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Ralf SIBER
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Mainz, DE
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last 30 patents
Information
Patent Grant
Air intake with air mass sensor and sound dampening resonator
Patent number
8,707,925
Issue date
Apr 29, 2014
GM Global Technology Operations LLC
Ralf Siber
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Intake system of combustion air of a vehicle
Patent number
8,607,908
Issue date
Dec 17, 2013
GM Global Technology Operations LLC
Ralf Siber
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Air filter having an air filter housing, use of an air filter, meth...
Patent number
8,562,706
Issue date
Oct 22, 2013
GM Global Technology Operations LLC
Ralf Siber
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
SILENCER
Publication number
20160097315
Publication date
Apr 7, 2016
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Kai BECKER
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
AIR FILTER FOR A MOTOR VEHICLE
Publication number
20120180442
Publication date
Jul 19, 2012
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Ralf SIBER
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Intake tract of a combustion air of a vehicle
Publication number
20120085308
Publication date
Apr 12, 2012
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Ralf SIBER
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Intake system of combustion air of a vehicle
Publication number
20120085307
Publication date
Apr 12, 2012
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Ralf SIBER
B60 - VEHICLES IN GENERAL
Information
Patent Application
CORRUGATED HOSE
Publication number
20100300569
Publication date
Dec 2, 2010
GM Global Technology Operations, Inc.
Christian Degen
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
AIR FILTER HAVING AN AIR FILTER HOUSING, USE OF AN AIR FILTER, METH...
Publication number
20090133371
Publication date
May 28, 2009
GM Global Technology Operations, Inc.
Ralf SIBER
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL