Inventor · disambiguated record
Ernst Wallis
Also filed as: WALLIS ERNST
5 granted patents·99 citations·filing 1988–1996
81Inventor score
Top patents by PatentIndex Score
5 records- 0189US4906437ACorrosion resistant hot and cold forming parts of Ni-Cr-Mo alloy and method of making sameVDM NICKEL TECH·Filed 1989·Granted Mar 6, 1990·44 cites·14 claims
- 0281US4876065ACorrosion-resisting Fe-Ni-Cr alloyVDM NICKEL TECH·Filed 1988·Granted Oct 24, 1989·30 cites·16 claims
- 0366US5667556AMethod of reprocessing zinc- and iron oxide-containing residual materialMETALLGESELLSCHAFT AG·Filed 1996·Granted Sep 16, 1997·18 cites·13 claims
- 0442US5244551AProcess of regenerating waste pickle which contains metal salts and acidsMETALLGESELLSCHAFT AG·Filed 1992·Granted Sep 14, 1993·6 cites·4 claims
- 0522US5030415AStructural part made of ferritic chromium-molybdenum steel which is resistant to concentrated sulfuric acidMETALLEGESELLSCHAFT AKTIENGESE·Filed 1989·Granted Jul 9, 1991·1 cites·2 claims
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