Patents by Inventor Joel Perez-Pacheco

Joel Perez-Pacheco 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).

  • Controlled dispense syringe
    Patent number: 11744950
    Abstract: A syringe is described with a plunger assembly that is adapted to have a dispensing stroke sized to dispense a fluid therapeutic product from the syringe without dispensing any air or headspace. The syringe includes a plunger rod having a stop feature that stops a dispensing stroke of the plunger rod at a distance corresponding to a level of air or headspace within the syringe avoiding additional air dispensing steps from a healthcare provider.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: September 5, 2023
    Assignee: AMGEN INC.
    Inventors: Joel Perez-Pacheco, Lawrence Scott Ring
  • CONTROLLED DISPENSE SYRINGE
    Publication number: 20210001052
    Abstract: A syringe is described with a plunger assembly that is adapted to have a dispensing stroke sized to dispense a fluid therapeutic product from the syringe without dispensing any air or headspace. The syringe includes a plunger rod having a stop feature that stops a dispensing stroke of the plunger rod at a distance corresponding to a level of air or headspace within the syringe avoiding additional air dispensing steps from a healthcare provider.
    Type: Application
    Filed: February 12, 2019
    Publication date: January 7, 2021
    Inventors: Joel Perez-Pacheco, Lawrence Scott Ring