Inventor · Edmonton, AB, CA

Maurice William Slack

56Patents
14h-index
15Co-inventors
81Inventor score

Filing activity: Dec 31, 1987 → Aug 19, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US6732822B2 Method and apparatus for handling tubular goods Fixed Constructions 120 Expired
US7013992B2 Borehole stabilization while drilling Fixed Constructions 47 Expired
US6409226B1 “Corrugated thick-walled pipe for use in wellbores” Emerging Cross-Sectional Technologies 39 Expired
US7909109B2 Anchoring device for a wellbore tool Fixed Constructions 38 Active
US7909120B2 Gripping tool Fixed Constructions 38 Active
US7082997B2 Pipe centralizer and method of attachment Emerging Cross-Sectional Technologies 37 Expired
US6679335B2 Method for preparing casing for use in a wellbore Emerging Cross-Sectional Technologies 31 Expired
US7219727B2 Wear resistant tubular connection Fixed Constructions 23 Expired
US6296054A Steep pitch helix packer Fixed Constructions 21 Expired
US7124825B2 Casing wear band and method of attachment Emerging Cross-Sectional Technologies 17 Expired
US7287584B2 Anchoring device for a wellbore tool Fixed Constructions 17 Expired
US4870866A Ultrasonic method for measuring internal contact pressure between mating solid parts separated by a liquid film Physics 17 Expired
US7442019B2 Stator of a moineau-pump Mechanical Engineering; Lighting; Heating 15 Expired
US6904974B2 Slotting geometry for metal pipe and method of use of the same Fixed Constructions 15 Expired
US7348523B2 Method of induction weld forming with shear displacement step Performing Operations; Transporting 13 Expired
US7814633B2 Pipe centralizer and method of forming Emerging Cross-Sectional Technologies 12 Expired
US8424939B2 Tri-cam axial extension to provide gripping tool with improved operational range and capacity Fixed Constructions 12 Active
US7896111B2 Gripping tool with driven screw grip activation Fixed Constructions 10 Active
US8042626B2 Gripping tool Fixed Constructions 8 Active
US7328742B2 Seal cup for a wellbore tool and method Fixed Constructions 8 Expired
US7165609B2 Apparatus for handling tubular goods Fixed Constructions 7 Expired
US8454066B2 Grip extension linkage to provide gripping tool with improved operational range, and method of use of the same Fixed Constructions 7 Active
US6899356B2 Tubular connection floating shoulder ring Mechanical Engineering; Lighting; Heating 6 Expired
US7775572B2 Gripping tool with fluid grip activation Fixed Constructions 6 Active
US7878256B2 Burst plug for a downhole fluid passage Fixed Constructions 5 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.