Patents by Inventor R. Michael McDonald

R. Michael McDonald 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).

  • Flow controller delivery of a specified-quantity of a fluid
    Patent number: 7971604
    Abstract: A system and method for delivering a specified-quantity of a fluid using a flow controller based on a fluid delivery profile is described. One embodiment includes a fluid delivery profile that includes a delivery time window with a plurality of set points that each correspond with a specified instant in time within the delivery time window. The method also includes delivering the fluid according to the fluid delivery profile through a variable valve using the flow controller and a feedback signal from a flow sensor.
    Type: Grant
    Filed: April 20, 2006
    Date of Patent: July 5, 2011
    Assignee: Hitachi Metals, Ltd.
    Inventors: R. Michael McDonald, Alexei V. Smirnov, Brian Lee, Michael John Zolock
  • Flow controller delivery of a specified-quantity of a fluid
    Publication number: 20070246102
    Abstract: A system and method for delivering a specified-quantity of a fluid using a flow controller based on a fluid delivery profile is described. One embodiment includes a fluid delivery profile that includes a delivery time window with a plurality of set points that each correspond with a specified instant in time within the delivery time window. The method also includes delivering the fluid according to the fluid delivery profile through a variable valve using the flow controller and a feedback signal from a flow sensor.
    Type: Application
    Filed: April 20, 2006
    Publication date: October 25, 2007
    Inventors: R. Michael McDonald, Alexei Smirnov, Brian Lee, Michael Zolock