Inventor · disambiguated record
Robert G. Frank
Also filed as: CANONACO RUDY · FRANK ROBERT G
53 granted patents·1,431 citations·filing 1974–2004
99Inventor score
Top patents by PatentIndex Score
53 records- 0197US3992182AConveying sheets at non-uniform speedPPG INDUSTRIES INC·Filed 1974·Granted Nov 16, 1976·71 cites·6 claims
- 0296US4746348AHorizontal press bending apparatus and methodPPG INDUSTRIES INC·Filed 1986·Granted May 24, 1988·59 cites·26 claims
- 0395US4662925AHorizontal press bending of heat softened glass sheetsPPG INDUSTRIES INC·Filed 1985·Granted May 5, 1987·70 cites·34 claims
- 0495US4092141AMethod and apparatus for handling glass sheets for shaping and coolingPPG INDUSTRIES INC·Filed 1977·Granted May 30, 1978·64 cites·8 claims
- 0592US4711653AInnovative press bending of thermoplastic sheetsPPG INDUSTRIES INC·Filed 1986·Granted Dec 8, 1987·51 cites·24 claims
- 0691US5286271AMethod and apparatus for bending glass sheetsPPG INDUSTRIES INC·Filed 1992·Granted Feb 15, 1994·71 cites·20 claims
- 0790US4272274ASlotted glass sheet shaping moldPPG INDUSTRIES INC·Filed 1979·Granted Jun 9, 1981·40 cites·6 claims
- 0889US4666492AMethod and apparatus for shaping glass sheetsPPG INDUSTRIES INC·Filed 1985·Granted May 19, 1987·41 cites·22 claims
- 0989US4058200AOrienting and aligning moving glass sheetsPPG INDUSTRIES INC·Filed 1975·Granted Nov 15, 1977·38 cites·12 claims
- 1088US4285715ACycle of mold movement while press bending glass sheetsPPG INDUSTRIES INC·Filed 1980·Granted Aug 25, 1981·35 cites·19 claims
- 1188US4197108ASlotted glass sheet shaping moldPPG INDUSTRIES INC·Filed 1978·Granted Apr 8, 1980·39 cites·7 claims
- 1288US3934996AConveyor rolls on conveyor roll systems for roll forming apparatusPPG INDUSTRIES INC·Filed 1974·Granted Jan 27, 1976·28 cites·14 claims
- 1387US4666493ASheet positioning systemPPG INDUSTRIES INC·Filed 1985·Granted May 19, 1987·35 cites·22 claims
- 1486US4252552AShaping glass sheets using molds of different shapesPPG INDUSTRIES INC·Filed 1979·Granted Feb 24, 1981·30 cites·21 claims
- 1585US5833729AMethod and apparatus for bending glass sheetsPPG INDUSTRIES INC·Filed 1996·Granted Nov 10, 1998·47 cites·28 claims
- 1684US4804397APartial press in gravity bending furnace and method of usePPG INDUSTRIES INC·Filed 1987·Granted Feb 14, 1989·36 cites·20 claims
- 1784US4541758AMeans and method for lubricating core drillsPPG INDUSTRIES INC·Filed 1984·Granted Sep 17, 1985·43 cites·18 claims
- 1883US4433993AGlass sheet shaping and tempering using multiple cooling stationsPPG INDUSTRIES INC·Filed 1982·Granted Feb 28, 1984·28 cites·5 claims
- 1982US4661139AVacuum pressing of glass doubletsPPG INDUSTRIES INC·Filed 1985·Granted Apr 28, 1987·27 cites·23 claims
- 2082US4185986AApparatus for handling glass sheets during shaping and coolingPPG INDUSTRIES INC·Filed 1978·Granted Jan 29, 1980·26 cites·8 claims
- 2181US5858047AMethod and apparatus of bending glass sheetsPPG INDUSTRIES INC·Filed 1996·Granted Jan 12, 1999·33 cites·27 claims
- 2281US4526605AVacuum mold for shaping glass sheetsPPG INDUSTRIES INC·Filed 1983·Granted Jul 2, 1985·26 cites·11 claims
- 2381US4236909AProducing glass sheets having improved break patternsPPG INDUSTRIES INC·Filed 1979·Granted Dec 2, 1980·25 cites·9 claims
- 2480US4187095AMethod and apparatus for handling glass sheets during shaping and coolingPPG INDUSTRIES INC·Filed 1978·Granted Feb 5, 1980·24 cites·8 claims
- 2579US4430110AShaping sheets of glass or other deformable material to a compound curvaturePPG INDUSTRIES INC·Filed 1982·Granted Feb 7, 1984·24 cites·11 claims
- 2678US7459199B2Method of and apparatus for strengthening edges of one or more glass sheetsPPG IND OHIO INC·Filed 2004·Granted Dec 2, 2008·23 cites·19 claims
- 2778US4556408ADual ring segmented block tempering ringPPG INDUSTRIES INC·Filed 1984·Granted Dec 3, 1985·22 cites·18 claims
- 2878US4501603AMethod and apparatus for shaping glass sheets to complicated shapesPPG INDUSTRIES INC·Filed 1983·Granted Feb 26, 1985·24 cites·23 claims
- 2978US4221580AGlass sheet vacuum molding apparatus with uniform release meansPPG INDUSTRIES INC·Filed 1978·Granted Sep 9, 1980·22 cites·8 claims
- 3077US5320661AMethod and apparatus of bending glass sheetsPPG INDUSTRIES INC·Filed 1992·Granted Jun 14, 1994·28 cites·21 claims
- 3174US5849056AElectrically activated flexible press for shaping heat softenable sheet materialPPG INDUSTRIES INC·Filed 1995·Granted Dec 15, 1998·25 cites·18 claims
- 3274US5118335ATempering ring designPPG INDUSTRIES INC·Filed 1990·Granted Jun 2, 1992·25 cites·15 claims
- 3373US4483702AMultiple chamber vacuum holder used to shape glass sheets with means to isolate adjacent vacuum chambersPPG INDUSTRIES INC·Filed 1983·Granted Nov 20, 1984·19 cites·8 claims
- 3472US7237408B2Flexible surface mold and method of usePPG IND OHIO INC·Filed 2003·Granted Jul 3, 2007·6 cites·47 claims
- 3572US4556407ATempering ring with pivoting glass sheet support memberPPG INDUSTRIES INC·Filed 1984·Granted Dec 3, 1985·20 cites·17 claims
- 3672US3992181AShaping glass sheetsPPG INDUSTRIES INC·Filed 1975·Granted Nov 16, 1976·18 cites·10 claims
- 3769US4470835AShaping sheets of glass or other deformable material to a complicated curvaturePPG INDUSTRIES INC·Filed 1982·Granted Sep 11, 1984·17 cites·13 claims
- 3868US4596592AStop members for glass sheet shaping moldsPPG INDUSTRIES INC·Filed 1985·Granted Jun 24, 1986·17 cites·10 claims
- 3965US3978974AConveying glass sheets of different curvaturesPPG INDUSTRIES INC·Filed 1975·Granted Sep 7, 1976·18 cites·10 claims
- 4063US4979977ABending iron having member to effect reverse bend and method of using samePPG INDUSTRIES INC·Filed 1989·Granted Dec 25, 1990·14 cites·14 claims
- 4162US4368065AMethod and apparatus to remove bent, tempered glass sheets from a cooling stationPPG INDUSTRIES INC·Filed 1981·Granted Jan 11, 1983·14 cites·7 claims
- 4261US4610579ACore drill bit with dynamic cooling fluid flow control meansPPG INDUSTRIES INC·Filed 1985·Granted Sep 9, 1986·22 cites·20 claims
- 4361US4518411AShaping glass sheets to complicated shapes using special lift moldPPG INDUSTRIES INC·Filed 1983·Granted May 21, 1985·13 cites·13 claims
- 4455US4043783APress shaping glass sheetsPPG INDUSTRIES INC·Filed 1976·Granted Aug 23, 1977·10 cites·15 claims
- 4551US5656055ASheet shaping pressPPG INDUSTRIES INC·Filed 1995·Granted Aug 12, 1997·12 cites·20 claims
- 4651US5649990ACombination flexible/rigid ring moldPPG INDUSTRIES INC·Filed 1995·Granted Jul 22, 1997·13 cites·19 claims
- 4750US4225333AGlass sheet tempering apparatusPPG INDUSTRIES INC·Filed 1978·Granted Sep 30, 1980·8 cites·7 claims
- 4848US5507852AGlass sheet quenchPPG INDUSTRIES INC·Filed 1994·Granted Apr 16, 1996·10 cites·6 claims
- 4937US5085680ADeformable side seal for furnaces and method for usingPPG INDUSTRIES INC·Filed 1990·Granted Feb 4, 1992·7 cites·14 claims
- 5035US4074995AMethod of shaping glass sheets by the roll forming methodPPG INDUSTRIES INC·Filed 1976·Granted Feb 21, 1978·3 cites·8 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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