Patents by Inventor Charles Glen Franks

Charles Glen Franks 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).

  • Drawworks having annulus rotating union with brake cooling system
    Patent number: 7780147
    Abstract: A drawworks having a drum spool, a drum shaft concentrically supported by the drum spool, a rotary union, brake assemblies and a brake cooling system which circulates a cooling fluid through the brake assemblies to thereby reduce the operating temperature of the brake assemblies. The brake cooling system includes a cooling fluid passage that extends through the drum spool, the rotary union and the brake assemblies.
    Type: Grant
    Filed: August 18, 2009
    Date of Patent: August 24, 2010
    Inventor: Charles Glen Franks
  • DRAWWORKS HAVING ANNULUS ROTATING UNION WITH BRAKE COOLING SYSTEM
    Publication number: 20100038610
    Abstract: A drawworks having a drum spool, a drum shaft concentrically supported by the drum spool, a rotary union, brake assemblies and a brake cooling system which circulates a cooling fluid through the brake assemblies to thereby reduce the operating temperature of the brake assemblies. The brake cooling system includes a cooling fluid passage that extends through the drum spool, the rotary union and the brake assemblies.
    Type: Application
    Filed: August 18, 2009
    Publication date: February 18, 2010
    Inventor: Charles Glen Franks