Inventor

MASKWA ALVIN

3 patents

⚠️ This page may combine multiple inventors who share the name “MASKWA ALVIN”. 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

US4225422ASep 30, 1980

Beneficiation of heavy minerals from bituminous sands residues by dry screening

PETRO CANADA EXPLORATION INC27 citations73