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Robert A. Walker JR.
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Santa Clara, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Turbocharger heat shield
Patent number
8,500,398
Issue date
Aug 6, 2013
Walker Design, Inc.
Robert A. Walker
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Air filter assembly
Patent number
6,726,738
Issue date
Apr 27, 2004
Robert A. Walker
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Serviceable air filter/oil separator assembly
Patent number
6,475,255
Issue date
Nov 5, 2002
Robert A. Walker
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Remote air-oil separator
Patent number
6,422,224
Issue date
Jul 23, 2002
Walker Design, Inc.
Robert A. Walker
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Combination air-filter/air-oil separator with integral vacuum regul...
Patent number
6,009,846
Issue date
Jan 4, 2000
Robert A. Walker
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Combination in-line air-filter/air-oil separator/air-silencer with...
Patent number
5,479,907
Issue date
Jan 2, 1996
Robert A. Walker
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Vacuum relief valve
Patent number
5,347,973
Issue date
Sep 20, 1994
Walker Design Inc.
Robert A. Walker
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Information
Patent Application
Protective filter cover
Publication number
20040124130
Publication date
Jul 1, 2004
Robert A. Walker,
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
AIR FILTER ASSEMBLY
Publication number
20040065206
Publication date
Apr 8, 2004
Robert A. Walker
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL