Inventor

WATJEN JOHN P

US3 patents

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

DEN NORSKE STATS OLJESELSKAP AS

1 patent

US5103181AApr 7, 1992

Composition monitor and monitoring process using impedance measurements

DEN NORSKE STATS OLJESELSKAP AS172 citations91

ELECTRICAL POWER RESEARCH INST

1 patent

US4733397AMar 22, 1988

Resonant cavity optical modulator

ELECTRICAL POWER RESEARCH INST36 citations88

STANFORD RES INST INT

1 patent

US4675605AJun 23, 1987

Eddy current probe and method for flaw detection in metals

STANFORD RES INST INT9 citations69