P

Inventor

DOERR KARL-HEINZ

DE7 patents
⚠️ This page may combine multiple inventors who share the name “DOERR KARL-HEINZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

METALLGESELLSCHAFT AG

5 patents
US4910011AMar 20, 1990

Process of purifying flue gases

METALLGESELLSCHAFT AG29 citations88
US5030428AJul 9, 1991

Process of purifying flue gases

METALLGESELLSCHAFT AG51 citations86
US4368183AJan 11, 1983

Process of producing concentrated sulfuric acid

METALLGESELLSCHAFT AG21 citations80
US4533537AAug 6, 1985

Process of producing sulfuric acid

METALLGESELLSCHAFT AG13 citations69
US4582481AApr 15, 1986

Process of drying sulfide ores in direct contact with hot drying gases

METALLGESELLSCHAFT AG0 citations48

METALLEGESELLSCHAFT AKTIENGESE

1 patent
US5030415AJul 9, 1991

Structural part made of ferritic chromium-molybdenum steel which is resistant to concentrated sulfuric acid

METALLEGESELLSCHAFT AKTIENGESE1 citations44

STANNOL LOETMITTELFABRIK WILHELM PAFF GMBH & CO KG

1 patent
USD380445SJul 1, 1997

Resistor arrangement for a fan for motor vehicles

STANNOL LOETMITTELFABRIK WILHELM PAFF GMBH & CO KG1 citations36