Inventor

COLLINS LEO GUADALUPE

US3 patents

Patents

3 patents

US11208870B2Dec 28, 2021

Flapper valve with beam spring

HALLIBURTON ENERGY SERVICES INC3 citations65

US11274523B2Mar 15, 2022

Variable torque flapper valve

HALLIBURTON ENERGY SERVICES INC0 citations44

US11753905B2Sep 12, 2023

Downhole tool actuator with viscous fluid clearance paths

HALLIBURTON ENERGY SERVICES INC0 citations43