Patents by Inventor Daniel E. KUEHNER

Daniel E. KUEHNER 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).

  • Devices with modified conduits
    Patent number: 10919039
    Abstract: A centrifugal rotor device includes a first chamber configured to hold a fluid, and a second chamber configured to receive the fluid from the first chamber. The centrifugal rotor device also includes a conduit coupled to the first chamber at a conduit inlet and coupled to the second chamber at a conduit outlet, the conduit configured to permit movement of the fluid from the first chamber to the second chamber. The conduit includes a first channel and a second channel formed adjacent to the first channel. The second channel is in fluid communication with the first channel and has a dimension smaller than the smallest dimension of the first channel. The conduit also includes one or more obstructive features present in the second channel configured to impede movement of the fluid in the second channel.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: February 16, 2021
    Assignee: ABAXIS, INC.
    Inventors: Gregory Trigub, Robert Justice Shartle, Warren Edward Farnam, III, Daniel E. Kuehner
  • DEVICES WITH MODIFIED CONDUITS
    Publication number: 20190168214
    Abstract: A centrifugal rotor device includes a first chamber configured to hold a fluid, and a second chamber configured to receive the fluid from the first chamber. The centrifugal rotor device also includes a conduit coupled to the first chamber at a conduit inlet and coupled to the second chamber at a conduit outlet, the conduit configured to permit movement of the fluid from the first chamber to the second chamber. The conduit includes a first channel and a second channel formed adjacent to the first channel. The second channel is in fluid communication with the first channel and has a dimension smaller than the smallest dimension of the first channel. The conduit also includes one or more obstructive features present in the second channel configured to impede movement of the fluid in the second channel.
    Type: Application
    Filed: December 20, 2018
    Publication date: June 6, 2019
    Inventors: Gregory TRIGUB, Robert Justice SHARTLE, Warren Edward FARNAM, III, Daniel E. KUEHNER