Patents by Inventor Gordon Richard Coates, III

Gordon Richard Coates, III 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).

  • Modulating balance ported three way valve
    Patent number: 9371920
    Abstract: Provided is a three-way valve having and actuator (66) and first (100) and second (102) piston assemblies movable by the actuator (66) and arranged in tandem, wherein each piston assembly (100,102) has a backside (104,106) in fluid communication with a common pressure source for pressure balancing the piston assemblies (100,102). By having the backsides (104,106) in fluid communication with a common pressure source and by isolating the piston assemblies (100,102) from a main chamber, an axial load on the actuator (66) is minimized, thereby allowing for more compact valve designs.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: June 21, 2016
    Assignee: Parker-Hannifin Corporation
    Inventors: Gordon Richard Coates, III, Scott L. Kuhl
  • MODULATING BALANCE PORTED THREE WAY VALVE
    Publication number: 20150377368
    Abstract: Provided is a three-way valve having and actuator (66) and first (100) and second (102) piston assemblies movable by the actuator (66) and arranged in tandem, wherein each piston assembly (100,102) has a backside (104,106) in fluid communication with a common pressure source for pressure balancing the piston assemblies (100,102). By having the backsides (104,106) in fluid communication with a common pressure source and by isolating the piston assemblies (100,102) from a main chamber, an axial load on the actuator (66) is minimized, thereby allowing for more compact valve designs.
    Type: Application
    Filed: December 13, 2013
    Publication date: December 31, 2015
    Applicant: Parker-Hannifin Corporation
    Inventors: Gordon Richard Coates, III, Scott L. Kuhl