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Inventor

BLANTON JAMES R

US7 patents
⚠️ This page may combine multiple inventors who share the name “BLANTON JAMES R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DRESSER IND

4 patents
US4181186AJan 1, 1980

Sleeve valve hydraulic jar tool

DRESSER IND30 citations90
US4210214AJul 1, 1980

Temperature compensating hydraulic jarring tool

DRESSER IND25 citations80
US4196782AApr 8, 1980

Temperature compensated sleeve valve hydraulic jar tool

DRESSER IND23 citations80
US4211293AJul 8, 1980

Variable orifice sleeve valve hydraulic jar tool

DRESSER IND9 citations71

PETRO WELL SUPPLY INC

1 patent
US4986727AJan 22, 1991

Pressure-operated oil and gas well swabbing device

PETRO WELL SUPPLY INC39 citations87

BLANTON JAMES R

1 patent
US4150687AApr 24, 1979

Well pilot valve assembly

BLANTON JAMES R7 citations66

HALLIBURTON ENERGY SERV INC

1 patent
US7730957B2Jun 8, 2010

Well tool with line and installation method

HALLIBURTON ENERGY SERV INC6 citations61