Donald S. Langille

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Worcester, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Tilting coal nozzle burner apparatus
- Patent number 5,623,884
- Issue date Apr 29, 1997
- DB Riley, Inc.
- Craig A. Penterson
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Flame retaining nozzle tip
- Patent number 5,392,720
- Issue date Feb 28, 1995
- Riley Stoker Corporation
- Oliver G. Briggs
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Furnace, burner and method for burning pulverized coal
- Patent number 4,517,904
- Issue date May 21, 1985
- Riley Stoker Corporation
- Craig A. Penterson
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES