Patents by Inventor Samuel J. Brookfield

Samuel J. Brookfield 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).

  • Pipetting devices and methods of using the same
    Patent number: 11331659
    Abstract: A pipetting device includes a housing, a valve assembly, and an actuator assembly. The housing includes a tip for receiving a capillary tube. The valve assembly includes a shuttle valve having a filling position and a dispensing position and a valve rod. The actuator assembly includes an actuator, a valve trigger, a piston mount, and an indexing mechanism. The actuator extends from the housing and has a push button coupled to a push rod. The valve trigger being configured to engage the valve assembly and includes an aperture configured to receive the piston mount therein. The indexing mechanism is configured to index a rotated position of the push button to a predefined volume of dispensed fluid.
    Type: Grant
    Filed: February 14, 2018
    Date of Patent: May 17, 2022
    Assignees: FRAUNHOFER USA, INC., CHILDREN'S MEDICAL CENTER CORPORATION, BETH ISRAEL DEACONESS MEDICAL CENTER, INC.
    Inventors: Alexis Sauer-Budge, Holger Wirz, Samuel J. Brookfield, Nira Pollock, Ronald Janzen
  • PIPETTING DEVICES AND METHODS OF USING THE SAME
    Publication number: 20200230592
    Abstract: A pipetting device includes a housing, a valve assembly, and an actuator assembly. The housing includes a tip for receiving a capillary tube. The valve assembly includes a shuttle valve having a filling position and a dispensing position and a valve rod. The actuator assembly includes an actuator, a valve trigger, a piston mount, and an indexing mechanism. The actuator extends from the housing and has a push button coupled to a push rod. The valve trigger being configured to engage the valve assembly and includes an aperture configured to receive the piston mount therein. The indexing mechanism is configured to index a rotated position of the push button to a predefined volume of dispensed fluid.
    Type: Application
    Filed: February 14, 2018
    Publication date: July 23, 2020
    Applicants: FRAUNHOFER USA, INC., THE CHILDREN'S MEDICAL CENTER CORPORATION, BETH ISRAEL DEACONESS MEDICAL CENTER, INC.
    Inventors: Alexis Sauer-Budge, Holger Wirz, Samuel J. Brookfield, Nira Pollock, Ronald Janzen