Inventor · disambiguated record
John J. Ewing
Also filed as: EWING JOHN J
20 granted patents·456 citations·filing 1981–1990
96Inventor score
Technology areasC03B
Files withPPG INDUSTRIES INC20
Top patents by PatentIndex Score
20 records- 0195US4662925AHorizontal press bending of heat softened glass sheetsPPG INDUSTRIES INC·Filed 1985·Granted May 5, 1987·70 cites·34 claims
- 0289US4666492AMethod and apparatus for shaping glass sheetsPPG INDUSTRIES INC·Filed 1985·Granted May 19, 1987·41 cites·22 claims
- 0388US4737182AGlass sheet press support and alignment systemsPPG INDUSTRIES INC·Filed 1986·Granted Apr 12, 1988·38 cites·16 claims
- 0483US4666496AShuttling support frame for vacuum pickupPPG INDUSTRIES INC·Filed 1985·Granted May 19, 1987·30 cites·13 claims
- 0582US4661139AVacuum pressing of glass doubletsPPG INDUSTRIES INC·Filed 1985·Granted Apr 28, 1987·27 cites·23 claims
- 0681US4526605AVacuum mold for shaping glass sheetsPPG INDUSTRIES INC·Filed 1983·Granted Jul 2, 1985·26 cites·11 claims
- 0779US4430110AShaping sheets of glass or other deformable material to a compound curvaturePPG INDUSTRIES INC·Filed 1982·Granted Feb 7, 1984·24 cites·11 claims
- 0878US4556408ADual ring segmented block tempering ringPPG INDUSTRIES INC·Filed 1984·Granted Dec 3, 1985·22 cites·18 claims
- 0978US4501603AMethod and apparatus for shaping glass sheets to complicated shapesPPG INDUSTRIES INC·Filed 1983·Granted Feb 26, 1985·24 cites·23 claims
- 1075US4525196AGlass sheet handling devicesPPG INDUSTRIES INC·Filed 1984·Granted Jun 25, 1985·23 cites·6 claims
- 1174US5118335ATempering ring designPPG INDUSTRIES INC·Filed 1990·Granted Jun 2, 1992·25 cites·15 claims
- 1273US4483702AMultiple 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
- 1372US4556407ATempering ring with pivoting glass sheet support memberPPG INDUSTRIES INC·Filed 1984·Granted Dec 3, 1985·20 cites·17 claims
- 1469US4470835AShaping sheets of glass or other deformable material to a complicated curvaturePPG INDUSTRIES INC·Filed 1982·Granted Sep 11, 1984·17 cites·13 claims
- 1560US4487623AMethod of and apparatus for removing sharply bent glass sheets from press bending moldsPPG INDUSTRIES INC·Filed 1983·Granted Dec 11, 1984·13 cites·12 claims
- 1655US4430111AMethod and apparatus to remove sharply bent, tempered glass sheets from a cooling stationPPG INDUSTRIES INC·Filed 1982·Granted Feb 7, 1984·11 cites·7 claims
- 1753US4539031AApparatus for press shaping hot glass sheetsPPG INDUSTRIES INC·Filed 1984·Granted Sep 3, 1985·10 cites·1 claims
- 1852US4579573AForming glass sheets of specialized asymmetric configurationsPPG INDUSTRIES INC·Filed 1984·Granted Apr 1, 1986·9 cites·8 claims
- 1942US4331464AGlass sheet support of ring-like configurationPPG INDUSTRIES INC·Filed 1981·Granted May 25, 1982·6 cites·6 claims
- 2030US4488892APivotal shaped auxiliary gas heater for glass sheet shaping moldsPPG INDUSTRIES INC·Filed 1983·Granted Dec 18, 1984·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →