Patents Assigned to Percheron Manufacturing
  • SINKER BAR WITH CENTRALIZER
    Publication number: 20260139554
    Abstract: A sinker bar with centralizer includes a cylindrical body having an outer surface and opposing first and second ends, one or more grooves defined in the outer surface between the first and second ends and thereby defining a grooved portion of the body, and a centralizer attached to the body at the grooved portion and encapsulating the one or more grooves, the centralizer providing opposing first and second centralizer ends extending axially beyond opposing axial ends of the grooved portion.
    Type: Application
    Filed: August 21, 2025
    Publication date: May 21, 2026
    Applicants: Percheron Manufacturing, 360 Research Labs, LLC
    Inventors: Mark A. NEASE, Clois L. MONTAGUE
  • Chamfered sinker bar connection
    Patent number: 12410661
    Abstract: A sinker bar includes a cylindrical body having an outer surface terminating at a pin end. The pin includes a transition surface extending from an outer surface of the sinker bar and including a chamfered surface extending from the outer surface, an arcuate surface extending from the chamfered surface, and a straight-line surface extending from the arcuate surface, a tapered section extending from the straight-line surface, and a threaded section extending from the tapered section and terminating at a pin face.
    Type: Grant
    Filed: July 19, 2024
    Date of Patent: September 9, 2025
    Assignee: Percheron Manufacturing
    Inventors: Mark Nease, Clois Montague
  • CHAMFERED SINKER BAR CONNECTION
    Publication number: 20250034951
    Abstract: A sinker bar includes a cylindrical body having an outer surface terminating at a pin end. The pin includes a transition surface extending from an outer surface of the sinker bar and including a chamfered surface extending from the outer surface, an arcuate surface extending from the chamfered surface, and a straight-line surface extending from the arcuate surface, a tapered section extending from the straight-line surface, and a threaded section extending from the tapered section and terminating at a pin face.
    Type: Application
    Filed: July 19, 2024
    Publication date: January 30, 2025
    Applicant: Percheron Manufacturing
    Inventors: Mark NEASE, Clois MONTAGUE