Patents by Inventor Donald G. Rogers

Donald G. Rogers 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).

  • Balanced flow dialysis machine
    Patent number: 11931492
    Abstract: A system and method for balancing flows of renal replacement fluid is disclosed. The method uses pressure controls and pressure sensing devices to more precisely meter and balance the flow of fresh dialysate and spent dialysate. The balancing system may use one or two balancing devices, such as a balance tube, a tortuous path, or a balance chamber.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: March 19, 2024
    Assignees: BAXTER INTERNATIONAL INC., BAXTER HEALTHCARE SA
    Inventors: Michael E. Hogard, Donald D. Busby, Robert W. Childers, Yuanpang Samuel Ding, Katherine M. Holian, Mark E. Jablonski, Thomas D. Kelly, Shincy J. Maliekkal, Rodolfo G. Roger, Donald A. Smith, Atif M. Yardimci, Ying-Cheng Lo
  • Cathode for an electrolytic capacitor
    Patent number: 4523255
    Abstract: A metal container for use as a cathode in a tantalum electrolytic capacitor is drawn from a metal composite which has a layer of tantalum bonded to a copper layer in turn bonded to a nickel layer. The tantalum layer forms the interior of the can and the nickel, the exterior. A layer of tantalum carbide is formed on the tantalum interior and is covered by a layer of finely-divided carbon.
    Type: Grant
    Filed: September 19, 1983
    Date of Patent: June 11, 1985
    Assignee: Sprague Electric Company
    Inventor: Donald G. Rogers