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Prasad V. Parupalli
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Peoria, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Engine ECM multi-input/output configuration
Patent number
6,640,271
Issue date
Oct 28, 2003
Caterpillar Inc.
Kevin D. Ehrenhardt
G05 - CONTROLLING REGULATING
Information
Patent Grant
Automatic elevated idle speed control and method of operating same
Patent number
6,019,702
Issue date
Feb 1, 2000
Caterpillar Inc.
Kevin D. Ehrenhardt
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Torque limiting power take off control and method of operating same
Patent number
5,740,044
Issue date
Apr 14, 1998
Caterpillar Inc.
Kevin D. Ehrenhardt
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method for controlling the operation of a driver circuit in respons...
Patent number
5,711,273
Issue date
Jan 27, 1998
Caterpillar Inc.
Travis E. Barnes
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Maintenance monitor system
Patent number
5,642,284
Issue date
Jun 24, 1997
Caterpillar Inc.
Prasad V. Parupalli
G07 - CHECKING-DEVICES
Information
Patent Grant
Engine speed control and method for operating same
Patent number
5,611,751
Issue date
Mar 18, 1997
Caterpillar Inc.
Kevin D. Ehrenhardt
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Elevated idle speed control and method of operating same
Patent number
5,480,364
Issue date
Jan 2, 1996
Caterpillar Inc.
Mark J. Hilbert
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Fuel delivery temperature compensation system and method of operati...
Patent number
5,444,627
Issue date
Aug 22, 1995
Caterpiller Inc.
Thomas R. Sandborg
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Information
Patent Application
Engine ECM multi-input/output configuration
Publication number
20020103955
Publication date
Aug 1, 2002
Kevin D. Ehrenhardt
G05 - CONTROLLING REGULATING