Patents by Inventor Brian Thomas Leadingham

Brian Thomas Leadingham 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).

  • Publication number: 20150125318
    Abstract: A pump comprising a housing having a cavity and a diaphragm positioned therein configured to fluidly separate the cavity into a driving chamber and a fluid chamber. The pump further includes a port that connects the driving chamber to a vacuum source. The port configured to have an open state and a closed state such that a fluid enters the fluid chamber when the port is in the open state, and wherein the fluid exits the fluid chamber when the port is in the closed state.
    Type: Application
    Filed: November 3, 2014
    Publication date: May 7, 2015
    Applicant: ALLEGIANCE CORPORATION
    Inventors: Patrick Christopher Tetzlaff, Brian Thomas Leadingham