John J. Ewing

Person

Tarentum, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Tempering ring design
- Patent number 5,118,335
- Issue date Jun 2, 1992
- PPG Industries, Inc.
- George R. Claassen
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Glass sheet press support and alignment systems
- Patent number 4,737,182
- Issue date Apr 12, 1988
- PPG Industries, Inc.
- Michael T. Fecik
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method and apparatus for shaping glass sheets
- Patent number 4,666,492
- Issue date May 19, 1987
- PPG Industries, Inc.
- Edward A. Thimons
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Shuttling support frame for vacuum pickup
- Patent number 4,666,496
- Issue date May 19, 1987
- PPG Industries, Inc.
- Michael T. Fecik
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Horizontal press bending of heat softened glass sheets
- Patent number 4,662,925
- Issue date May 5, 1987
- PPG Industries, Inc.
- Edward A. Thimons
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Vacuum pressing of glass doublets
- Patent number 4,661,139
- Issue date Apr 28, 1987
- PPG Industries, Inc.
- Thomas J. Reese
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Forming glass sheets of specialized asymmetric configurations
- Patent number 4,579,573
- Issue date Apr 1, 1986
- PPG Industries, Inc.
- Michael T. Fecik
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Tempering ring with pivoting glass sheet support member
- Patent number 4,556,407
- Issue date Dec 3, 1985
- PPG Industries, Inc.
- Michael T. Fecik
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Dual ring segmented block tempering ring
- Patent number 4,556,408
- Issue date Dec 3, 1985
- PPG Industries, Inc.
- Michael T. Fecik
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Apparatus for press shaping hot glass sheets
- Patent number 4,539,031
- Issue date Sep 3, 1985
- PPG Industries, Inc.
- Michael T. Fecik
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Vacuum mold for shaping glass sheets
- Patent number 4,526,605
- Issue date Jul 2, 1985
- PPG Industries, Inc.
- Robert G. Frank
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Glass sheet handling devices
- Patent number 4,525,196
- Issue date Jun 25, 1985
- PPG Industries, Inc.
- Michael T. Fecik
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method and apparatus for shaping glass sheets to complicated shapes
- Patent number 4,501,603
- Issue date Feb 26, 1985
- PPG Industries, Inc.
- Robert G. Frank
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Pivotal shaped auxiliary gas heater for glass sheet shaping molds
- Patent number 4,488,892
- Issue date Dec 18, 1984
- PPG Industries, Inc.
- Robert G. Frank
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of and apparatus for removing sharply bent glass sheets from...
- Patent number 4,487,623
- Issue date Dec 11, 1984
- PPG Industries, Inc.
- George R. Claassen
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Multiple chamber vacuum holder used to shape glass sheets with mean...
- Patent number 4,483,702
- Issue date Nov 20, 1984
- PPG Industries, Inc.
- Robert G. Frank
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Shaping sheets of glass or other deformable material to a complicat...
- Patent number 4,470,835
- Issue date Sep 11, 1984
- PPG Industries, Inc.
- Michael T. Fecik
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Shaping sheets of glass or other deformable material to a compound...
- Patent number 4,430,110
- Issue date Feb 7, 1984
- PPG Industries, Inc.
- Robert G. Frank
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method and apparatus to remove sharply bent, tempered glass sheets...
- Patent number 4,430,111
- Issue date Feb 7, 1984
- PPG Industries, Inc.
- George R. Claassen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Glass sheet support of ring-like configuration
- Patent number 4,331,464
- Issue date May 25, 1982
- PPG Industries, Inc.
- George R. Claassen
- C03 - GLASS MINERAL OR SLAG WOOL

John J. Ewing

Person

Patents Grantslast 30 patents

Tempering ring design

Glass sheet press support and alignment systems

Method and apparatus for shaping glass sheets

Shuttling support frame for vacuum pickup

Horizontal press bending of heat softened glass sheets

Vacuum pressing of glass doublets

Forming glass sheets of specialized asymmetric configurations

Tempering ring with pivoting glass sheet support member

Dual ring segmented block tempering ring

Apparatus for press shaping hot glass sheets

Vacuum mold for shaping glass sheets

Glass sheet handling devices

Method and apparatus for shaping glass sheets to complicated shapes

Pivotal shaped auxiliary gas heater for glass sheet shaping molds

Method of and apparatus for removing sharply bent glass sheets from...

Multiple chamber vacuum holder used to shape glass sheets with mean...

Shaping sheets of glass or other deformable material to a complicat...

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

Method and apparatus to remove sharply bent, tempered glass sheets...

Glass sheet support of ring-like configuration