Inventor

FRANK ROBERT G

US53 patents

⚠️ This page may combine multiple inventors who share the name “FRANK ROBERT G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FRANK ROBERT G

PPG INDUSTRIES INC

Horizontal press bending apparatus and method

Conveying sheets at non-uniform speed

Horizontal press bending of heat softened glass sheets

Method and apparatus for handling glass sheets for shaping and cooling

Method and apparatus of bending glass sheets

Method and apparatus for bending glass sheets

Glass sheet shaping and tempering using multiple cooling stations

Cycle of mold movement while press bending glass sheets

Shaping glass sheets using molds of different shapes

Orienting and aligning moving glass sheets

Tempering ring design

Innovative press bending of thermoplastic sheets

Sheet positioning system

Vacuum pressing of glass doublets

Method and apparatus for shaping glass sheets

Electrically activated flexible press for shaping heat softenable sheet material

Means and method for lubricating core drills

Slotted glass sheet shaping mold

Slotted glass sheet shaping mold

Method and apparatus for bending glass sheets

Partial press in gravity bending furnace and method of use

Method and apparatus of bending glass sheets

Dual ring segmented block tempering ring

Vacuum mold for shaping glass sheets

Method and apparatus for shaping glass sheets to complicated shapes

Shaping sheets of glass or other deformable material to a compound curvature

Glass sheet vacuum molding apparatus with uniform release means

Method and apparatus for handling glass sheets during shaping and cooling

Apparatus for handling glass sheets during shaping and cooling

Conveyor rolls on conveyor roll systems for roll forming apparatus

Producing glass sheets having improved break patterns

Tempering ring with pivoting glass sheet support member

Core drill bit with dynamic cooling fluid flow control means

Bending iron having member to effect reverse bend and method of using same

Stop members for glass sheet shaping molds

Shaping glass sheets to complicated shapes using special lift mold

Multiple chamber vacuum holder used to shape glass sheets with means to isolate adjacent vacuum chambers

Shaping sheets of glass or other deformable material to a complicated curvature

Method and apparatus to remove bent, tempered glass sheets from a cooling station

Glass sheet tempering apparatus

Press shaping glass sheets

Shaping glass sheets

Glass sheet quench

Sheet shaping press

Combination flexible/rigid ring mold

Conveying glass sheets of different curvatures

Deformable side seal for furnaces and method for using

Method of fabricating a curved glass panel having a removable section and glass panel with a removable section

Method of shaping glass sheets by the roll forming method

PPG IND OHIO INC

Method of and apparatus for strengthening edges of one or more glass sheets