Patents by Inventor Edward Grout

Edward Grout 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).

  • Pumping system for the injection of measured quantities of fluid into a fluid stream
    Patent number: 6431198
    Abstract: A pump system for the selected injection of one or more fluids is disclosed where the system generally includes a flow meter including a means to translate the flow rate through the meter to one or more pumps coupled to the meter such that upon a selected introduction of fluid flow through the meter a selected amount of fluid is pumped through the one or more pumps.
    Type: Grant
    Filed: October 2, 2001
    Date of Patent: August 13, 2002
    Assignee: Dosmatic USA, Inc.
    Inventors: Frank A. Walton, Edward Grout
  • Pumping system for the injection of measured quantities of fluid into a fluid stream
    Patent number: 6357466
    Abstract: A pump system for the selected injection of one or more fluids is disclosed where the system generally includes a flow meter including a means to translate the flow rate through the meter to one or more pumps coupled to the meter such that upon a selected introduction of fluid flow through the meter a selected amount of fluid is pumped through the one or more pumps.
    Type: Grant
    Filed: June 7, 1999
    Date of Patent: March 19, 2002
    Assignee: Dosmatic USA, Inc.
    Inventors: Frank A. Walton, Edward Grout
  • Pumping system for the injection of measured quantities of fluid into a fluid stream
    Publication number: 20020017320
    Abstract: A pump system for the selected injection of one or more fluids is disclosed where the system generally includes a flow meter including a means to translate the flow rate through the meter to one or more pumps coupled to the meter such that upon a selected introduction of fluid flow through the meter a selected amount of fluid is pumped through the one or more pumps.
    Type: Application
    Filed: October 2, 2001
    Publication date: February 14, 2002
    Inventors: Frank A. Walton, Edward Grout
  • Replaceable seal having a friction fit
    Patent number: 6254366
    Abstract: A replaceable seal for a rotor in a rotary fluid machine has a unitary body with integrally formed longitudinal and radial seal portions secured by a friction fit in grooves in the rotor. The longitudinal seal portion includes an outwardly biased seal lip, and an elongated body portion fitting within the groove in the rotor. The elongated body portion has a pair of anchor elements connected by a flat arm element. The radial seal portion has an outwardly biased seal lip, and a retainer post securing the seal in a cavity in the rotor.
    Type: Grant
    Filed: June 13, 2000
    Date of Patent: July 3, 2001
    Assignee: Dosmatic USA, Inc.
    Inventors: Frank A. Walton, Edward Grout, James E. Williams