Inventor · disambiguated record
Hans-Karl Petzel
Also filed as: PETZEL HANS-KARL
3 granted patents·22 citations·filing 1990–1992
67Inventor score
Files withSAARBERGWERKE AG3
Top patents by PatentIndex Score
3 records- 0143US5435123AEnvironmentally acceptable electric energy generation process and plantSAARBERGWERKE AG·Filed 1992·Granted Jul 25, 1995·13 cites·7 claims
- 0233US5099801AProcess for operating a coal-based fluidized bed combustor and fluidized bed combustorSAARBERGWERKE AG·Filed 1990·Granted Mar 31, 1992·6 cites·10 claims
- 0328US5154128AProcess for salvaging waste and device for preparing said wasteSAARBERGWERKE AG·Filed 1990·Granted Oct 13, 1992·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →