Inventor

WALLIS ERNST

DE5 patents

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

VDM NICKEL TECH

2 patents

US4906437AMar 6, 1990

Corrosion resistant hot and cold forming parts of Ni-Cr-Mo alloy and method of making same

VDM NICKEL TECH44 citations89

US4876065AOct 24, 1989

Corrosion-resisting Fe-Ni-Cr alloy

VDM NICKEL TECH30 citations89

METALLGESELLSCHAFT AG

2 patents

US5667556ASep 16, 1997

Method of reprocessing zinc- and iron oxide-containing residual material

METALLGESELLSCHAFT AG18 citations82

US5244551ASep 14, 1993

Process of regenerating waste pickle which contains metal salts and acids

METALLGESELLSCHAFT AG6 citations58

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