Patents by Inventor Michael Grant Leonhard

Michael Grant Leonhard 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).

  • Blood chamber lid having integrated blood filter and vent
    Patent number: 11433171
    Abstract: A lid for closing an open ended blood chamber is provided. The lid is a one piece device forming an inlet to the blood chamber. The one piece device includes a filter media spaced apart from the inlet and wherein blood passing through the inlet passes through the filter media upon entry into the blood chamber. The filter media filters gross particulate from the blood passing therethrough. The one piece device further includes a vent port with an associated vent port cover to allow air separated to vent from the blood chamber.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: September 6, 2022
    Assignee: ILLINOIS TOOL WORKS INC.
    Inventors: Gregory Thomas Lyons, Michael Grant Leonhard, Robert Warren Cameron, III, Yash Siddhartha
  • Check valve assembly
    Patent number: 11125354
    Abstract: An infusion set check valve assembly includes a self-contained housing that defines inlet ports and an outlet port. The assembly also includes at least one check valve disposed within the self-contained housing between the outlet channel and at least one of the inlet ports. The at least one check valve is configured to open for a first fluid to flow from a first inlet to a patient line via an outlet channel while a second fluid also flows from a second inlet to the patient line via the outlet channel. The at least one check valve closes to prevent the first fluid from flowing to the patient line via the outlet channel while the second fluid flows to the patient line.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: September 21, 2021
    Assignee: ILLINOIS TOOL WORKS INC.
    Inventors: Colm M. Carmody, Gerard G. Henn, Robert R. Schaser, Raymond Jozwik, David Drake Thompson, Michael Grant Leonhard, Brendan Casey, Yash Siddhartha, Elizabeth O Connor
  • BLOOD CHAMBER LID HAVING INTEGRATED BLOOD FILTER AND VENT
    Publication number: 20200390957
    Abstract: A lid for closing an open ended blood chamber is provided. The lid is a one piece device forming an inlet to the blood chamber. The one piece device includes a filter media spaced apart from the inlet and wherein blood passing through the inlet passes through the filter media upon entry into the blood chamber. The filter media filters gross particulate from the blood passing therethrough. The one piece device further includes a vent port with an associated vent port cover to allow air separated to vent from the blood chamber.
    Type: Application
    Filed: June 11, 2020
    Publication date: December 17, 2020
    Applicant: ILLINOIS TOOL WORKS INC.
    Inventors: Gregory Thomas LYONS, Michael Grant LEONHARD, Robert Warren CAMERON, III, Yash SIDDHARTHA
  • CHECK VALVE ASSEMBLY
    Publication number: 20200025308
    Abstract: An infusion set check valve assembly includes a self-contained housing that defines inlet ports and an outlet port. The assembly also includes at least one check valve disposed within the self-contained housing between the outlet channel and at least one of the inlet ports. The at least one check valve is configured to open for a first fluid to flow from a first inlet to a patient line via an outlet channel while a second fluid also flows from a second inlet to the patient line via the outlet channel. The at least one check valve closes to prevent the first fluid from flowing to the patient line via the outlet channel while the second fluid flows to the patient line.
    Type: Application
    Filed: September 27, 2019
    Publication date: January 23, 2020
    Applicant: Illinois Tool Works Inc.
    Inventors: Colm M. Carmody, Gerard G. Henn, Robert R. Schaser, Raymond Jozwik, David Drake Thompson, Michael Grant Leonhard, Brendan Casey, Yash Siddhartha, Elizabeth O Connor