John W. Schwer

Follow

Person

Munster, IN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Slag-retaining plug for metal pouring operations
- Patent number 4,725,045
- Issue date Feb 16, 1988
- James R. Cutre
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method and article of manufacture for controlling slag carry-over d...
- Patent number 4,526,349
- Issue date Jul 2, 1985
- John W. Schwer
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Steelmaking additive composition
- Patent number 4,490,173
- Issue date Dec 25, 1984
- John W. Schwer
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and composition for foaming slag in electric arc furnace
- Patent number 4,447,265
- Issue date May 8, 1984
- John W. Schwer
- C21 - METALLURGY OF IRON
Information Patent Grant
Steelmaking additive composition
- Patent number 4,417,924
- Issue date Nov 29, 1983
- John W. Schwer
- C21 - METALLURGY OF IRON