Patent assignee · US · INDIVIDUAL

Jerry P. Allamon

8Patents
0Active
8Granted
28Portfolio score

Filing activity: Apr 3, 2000 → Jan 8, 2002

Most-cited patents

PatentTitleAreaCited byStatus
US6467546B2 Drop ball sub and system of use Fixed Constructions 119 Expired
US6520257B2 Method and apparatus for surge reduction Fixed Constructions 52 Expired
US6311775A Pumpdown valve plug assembly for liner cementing system Human Necessities 52 Expired
US6471439B2 Slips for drill pipes or other tubular members Emerging Cross-Sectional Technologies 43 Expired
US6264395A Slips for drill pipe or other tubular goods Emerging Cross-Sectional Technologies 41 Expired
US6484804B2 Pumpdown valve plug assembly for liner cementing system Human Necessities 32 Expired
US6491103B2 System for running tubular members Fixed Constructions 31 Expired
US6513590B2 System for running tubular members Fixed Constructions 19 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.