JK

John D. Kellar

PI Ppg Industries: 12 patents #70 of 1,216Top 6%
Overall (All Time): #429,715 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5049178 Partial press apparatus and method for glass sheet bending Gordon F. Pereman 1991-09-17
4988398 Laminate prepress roll assembly Gordon F. Pereman 1991-01-29
4511386 Deformable vacuum holder used to shape glass sheets Gordon F. Pereman 1985-04-16
4511387 Vacuum holder with anti-bulging means used to shape glass sheets Gordon F. Pereman 1985-04-16
4483701 Cooling vacuum holder by suction fluid flow Gordon F. Pereman 1984-11-20
4483703 Deformable vacuum holder with helical coil springs for shaping glass Gordon F. Pereman 1984-11-20
4349375 Deformable vacuum mold for shaping glass sheets Gordon F. Pereman 1982-09-14
4325723 Transferring rigid sheets from one conveyor to another Gordon F. Pereman 1982-04-20
4311503 Method of controlling temperature of glass exiting furnaces Gordon F. Pereman 1982-01-19
4297118 Controlling overheating of vacuum mold used to shape glass sheets Gordon F. Pereman 1981-10-27
4278193 Glass breaking and separating apparatus and method Gordon F. Pereman 1981-07-14
4277276 Method and apparatus for shaping glass sheets using deformable vacuum mold Gordon F. Pereman 1981-07-07