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Krishnakumar Ramamoorthy
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Peoria, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Multiphase induction motor with flux weakening
Patent number
9,847,687
Issue date
Dec 19, 2017
Caterpillar Inc.
Krishnakumar Ramamoorthy
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Multiphase induction motor with configurable windings
Patent number
9,677,531
Issue date
Jun 13, 2017
Caterpillar Inc.
Krishnakumar D. Ramamoorthy
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Multiphase motor generator system and control method thereof
Patent number
9,571,024
Issue date
Feb 14, 2017
Caterpillar Inc.
Chen Yuan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Dual rotor switched reluctance machine
Patent number
9,431,884
Issue date
Aug 30, 2016
Caterpillar Inc.
Krishnakumar D. Ramamoorthy
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Nine phase induction motor starter/alternator
Patent number
9,416,761
Issue date
Aug 16, 2016
Caterpillar Inc.
Krishnakumar Ramamoorthy
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electric powered systems for paving machines
Patent number
9,382,675
Issue date
Jul 5, 2016
Caterpillar Paving Products Inc.
Toby Andrew Frelich
B60 - VEHICLES IN GENERAL
Information
Patent Grant
System for transmitting torque with speed modulation
Patent number
9,261,064
Issue date
Feb 16, 2016
Caterpillar Inc.
Vipulkumar Patel
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Energy capture mechanism for electric drive machines
Patent number
9,132,826
Issue date
Sep 15, 2015
Caterpillar Inc.
Krishnakumar Ramamoorthy
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
MULTIPHASE INDUCTION MOTOR WITH FLUX WEAKENING
Publication number
20160276889
Publication date
Sep 22, 2016
Caterpillar Inc.
Krishnakumar RAMAMOORTHY
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
NINE PHASE INDUCTION MOTOR STARTER/ALTERNATOR
Publication number
20160090959
Publication date
Mar 31, 2016
Caterpillar Inc.
Krishnakumar RAMAMOORTHY
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
MULTIPHASE INDUCTION MOTOR WITH CONFIGURABLE WINDINGS
Publication number
20160090960
Publication date
Mar 31, 2016
Caterpillar Inc.
Krishnakumar D. RAMAMOORTHY
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Electric Powered Systems for Paving Machines
Publication number
20150361627
Publication date
Dec 17, 2015
Caterpillar Paving Products Inc.
Toby Andrew Frelich
B60 - VEHICLES IN GENERAL
Information
Patent Application
Screed Vibration System
Publication number
20150337504
Publication date
Nov 26, 2015
Caterpillar Paving Products Inc.
John Eron Jorgensen
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
SYSTEM FOR TRANSMITTING TORQUE WITH SPEED MODULATION
Publication number
20150233448
Publication date
Aug 20, 2015
Caterpillar Inc.
Vipulkumar Patel
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Energy Capture Mechanism for Electric Drive Machines
Publication number
20150080178
Publication date
Mar 19, 2015
Caterpillar Inc.
Krishnakumar Ramamoorthy
B60 - VEHICLES IN GENERAL
Information
Patent Application
Dual Rotor Switched Reluctance Machine
Publication number
20140292131
Publication date
Oct 2, 2014
Caterpillar Inc.
Krishnakumar D. Ramamoorthy
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Dual Rotor Electric Drive
Publication number
20140124276
Publication date
May 8, 2014
Caterpillar, Inc.
Krishnakumar Ramamoorthy
B60 - VEHICLES IN GENERAL