Harold A. Walker

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Johnson City, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Bulk material storage and reclaim system
- Patent number 9,365,370
- Issue date Jun 14, 2016
- Harold A. Walker
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Three-batch coal loadout system and method
- Patent number 6,155,767
- Issue date Dec 5, 2000
- Harold A. Walker
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Coal loading system and method
- Patent number 5,772,390
- Issue date Jun 30, 1998
- Harold A. Walker
- G01 - MEASURING TESTING
Information Patent Grant
Variable height silo charge system
- Patent number 4,954,036
- Issue date Sep 4, 1990
- Harold A. Walker
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL