Patents by Inventor Craig Ridgway

Craig Ridgway 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).

  • PROPANE INJECTION SYSTEM
    Publication number: 20120110999
    Abstract: A flow regulator valve having multiple stages is described herein. The flow regulator valve provides a base amount of propane when the engine is idling and provides additional propane to the engine based on the engine's requirements.
    Type: Application
    Filed: January 12, 2012
    Publication date: May 10, 2012
    Inventors: Craig Ridgway, Kevin Kayne
  • Propane injection system
    Patent number: 8117839
    Abstract: A flow regulator valve having multiple stages is described herein. The flow regulator valve provides a base amount of propane when the engine is idling and provides additional propane to the engine based on the engine's requirements.
    Type: Grant
    Filed: September 25, 2008
    Date of Patent: February 21, 2012
    Inventors: Craig Ridgway, Kevin Kayne
  • Propane Injection System
    Publication number: 20100071363
    Abstract: A flow regulator valve having multiple stages is described herein. The flow regulator valve provides a base amount of propane when the engine is idling and provides additional propane to the engine based on the engine's requirements.
    Type: Application
    Filed: September 25, 2008
    Publication date: March 25, 2010
    Inventors: Craig Ridgway, Kevin Kayne