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DB RILEY, INC
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WORCESTER, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Low emission U-fired boiler combustion system
Patent number
6,058,855
Issue date
May 9, 2000
DB Riley, Inc.
Terence Ake
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Heat recovery steam generator
Patent number
5,730,088
Issue date
Mar 24, 1998
DB Riley, Inc.
Robert J. Foley
F22 - STEAM GENERATION
Information
Patent Grant
Heat recovery steam generating apparatus
Patent number
5,722,354
Issue date
Mar 3, 1998
DB Riley, Inc.
Donald M. Sansoucy
F22 - STEAM GENERATION
Information
Patent Grant
Variable orifice plate for coal pipes
Patent number
5,685,240
Issue date
Nov 11, 1997
DB Riley, Inc.
Oliver G. Briggs
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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
Variable orifice plate for coal pipes
Patent number
5,593,131
Issue date
Jan 14, 1997
DB Riley, Inc.
Oliver G. Briggs
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Modular duct liner panel
Patent number
5,460,206
Issue date
Oct 24, 1995
DB Riley, Inc.
Donald M. Sansoucy
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
75913014 - DELTA WING
Serial number
75913014
Registration number
2481806
Filing date
Feb 8, 2000
DB Riley, Inc.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes