Patents Assigned to U.S. Power Tong, L.L.C.
  • Power tongs with shaft retainers
    Patent number: 9828814
    Abstract: One or more specific versions disclosed herein includes a power tong for rotating tubulars in wellbore operations comprising: a gear shaft having a non-threaded portion; a gear rotatably connected to the non-threaded portion of the gear shaft; a tong plate having an inner surface, an outer surface, and a gear shaft aperture, wherein an end of the non-threaded portion is disposed in the gear shaft aperture; and a shaft retainer that is removably coupled to the tong plate and abutted against the end of the non-threaded portion.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: November 28, 2017
    Assignee: U.S. Power Tong, L.L.C.
    Inventors: Gerry Chau Tran, Billy Shawn Boyd