Patents by Inventor Yun Tak Chan

Yun Tak Chan 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).

  • Control system for drilling operations
    Patent number: 8727038
    Abstract: The present application is directed to a system providing automatic and manual control of a brake lever on band brake drawworks of a wellbore drilling rig. The system comprises a pneumatic cylinder attached to the brake lever; and a control means in fluid communication with the pneumatic cylinder, the control means being operationally configured to run the pneumatic cylinder in response to information obtained by the control means concerning one or more drilling parameters and operationally configured to disable the pneumatic cylinder.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: May 20, 2014
    Inventor: Yun Tak Chan
  • CONTROL SYSTEM FOR DRILLING OPERATIONS
    Publication number: 20110174538
    Abstract: The present application is directed to a system providing automatic and manual control of a brake lever on band brake drawworks of a wellbore drilling rig. The system comprises a pneumatic cylinder attached to the brake lever; and a control means in fluid communication with the pneumatic cylinder, the control means being operationally configured to run the pneumatic cylinder in response to information obtained by the control means concerning one or more drilling parameters and operationally configured to disable the pneumatic cylinder.
    Type: Application
    Filed: January 19, 2011
    Publication date: July 21, 2011
    Inventor: Yun Tak Chan