Inventor

LANGDON JOHN E

US5 patents

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

WORLD ENERGY SYSTEMS INC

3 patents

US7712528B2May 11, 2010

Process for dispersing nanocatalysts into petroleum-bearing formations

WORLD ENERGY SYSTEMS INC64 citations95

US7770646B2Aug 10, 2010

System, method and apparatus for hydrogen-oxygen burner in downhole steam generator

WORLD ENERGY SYSTEMS INC38 citations86

US8584752B2Nov 19, 2013

Process for dispersing nanocatalysts into petroleum-bearing formations

WORLD ENERGY SYSTEMS INC0 citations50

CASE CO J I

1 patent

US4431379AFeb 14, 1984

Valve piston for constant displacement pump

CASE CO J I4 citations59

LANGDON JOHN E

1 patent

US8336623B2Dec 25, 2012

Process for dispersing nanocatalysts into petroleum-bearing formations

LANGDON JOHN E4 citations56