Assignee
HARTKORN ALFRED
DE·4 granted patents·156 citations·filing 1979–1987
Top patents by PatentIndex Score
4 records- 0190US4773791AJoint bridging construction for structuresHARTKORN ALFRED·Filed 1987·Granted Sep 27, 1988·98 cites·5 claims
- 0276US4637085AJoint spanning construction for bridges or similar structuresHARTKORN ALFRED·Filed 1985·Granted Jan 20, 1987·47 cites·7 claims
- 0335US4488324AMeans for spanning the joint between adjoining structural members of a bridge or like structureHARTKORN ALFRED·Filed 1982·Granted Dec 18, 1984·8 cites·4 claims
- 0428US4282620AJoint bridging construction for bridges or like structuresHARTKORN ALFRED·Filed 1979·Granted Aug 11, 1981·3 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →