Inventor

BOOM JOHANNES

3 patents

Patents

3 patents

US4506704AMar 26, 1985

Distributing valve

SHELL OIL CO29 citations89

US3992784ANov 23, 1976

Thermal dewatering of brown coal

SHELL OIL CO48 citations88

US4538735ASep 3, 1985

Apparatus for separating solids of different shapes

SHELL OIL CO4 citations58