Inventor
CATHERS WILLIAM P
US11 patents
Patents
11 patentsUS4228993AOct 21, 1980
Sheet orienting and transporting frame
PPG INDUSTRIES INC78 citations95
US4111412ASep 5, 1978
Conveyor for separating and aligning glass sheets
PPG INDUSTRIES INC58 citations95
US4756735AJul 12, 1988
In-lehr press bending
PPG INDUSTRIES INC39 citations92
US4587769AMay 13, 1986
Grinding wheel wear compensation system
PPG INDUSTRIES INC31 citations92
US4362461ADec 7, 1982
Selective vacuum lifting device
PPG INDUSTRIES INC36 citations92
US4111150ASep 5, 1978
Apparatus for coating an advancing substrate
PPG INDUSTRIES INC53 citations92
US4398979AAug 16, 1983
Vacuum channel method of laminating glass sheets
PPG INDUSTRIES INC59 citations90
US4626267ADec 2, 1986
Method and apparatus to reduce tip curl of a glass sheet on a bending mold
PPG INDUSTRIES INC20 citations80
US4200420AApr 29, 1980
Frame having rotating orienting members
PPG INDUSTRIES INC20 citations78
US4239016ADec 16, 1980
Apparatus for handling flexible sheet while applying graded shade band thereon
PPG INDUSTRIES INC14 citations69
US4155495AMay 22, 1979
Glass cutter with conveyor for separating and aligning glass sheets
PPG INDUSTRIES INC3 citations62