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Paul E. Tiegs
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Beaverton, OR, US
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Patents Grants
last 30 patents
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Patent Grant
Device and method for reducing fireplace particulate emissions
Patent number
7,490,601
Issue date
Feb 17, 2009
Paul E. Tiegs
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Device and method for reducing fireplace particulate emissions
Patent number
7,275,929
Issue date
Oct 2, 2007
Paul E. Tiegs
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Device and method for reducing fireplace particulate emissions
Patent number
6,968,838
Issue date
Nov 29, 2005
Paul E. Tiegs
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Apparatus and method for accomplishing efficient burning of biomass...
Patent number
4,438,756
Issue date
Mar 27, 1984
Chamberlain; Joseph G.
Joseph G. Chamberlain
F24 - HEATING RANGES VENTILATING
Patents Applications
last 30 patents
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Patent Application
Device and method for reducing fireplace particulate emissions
Publication number
20070256616
Publication date
Nov 8, 2007
Paul E. Tiegs
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
Device and method for reducing fireplace particulate emissions
Publication number
20060157047
Publication date
Jul 20, 2006
Paul E. Tiegs
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES