: October 18, 2023
    Publication date: February 29, 2024
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Brian Joseph Tischler, Christopher J. Clark, Dennis A. Peiffer, Thyna M. Chau
  • Patent number: 5222875
    Abstract: The present invention relates to a hydraulic pump system comprising:(a) a variable displacement pump;(b) an engine used to drive the variable displacement pump;(c) a power takeoff unit for engaging or disengaging the engine from the variable displacement pump;(d) a hydraulic motor driven by the variable displacement pump via hydraulic fluid pressure;(e) a liquid pump driven by the hydraulic motor;(f) a hydraulic fluid cooler in communication with the hydraulic motor;(g) a hydraulic fluid reservoir in communication with the cooling means and the inlet the variable displacement pump;(h) hydraulic piping and/or hose for connecting the hydraulic motor, cooler, reservoir and variable displacement pump; and(i) filters located within the hydraulic piping and/or hose.
    Type: Grant
    Filed: May 31, 1991
    Date of Patent: June 29, 1993
    Assignee: Praxair Technology, Inc.
    Inventor: Dennis J. Clark