Inventor · disambiguated record
Robert J. Duga
Also filed as: DUGA ROBERT J
13 granted patents·340 citations·filing 1977–1987
93Inventor score
Files withEMHART IND13
Top patents by PatentIndex Score
13 records- 0194US4140464AMachine system for formation of molecularly oriented plastic bottlesEMHART IND·Filed 1977·Granted Feb 20, 1979·85 cites·12 claims
- 0292US4310282ADelay stretch and blow machine systemEMHART IND·Filed 1979·Granted Jan 12, 1982·68 cites·7 claims
- 0384US4551163AElectronic glass feeder plunger operating mechanismEMHART IND·Filed 1984·Granted Nov 5, 1985·43 cites·11 claims
- 0484US4140468APlastic bottle forming machine with modular designEMHART IND·Filed 1977·Granted Feb 20, 1979·42 cites·9 claims
- 0583US4261949AProcess for formation of molecularly oriented plastic bottlesEMHART IND·Filed 1979·Granted Apr 14, 1981·40 cites·7 claims
- 0661US4299371ANeck ring assemblyEMHART IND·Filed 1980·Granted Nov 10, 1981·21 cites·8 claims
- 0747US4723981AGob distributorEMHART IND·Filed 1987·Granted Feb 9, 1988·8 cites·2 claims
- 0847US4718933AInternally cooled gob chuteEMHART IND·Filed 1986·Granted Jan 12, 1988·9 cites·4 claims
- 0946US4723982AGob distributorEMHART IND·Filed 1987·Granted Feb 9, 1988·8 cites·4 claims
- 1046US4579572AMethod and apparatus for aligning a plunger assembly in a glass feederEMHART IND·Filed 1985·Granted Apr 1, 1986·9 cites·4 claims
- 1134US4722748AGob distributorEMHART IND·Filed 1987·Granted Feb 2, 1988·3 cites·3 claims
- 1233US4781746ADrive apparatus for straight line shear mechanismEMHART IND·Filed 1987·Granted Nov 1, 1988·3 cites·19 claims
- 1329US4667533APositive drive override mechanismEMHART IND·Filed 1985·Granted May 26, 1987·1 cites·5 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →