John D. Kellar

Person

Pontypool, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Partial press apparatus and method for glass sheet bending
- Patent number 5,049,178
- Issue date Sep 17, 1991
- PPG Industries, Inc.
- Gordon F. Pereman
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Laminate prepress roll assembly
- Patent number 4,988,398
- Issue date Jan 29, 1991
- PPG Industries, Inc.
- Gordon F. Pereman
- B32 - LAYERED PRODUCTS
Information Patent Grant
Vacuum holder with anti-bulging means used to shape glass sheets
- Patent number 4,511,387
- Issue date Apr 16, 1985
- PPG Industries, Inc.
- John D. Kellar
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Deformable vacuum holder used to shape glass sheets
- Patent number 4,511,386
- Issue date Apr 16, 1985
- PPG Industries, Inc.
- John D. Kellar
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Cooling vacuum holder by suction fluid flow
- Patent number 4,483,701
- Issue date Nov 20, 1984
- PPG Industries, Inc.
- John D. Kellar
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Deformable vacuum holder with helical coil springs for shaping glass
- Patent number 4,483,703
- Issue date Nov 20, 1984
- PPG Industries, Inc.
- John D. Kellar
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Deformable vacuum mold for shaping glass sheets
- Patent number 4,349,375
- Issue date Sep 14, 1982
- PPG Industries, Inc.
- John D. Kellar
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Transferring rigid sheets from one conveyor to another
- Patent number 4,325,723
- Issue date Apr 20, 1982
- PPG Industries, Inc.
- John D. Kellar
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method of controlling temperature of glass exiting furnaces
- Patent number 4,311,503
- Issue date Jan 19, 1982
- PPG Industries, Inc.
- John D. Kellar
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Controlling overheating of vacuum mold used to shape glass sheets
- Patent number 4,297,118
- Issue date Oct 27, 1981
- PPG Industries, Inc.
- John D. Kellar
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Glass breaking and separating apparatus and method
- Patent number 4,278,193
- Issue date Jul 14, 1981
- PPG Industries, Inc.
- Gordon F. Pereman
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method and apparatus for shaping glass sheets using deformable vacu...
- Patent number 4,277,276
- Issue date Jul 7, 1981
- PPG Industries, Inc.
- John D. Kellar
- C03 - GLASS MINERAL OR SLAG WOOL

John D. Kellar

Person

Patents Grantslast 30 patents

Partial press apparatus and method for glass sheet bending

Laminate prepress roll assembly

Vacuum holder with anti-bulging means used to shape glass sheets

Deformable vacuum holder used to shape glass sheets

Cooling vacuum holder by suction fluid flow

Deformable vacuum holder with helical coil springs for shaping glass

Deformable vacuum mold for shaping glass sheets

Transferring rigid sheets from one conveyor to another

Method of controlling temperature of glass exiting furnaces

Controlling overheating of vacuum mold used to shape glass sheets

Glass breaking and separating apparatus and method

Method and apparatus for shaping glass sheets using deformable vacu...