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David A. Endrigo
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Keyport, WA, US
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Patents Grants
last 30 patents
Information
Patent Grant
High-efficiency catalytic converters for treating exhaust gases
Patent number
8,765,084
Issue date
Jul 1, 2014
in the works...
Todd K. Hansen
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
High-efficiency catalytic converters for treating exhaust gases
Patent number
8,298,504
Issue date
Oct 30, 2012
in the works...
Todd K. Hansen
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
High-efficiency catalytic converters for treating exhaust gases
Patent number
8,034,310
Issue date
Oct 11, 2011
in the works...
Todd K. Hansen
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
High-efficiency catalytic converters for treating exhaust gases
Patent number
7,807,120
Issue date
Oct 5, 2010
in the works...
Todd K. Hansen
F28 - HEAT EXCHANGE IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
HIGH-EFFICIENCY CATALYTIC CONVERTERS FOR TREATING EXHAUST GASES
Publication number
20160236149
Publication date
Aug 18, 2016
In The Works
Todd K. Hansen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
VALVE SEATS FOR CYLINDER HEADS IN AIRCRAFT ENGINES
Publication number
20160076480
Publication date
Mar 17, 2016
DAVID ENDRIGO
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
CYLINDER HEADS FOR AIRCRAFT ENGINES
Publication number
20150322885
Publication date
Nov 12, 2015
DAVID ENDRIGO
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
HIGH-EFFICIENCY CATALYTIC CONVERTERS FOR TREATING EXHAUST GASES
Publication number
20150110693
Publication date
Apr 23, 2015
In The Works
Todd K. Hansen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
VALVE SEATS FOR CYLINDER HEADS IN AIRCRAFT ENGINES
Publication number
20130333656
Publication date
Dec 19, 2013
DAVID ENDRIGO
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
HIGH-EFFICIENCY CATALYTIC CONVERTERS FOR TREATING EXHAUST GASES
Publication number
20130266496
Publication date
Oct 10, 2013
Todd K. Hansen
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
CYLINDER HEADS FOR AIRCRAFT ENGINES
Publication number
20130199489
Publication date
Aug 8, 2013
DAVID ENDRIGO
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
HIGH-EFFICIENCY CATALYTIC CONVERTERS FOR TREATING EXHAUST GASES
Publication number
20120020858
Publication date
Jan 26, 2012
in the works...
Todd K. Hansen
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
HIGH-EFFICIENCY CATALYTIC CONVERTERS FOR TREATING EXHAUST GASES
Publication number
20110014098
Publication date
Jan 20, 2011
in the works...
Todd K. Hansen
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
HIGH-EFFICIENCY CATALYTIC CONVERTERS FOR TREATING EXHAUST GASES
Publication number
20090175772
Publication date
Jul 9, 2009
in the works...
Todd K. Hansen
F28 - HEAT EXCHANGE IN GENERAL