Steven R. Pinkstock

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Amanda, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Freight car yoke molding apparatus and method
- Patent number 8,627,875
- Issue date Jan 14, 2014
- Columbus Steel Castings Company
- Steven R. Pinkstock
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Bearing housing molding apparatus and method
- Patent number 8,448,691
- Issue date May 28, 2013
- Columbus Steel Castings Company
- Steven R. Pinkstock
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Molding apparatus and method
- Patent number 7,543,626
- Issue date Jun 9, 2009
- Columbus Steel Castings Company
- Steven R. Pinkstock
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Traction pins for railway cars
- Patent number 6,857,375
- Issue date Feb 22, 2005
- Columbus Steel Castings Co.
- Bruce A. Milligan
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
FREIGHT CAR YOKE MOLDING APPARATUS AND METHOD
- Publication number 20140034263
- Publication date Feb 6, 2014
- Columbus Steel Castings Company
- Steven R. Pinkstock
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Traction pins for railway cars
- Publication number 20020011174
- Publication date Jan 31, 2002
- Bruce A. Milligan
- B61 - RAILWAYS