Inventor

VOELKERS JAMES D

US3 patents

Patents

3 patents

US4187542AFeb 5, 1980

Process control method and apparatus

PHILLIPS PETROLEUM CO30 citations86

US4094959AJun 13, 1978

Process measurement and control

PHILLIPS PETROLEUM CO19 citations69

US4586126AApr 29, 1986

Feed rate control

PHILLIPS PETROLEUM CO5 citations60