Patents Assigned to Shep Limited
  • Hydraulic energy storage systems
    Patent number: 7107767
    Abstract: A hydraulic energy storage system for vehicles to provide higher efficiency, smaller package size, lower weight, unitary construction, durability and enhanced reliability while maintaining the capability to efficiently store and restore energy at high power levels.
    Type: Grant
    Filed: November 28, 2001
    Date of Patent: September 19, 2006
    Assignee: Shep Limited
    Inventors: Hugh Ivo Frazer, William Raymond Evans, Peter Russell Mattin