Patents by Inventor Srinidhi Bangalore Gopalakrishna

Srinidhi Bangalore Gopalakrishna 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).

  • Rotary drill bit
    Patent number: 10024107
    Abstract: An air-cooled earth-boring drill bit including a plurality of lugs. Each lug includes a pin flange. A first roller race is distal to the pin flange. A thrust flange is distal to the first roller race. At least one pin flange vent slot is arranged in a surface of the pin flange opposite the first roller race. The at least one pin flange vent slot opens in a direction of a load side of a bearing. At least one thrust flange vent slot is arranged in a surface of the thrust flange facing the first rollers. The at least one thrust flange vent slot opens in the direction of the load side of the bearing. A plurality of flow passages are arranged within the lug to supply fluid to the at least one pin flange vent slot and the at least one thrust flange vent slot.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: July 17, 2018
    Assignee: EPIROC DRILLING TOOLS LLC
    Inventors: Gregory Wayne Peterson, Srinidhi Bangalore Gopalakrishna, James Wilson Langford
  • ROTARY DRILL BIT
    Publication number: 20150322724
    Abstract: An air-cooled earth-boring drill bit including a plurality of lugs. Each lug includes a pin flange. A first roller race is distal to the pin flange. A thrust flange is distal to the first roller race. At least one pin flange vent slot is arranged in a surface of the pin flange opposite the first roller race. The at least one pin flange vent slot opens in a direction of a load side of a bearing. At least one thrust flange vent slot is arranged in a surface of the thrust flange facing the first rollers. The at least one thrust flange vent slot opens in the direction of the load side of the bearing. A plurality of flow passages are arranged within the lug to supply fluid to the at least one pin flange vent slot and the at least one thrust flange vent slot.
    Type: Application
    Filed: December 14, 2012
    Publication date: November 12, 2015
    Inventors: Gregory Wayne PETERSON, Srinidhi Bangalore Gopalakrishna, James Wilson Langford