Inventor · Spring, TX, US

Harold E. Payne

15Patents
9h-index
11Co-inventors
69Inventor score

Filing activity: Apr 4, 1991 → Apr 27, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US5150755A Milling tool and method for milling multiple casing strings Emerging Cross-Sectional Technologies 144 Expired
US6722452B1 Pantograph underreamer Fixed Constructions 60 Expired
US6595301B1 Single-blade underreamer Fixed Constructions 58 Expired
US6575255B1 Pantograph underreamer Fixed Constructions 47 Expired
US6591922B1 Pantograph underreamer and method for forming a well bore cavity Fixed Constructions 46 Expired
US6595302B1 Multi-blade underreamer Fixed Constructions 45 Expired
US6644422B1 Pantograph underreamer Fixed Constructions 44 Expired
US7240731B2 Shoe for expandable liner system and method Fixed Constructions 11 Expired
US7708060B2 One trip cemented expandable monobore liner system and method Emerging Cross-Sectional Technologies 9 Active
US7380604B2 One trip cemented expandable monobore liner system and method Fixed Constructions 8 Expired
US7370699B2 One trip cemented expandable monobore liner system and method Fixed Constructions 6 Expired
US7458422B2 One trip cemented expandable monobore liner system and method Fixed Constructions 6 Active
US7552772B2 Locating recess in a shoe for expandable liner system Fixed Constructions 4 Active
US7987905B2 One trip cemented expandable monobore liner system and method Emerging Cross-Sectional Technologies 3 Active
US8186427B2 One trip cemented expandable monobore liner system and method Emerging Cross-Sectional Technologies 1 Active

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