Inventor · disambiguated record
Hartmut Roetzel
Also filed as: ROETZEL HARTMUT
3 granted patents·70 citations·filing 1986–2003
73Inventor score
Top patents by PatentIndex Score
3 records- 0180US6945765B2Hydraulic clamping device for molding machinesSANDRETTO IND·Filed 2003·Granted Sep 20, 2005·26 cites·8 claims
- 0272US4988281AValve assembly for injection molding machineHUSKY INJECTION MOLDING·Filed 1989·Granted Jan 29, 1991·33 cites·9 claims
- 0333US4798146ASuspension means for a running rail of a suspension railwayCLEVELAND TRAMRAIL INT·Filed 1986·Granted Jan 17, 1989·11 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →