Joseph R. Waitlevertch

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Butler, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Rotational lance drive and rotational lance injection method
- Patent number 9,259,780
- Issue date Feb 16, 2016
- ESM Group Inc.
- Joseph R. Waitlevertch
- C21 - METALLURGY OF IRON
Information Patent Grant
Dual outlet injection system
- Patent number 8,623,270
- Issue date Jan 7, 2014
- ESM Group Inc.
- Joseph R. Waitlevertch
- C21 - METALLURGY OF IRON
Information Patent Grant
Skimmer apparatus and method
- Patent number 7,939,012
- Issue date May 10, 2011
- ESM Group Inc.
- Joseph R. Waitlevertch
- C21 - METALLURGY OF IRON
Information Patent Grant
Wire injector apparatus
- Patent number 7,584,876
- Issue date Sep 8, 2009
- ESM Group Inc.
- Joseph R. Waitlevertch
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for desulfurization of iron utilizing two spaced apart la...
- Patent number 6,010,658
- Issue date Jan 4, 2000
- ESM III
- Michael S. Ross
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
ROTATIONAL LANCE DRIVE AND ROTATIONAL LANCE
- Publication number 20140263703
- Publication date Sep 18, 2014
- Joseph R. WAITLEVERTCH
- C21 - METALLURGY OF IRON
Information Patent Application
DUAL OUTLET INJECTION SYSTEM
- Publication number 20110167963
- Publication date Jul 14, 2011
- ESM GROUP INC.
- Joseph R. Waitlevertch
- C21 - METALLURGY OF IRON
Information Patent Application
SKIMMER APPARATUS AND METHOD
- Publication number 20090267274
- Publication date Oct 29, 2009
- Joseph R. Waitlevertch
- C21 - METALLURGY OF IRON
Information Patent Application
Wire injector apparatus
- Publication number 20080041909
- Publication date Feb 21, 2008
- Joseph R. Waitlevertch
- C21 - METALLURGY OF IRON