Inventor
CLAASSEN GEORGE R
US25 patents
Patents
25 patentsUS4662925AMay 5, 1987
Horizontal press bending of heat softened glass sheets
PPG INDUSTRIES INC70 citations95
US4508556AApr 2, 1985
Method and apparatus for bending glass sheets to complicated shapes including an S-shaped transverse bend
PPG INDUSTRIES INC63 citations95
US5118335AJun 2, 1992
Tempering ring design
PPG INDUSTRIES INC25 citations92
US4767437AAug 30, 1988
Horizontal press bending using a splitting vacuum/pressure pickup
PPG INDUSTRIES INC37 citations92
US4711653ADec 8, 1987
Innovative press bending of thermoplastic sheets
PPG INDUSTRIES INC51 citations92
US4579577AApr 1, 1986
Vacuum press mold construction
PPG INDUSTRIES INC45 citations92
US4666492AMay 19, 1987
Method and apparatus for shaping glass sheets
PPG INDUSTRIES INC41 citations91
US5259859ANov 9, 1993
Lightweight vacuum shuttle
PPG INDUSTRIES INC25 citations90
US4767434AAug 30, 1988
Horizontal press bending pickup and delivery system
PPG INDUSTRIES INC31 citations90
US5669952ASep 23, 1997
Pressure forming of glass sheets
PPG INDUSTRIES INC40 citations89
US4430110AFeb 7, 1984
Shaping sheets of glass or other deformable material to a compound curvature
PPG INDUSTRIES INC24 citations82
US4318728AMar 9, 1982
Double link arrangement for press bending molds and method of press shaping glass sheets
PPG INDUSTRIES INC23 citations82
US4236909ADec 2, 1980
Producing glass sheets having improved break patterns
PPG INDUSTRIES INC25 citations81
US4741751AMay 3, 1988
Extended surface pressing mold and method of sheet shaping
PPG INDUSTRIES INC23 citations80
US4518411AMay 21, 1985
Shaping glass sheets to complicated shapes using special lift mold
PPG INDUSTRIES INC13 citations74
US4470835ASep 11, 1984
Shaping sheets of glass or other deformable material to a complicated curvature
PPG INDUSTRIES INC17 citations74
US4487623ADec 11, 1984
Method of and apparatus for removing sharply bent glass sheets from press bending molds
PPG INDUSTRIES INC13 citations73
US4430111AFeb 7, 1984
Method and apparatus to remove sharply bent, tempered glass sheets from a cooling station
PPG INDUSTRIES INC11 citations73
US5769919AJun 23, 1998
Pressure forming of glass sheets
PPG INDUSTRIES INC15 citations70
US4274858AJun 23, 1981
Molds for press bending glass sheets
PPG INDUSTRIES INC12 citations69
US4169622AOct 2, 1979
Tong for supporting glass sheets having their edges welded together
PPG INDUSTRIES INC12 citations69
US4244724AJan 13, 1981
Double link arrangement for press bending molds
PPG INDUSTRIES INC3 citations63
US4210435AJul 1, 1980
Method of making accent lines in bent glass sheets
PPG INDUSTRIES INC6 citations63
US4331464AMay 25, 1982
Glass sheet support of ring-like configuration
PPG INDUSTRIES INC6 citations62
US4488892ADec 18, 1984
Pivotal shaped auxiliary gas heater for glass sheet shaping molds
PPG INDUSTRIES INC1 citations52