Inventor · disambiguated record
Henry P. Hanneken
Also filed as: HANNEKEN HENRY P
3 granted patents·228 citations·filing 1979–1984
77Inventor score
Files withPPG INDUSTRIES INC3
Top patents by PatentIndex Score
3 records- 0194US4539034AMelting of glass with staged submerged combustionPPG INDUSTRIES INC·Filed 1984·Granted Sep 3, 1985·146 cites·20 claims
- 0291US4242782ACeramic conveyor rolls with metal end caps frictionally fixed theretoPPG INDUSTRIES INC·Filed 1979·Granted Jan 6, 1981·45 cites·8 claims
- 0379US4399598ACeramic rolls with metal end capsPPG INDUSTRIES INC·Filed 1981·Granted Aug 23, 1983·37 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →