Inventor

TREVOY LLOYD W

3 patents

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

UNITED KINGDOM GOVERNMENT

2 patents

US4150093AApr 17, 1979

Method for concentrating heavy minerals in the solids tailings from hot water extraction of tar sands

UNITED KINGDOM GOVERNMENT31 citations86

US4138467AFeb 6, 1979

Method for concentrating heavy minerals in the solids tailings from hot water extraction of tar sands

UNITED KINGDOM GOVERNMENT9 citations68

PETRO CANADA EXPLORATION INC

1 patent

US4372174AFeb 8, 1983

Method and apparatus for sampling a core of tar sand

PETRO CANADA EXPLORATION INC30 citations84