Patents by Inventor Rodney C. Pifer

Rodney C. Pifer 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).

  • Patent number: 6609669
    Abstract: An hydraulic loading assembly for ball and ring coal pulverizers has a plurality of compression assemblies connected to a common hydraulic controller for exerting equal pressure simultaneously on each of the compression assemblies. The compression assemblies each have a hydraulic cylinder and piston located above and connected to a non-threaded rod which is in turn located above and connected to a compression spring exerting force on the top grinding ring of the pulverizer.
    Type: Grant
    Filed: September 7, 2001
    Date of Patent: August 26, 2003
    Assignee: The Babcock & Wilcox Company
    Inventors: Michael E. Rakocy, Rodney C. Pifer, David P. Houser
  • Publication number: 20030047629
    Abstract: An hydraulic loading assembly for ball and ring coal pulverizers has a plurality of compression assemblies connected to a common hydraulic controller for exerting equal pressure simultaneously on each of the compression assemblies. The compression assemblies each have a hydraulic cylinder and piston located above and connected to a non-threaded rod which is in turn located above and connected to a compression spring exerting force on the top grinding ring of the pulverizer.
    Type: Application
    Filed: September 7, 2001
    Publication date: March 13, 2003
    Inventors: Michael E. Rakocy, Rodney C. Pifer, David P. Houser