Patents/Inventors

Kevin Waddell

Houston, TXUS2 patents

3 Patents

US124355852025
Hydraulic Control Apparatus and Method for a Downhole Tool
China National Petroleum Corporation
0 cites
US122186102025
Sensor System with an Interior Sensor and a Piezoelectric Power Supply
China National Petroleum Corporation
0 cites
US120117732024
Cutting Elements with Reduced Variable Back Rake Angle
Beijing Huamei, Inc.
0 cites