John F. Krumwiede

Person

Cresattown, MD, US

People

Patents Grantslast 30 patents

Information Patent Grant
Blue privacy glass
- Patent number 6,656,862
- Issue date Dec 2, 2003
- PPG Industries Ohio, Inc.
- John F. Krumwiede
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Bronze privacy glass
- Patent number 6,455,452
- Issue date Sep 24, 2002
- PPG Industries Ohio, Inc.
- John F. Krumwiede
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Green privacy glass
- Patent number 6,413,893
- Issue date Jul 2, 2002
- PPG Industries Ohio, Inc.
- Larry J. Shelestak
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Gray glass composition
- Patent number 6,274,523
- Issue date Aug 14, 2001
- PPG Industris Ohio, Inc.
- John F. Krumwiede
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Gray glass composition
- Patent number 6,114,264
- Issue date Sep 5, 2000
- PPG Industries Ohio, Inc.
- John F. Krumwiede
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Green privacy glass
- Patent number 6,103,650
- Issue date Aug 15, 2000
- PPG Industries Ohio, Inc.
- John F. Krumwiede
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Ultraviolet absorbing green tinted glass
- Patent number 5,593,929
- Issue date Jan 14, 1997
- PPG Industries, Inc.
- John F. Krumwiede
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Bronze glass composition
- Patent number 5,565,388
- Issue date Oct 15, 1996
- PPG Industries, Inc.
- John F. Krumwiede
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Dark gray, infrared absorbing glass composition and coated glass fo...
- Patent number 5,393,593
- Issue date Feb 28, 1995
- PPG Industries, Inc.
- Joseph A. Gulotta
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Neutral gray, low transmittance, nickel-free glass
- Patent number 5,023,210
- Issue date Jun 11, 1991
- PPG Industries, Inc.
- John F. Krumwiede
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Barrier apparatus and method of use for melting and refining glass...
- Patent number 4,818,265
- Issue date Apr 4, 1989
- PPG Industries, Inc.
- John F. Krumwiede
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Continuously flushed thermocouple assembly
- Patent number 4,747,883
- Issue date May 31, 1988
- PPG Industries, Inc.
- John F. Krumwiede
- G01 - MEASURING TESTING
Information Patent Grant
Bubbler with protective sleeve or fluid coolant jacket
- Patent number 4,600,425
- Issue date Jul 15, 1986
- PPG Industries, Inc.
- John F. Krumwiede
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Energy efficient and anti-corrosive burner nozzle construction and...
- Patent number 4,565,560
- Issue date Jan 21, 1986
- PPG Industries, Inc.
- John F. Krumwiede
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Organic wetting of glass batch
- Patent number 4,551,161
- Issue date Nov 5, 1985
- PPG Industries, Inc.
- Edward P. Savolskis
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method and apparatus for controlling currents in glass melter
- Patent number 4,544,396
- Issue date Oct 1, 1985
- PPG Industries, Inc.
- John F. Krumwiede
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for controlling currents in glass melter
- Patent number 4,536,205
- Issue date Aug 20, 1985
- PPG Industries, Inc.
- John F. Krumwiede
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Glass melting method using cullet as particulate collection medium
- Patent number 4,410,347
- Issue date Oct 18, 1983
- PPG Industries, Inc.
- John F. Krumwiede
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Melting glass with two stage NO.sub.x control
- Patent number 4,372,770
- Issue date Feb 8, 1983
- PPG Industries, Inc.
- John F. Krumwiede
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Glass melting method using cullet as heat recovery and particulate...
- Patent number 4,350,512
- Issue date Sep 21, 1982
- PPG Industries, Inc.
- John F. Krumwiede
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of recovering waste heat from furnace flue gases using a gra...
- Patent number 4,349,367
- Issue date Sep 14, 1982
- PPG Industries, Inc.
- John F. Krumwiede
- F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Gray glass composition
- Publication number 20010025002
- Publication date Sep 27, 2001
- John F. Krumwiede
- C03 - GLASS MINERAL OR SLAG WOOL

John F. Krumwiede

Person

Patents Grantslast 30 patents

Blue privacy glass

Bronze privacy glass

Green privacy glass

Gray glass composition

Gray glass composition

Green privacy glass

Ultraviolet absorbing green tinted glass

Bronze glass composition

Dark gray, infrared absorbing glass composition and coated glass fo...

Neutral gray, low transmittance, nickel-free glass

Barrier apparatus and method of use for melting and refining glass...

Continuously flushed thermocouple assembly

Bubbler with protective sleeve or fluid coolant jacket

Energy efficient and anti-corrosive burner nozzle construction and...

Organic wetting of glass batch

Method and apparatus for controlling currents in glass melter

Method for controlling currents in glass melter

Glass melting method using cullet as particulate collection medium

Melting glass with two stage NO.sub.x control

Glass melting method using cullet as heat recovery and particulate...

Method of recovering waste heat from furnace flue gases using a gra...

Patents Applicationslast 30 patents

Gray glass composition