Patents by Inventor Larry Padfield

Larry Padfield 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).

  • Methods for transferring volatile liquids between railroad cars and trucks
    Patent number: 9376011
    Abstract: A method of transferring a volatile organic liquid between a railcar and a truck, comprising: providing for the flow of a volatile organic liquid through a first conduit from a liquid unloading vessel to a liquid loading vessel, wherein the liquid unloading vessel can be coupled to or part of a railcar, in which case the liquid loading vessel is coupled to or part of a truck, or the liquid unloading vessel can be coupled to or part of the truck, in which case the liquid loading vessel is coupled to or part of the railcar; providing for the flow of organic vapor through a second conduit from the liquid loading vessel to the liquid unloading vessel; and providing for the flow of organic vapor from the second conduit through a pressure relief valve upon opening of the pressure relief valve.
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: June 28, 2016
    Inventors: Larry Padfield, Tom Hansen