Edward L. Erny

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Bethel Park, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
precast module leveling assembly for a metallurgical vessel
- Patent number 5,882,583
- Issue date Mar 16, 1999
- Harbison-Walker Refractories Company
- Edward L. Erny
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Metallurgical vessel and method of using the same
- Patent number 5,879,616
- Issue date Mar 9, 1999
- Harbison-Walker Refractories Company
- Edward L. Erny
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Ladle brick leveling set
- Patent number 5,824,263
- Issue date Oct 20, 1998
- Harbison-Walker Refractories Company
- Edward L. Erny
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Refractory brick design for open end of refractory lined vessel
- Patent number 5,562,880
- Issue date Oct 8, 1996
- Indresco Inc.
- Edward L. Erny
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Refractory brick design for open end of refractory lined vessel
- Patent number 5,427,360
- Issue date Jun 27, 1995
- Indresco Inc.
- Edward L. Erny
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Prevention of slag buildup in steel ladles
- Patent number 4,909,484
- Issue date Mar 20, 1990
- Dresser Industries, Inc.
- Peter T. Sutor
- B22 - CASTING POWDER METALLURGY