Inventor · Evergreen, CO, US

John W. Powell

6Patents
4h-index
7Co-inventors
50Inventor score

Filing activity: Dec 3, 1979 → Sep 12, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US6959767B2 Remediation treatment of sustained casing pressures (SCP) in wells with top down surface injection of fluids and additives Chemistry; Metallurgy 41 Expired
US6286289A Multiple face sheet isogrid structures Fixed Constructions 24 Expired
US6230072A Boiler automated welding system (BAWS) Physics 17 Expired
US5566940A Air driven lottery game Human Necessities 9 Expired
USD262887S Manual full web stretch-wrap pallet wrapper General 4 Expired
US4875365A Method and apparatus for measuring cutting forces of machine tool Performing Operations; Transporting 3 Expired

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