Patents by Inventor John Pipis

John Pipis 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).

  • COMPRESSION RELEASE BRAKE SYSTEM
    Publication number: 20050133003
    Abstract: A compression release brake system 10 includes a hydraulic apparatus 12 for controllably opening at least one exhaust valve 14 of at least one cylinder 16 of an engine in response to motion of a cam actuator 12. The system 10 includes a master piston assembly 40 having a master piston 42 engageable with the cam actuator 12. The master piston 42 includes a compressible piston pin 56. A slave piston assembly 44 is hydraulically linked to the master piston assembly 40 and includes a slave piston 46 engageable with the at least one exhaust valve 14.
    Type: Application
    Filed: December 18, 2003
    Publication date: June 23, 2005
    Inventors: Homa Afjeh, Mark Ellison, John Pipis