Inventor · disambiguated record
Hugh Cunningham
Also filed as: CUNNINGHAM HUGH · CUNNINGHAM HUGH A · CUNNINGHAM JR HUGH · RAETZSCH CARL W
20 granted patents·196 citations·filing 1975–1994
95Inventor score
Top patents by PatentIndex Score
20 records- 0186US4217199AElectrolytic cellPPG INDUSTRIES INC·Filed 1979·Granted Aug 12, 1980·30 cites·30 claims
- 0278US5478434ADe-laminator apparatus and method with leader diverterEASTMAN KODAK CO·Filed 1994·Granted Dec 26, 1995·50 cites·16 claims
- 0367US3968021AElectrolytic cell having hydrogen gas disengaging apparatusPPG INDUSTRIES INC·Filed 1975·Granted Jul 6, 1976·15 cites·4 claims
- 0462US4032423AMethod of assembling a bipolar electrolyzerPPG INDUSTRIES INC·Filed 1976·Granted Jun 28, 1977·11 cites·11 claims
- 0560US4057473AMethod of reducing cell liquor header corrosionPPG INDUSTRIES INC·Filed 1976·Granted Nov 8, 1977·10 cites·6 claims
- 0659US4274928AProcess for electrolyzing brine in a permionic membrane electrolytic cellPPG INDUSTRIES INC·Filed 1979·Granted Jun 23, 1981·10 cites·4 claims
- 0754US4093525AMethod of preventing hydrogen deterioration in a bipolar electrolyzerPPG INDUSTRIES INC·Filed 1976·Granted Jun 6, 1978·7 cites·2 claims
- 0853US4165272AHollow cathode for an electrolytic cellPPG INDUSTRIES INC·Filed 1978·Granted Aug 21, 1979·7 cites·16 claims
- 0953US3990961AAnnular brine head equalizerPPG INDUSTRIES INC·Filed 1975·Granted Nov 9, 1976·8 cites·5 claims
- 1052US4211627APermionic membrane electrolytic cellPPG INDUSTRIES INC·Filed 1978·Granted Jul 8, 1980·7 cites·15 claims
- 1151US4088551AElectrolytic cell and method of electrolysisPPG INDUSTRIES INC·Filed 1977·Granted May 9, 1978·10 cites·2 claims
- 1250US4248689AElectrolytic cellPPG INDUSTRIES INC·Filed 1979·Granted Feb 3, 1981·7 cites·12 claims
- 1348US4152239ABipolar electrolyzerPPG INDUSTRIES INC·Filed 1978·Granted May 1, 1979·5 cites·3 claims
- 1441US4271004ASynthetic separator electrolytic cellPPG INDUSTRIES INC·Filed 1979·Granted Jun 2, 1981·4 cites·9 claims
- 1540US4209380ACathode element for electrolytic cellPPG INDUSTRIES INC·Filed 1978·Granted Jun 24, 1980·4 cites·13 claims
- 1639US5531854ADe-laminator apparatus and methodEASTMAN KODAK CO·Filed 1994·Granted Jul 2, 1996·7 cites·6 claims
- 1732US4045324ACell liquor emission controlPPG INDUSTRIES INC·Filed 1976·Granted Aug 30, 1977·1 cites·4 claims
- 1831US4085015AElectrolysis cell liquor emission control processPPG INDUSTRIES INC·Filed 1977·Granted Apr 18, 1978·1 cites·2 claims
- 1927US4016064ADiaphragm cell cathode structurePPG INDUSTRIES INC·Filed 1975·Granted Apr 5, 1977·2 cites·10 claims
- 2023US4027618APuncture detecting deviceCUNNINGHAM JR HUGH·Filed 1976·Granted Jun 7, 1977·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →