Patents by Inventor Leslie W. Richards

Leslie W. Richards 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).

  • Plug baffle device for mold
    Patent number: 7159837
    Abstract: A plug baffle device for installation in a coolant passage within a mold, the plug baffle device having its coolant-encountering blade mechanically attached to a base member, and methods for making such plug baffle device. Advantages include acceptance of greater torque and less susceptibility to damage from high torque. In certain highly preferred embodiments, the base member includes an extension portion facilitating mechanical engagement and providing other substantial advantages.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: January 9, 2007
    Inventor: Leslie W. Richards
  • Plug baffle device for mold
    Publication number: 20040256537
    Abstract: A plug baffle device for installation in a coolant passage within a mold, the plug baffle device having its coolant-encountering blade mechanically attached to a base member, and methods for making such plug baffle device. Advantages include acceptance of greater torque and less susceptibility to damage from high torque. In certain highly preferred embodiments, the base member includes an extension portion facilitating mechanical engagement and providing other substantial advantages.
    Type: Application
    Filed: June 20, 2003
    Publication date: December 23, 2004
    Inventor: Leslie W. Richards