John F. Kral

Person

Plainfield, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Locomotive control system having thermal management
- Patent number 9,719,434
- Issue date Aug 1, 2017
- Electro-Motive Diesel, Inc.
- Douglas Michael Biagini
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Locomotive positive power bus contactor method of assembly
- Patent number 9,697,964
- Issue date Jul 4, 2017
- Progress Rail Services Corporation
- John Franklin Kral
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Traction motor drive system for a locomotive
- Patent number 9,118,178
- Issue date Aug 25, 2015
- Progress Rail Services Corporation
- John Franklin Kral
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Continuously variable dynamic brake for a locomotive
- Patent number 9,071,178
- Issue date Jun 30, 2015
- Progress Rail Services Corp.
- John Franklin Kral
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Power sharing for a locomotive consist
- Patent number 8,935,021
- Issue date Jan 13, 2015
- Progress Rail Services Corp.
- John Franklin Kral
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Locomotive positive power bus contactor method of assembly
- Patent number 8,933,359
- Issue date Jan 13, 2015
- Progress Rail Services Corp.
- John Franklin Kral
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Traction motor drive system for a locomotive
- Patent number 8,823,293
- Issue date Sep 2, 2014
- Progress Rail Services Corp.
- John Franklin Kral
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Continuously variable dynamic brake for a locomotive
- Patent number 8,820,248
- Issue date Sep 2, 2014
- Progress Rail Services Corp.
- John Franklin Kral
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Engine warming system for a multi-engine machine
- Patent number 8,596,201
- Issue date Dec 3, 2013
- Progress Rail Services Corp.
- John F. Kral
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
WARM UP SYSTEM FOR AN ENGINE OF A MACHINE
- Publication number 20190063393
- Publication date Feb 28, 2019
- Progress Rail Services Corporation
- Andrew Smith
- B61 - RAILWAYS
Information Patent Application
METHOD OF CONTROLLING EXHAUST EMISSION OF MACHINE
- Publication number 20160265412
- Publication date Sep 15, 2016
- ELECTRO-MOTIVE DIESEL, INC.
- William C. Hawkins
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
LOCOMOTIVE CONTROL SYSTEM HAVING THERMAL MANAGEMENT
- Publication number 20160244072
- Publication date Aug 25, 2016
- ELECTRO-MOTIVE DIESEL, INC.
- Douglas Michael Biagini
- B61 - RAILWAYS
Information Patent Application
ELECTRIC POWER SUPPLY SYSTEM FOR MACHINE
- Publication number 20160236693
- Publication date Aug 18, 2016
- Caterpillar Inc.
- William C. Hawkins
- B61 - RAILWAYS
Information Patent Application
LOCOMOTIVE POSITIVE POWER BUS CONTACTOR METHOD OF ASSEMBLY
- Publication number 20150082630
- Publication date Mar 26, 2015
- Progress Rail Services Corp.
- John Franklin KRAL
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER SHARING FOR A LOCOMOTIVE CONSIST
- Publication number 20140379180
- Publication date Dec 25, 2014
- JOHN FRANKLIN KRAL
- B60 - VEHICLES IN GENERAL
Information Patent Application
LOCOMOTIVE WITH VARIABLE POWER MODULES
- Publication number 20140318410
- Publication date Oct 30, 2014
- Progress Rail Services Corporation
- John Franklin Kral
- B60 - VEHICLES IN GENERAL
Information Patent Application
CONTINUOUSLY VARIABLE DYNAMIC BRAKE FOR A LOCOMOTIVE
- Publication number 20140252999
- Publication date Sep 11, 2014
- Progress Rail Services Corp.
- John Franklin Kral
- B60 - VEHICLES IN GENERAL
Information Patent Application
TRACTION MOTOR DRIVE SYSTEM FOR A LOCOMOTIVE
- Publication number 20140240874
- Publication date Aug 28, 2014
- Progress Rail Services Corp.
- John Franklin Kral
- B60 - VEHICLES IN GENERAL
Information Patent Application
COOLING SYSTEM FOR MOBILE MACHINE
- Publication number 20130284529
- Publication date Oct 31, 2013
- John Franklin Kral
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LOCOMOTIVE POSITIVE POWER BUS CONTACTOR METHOD OF ASSEMBLY
- Publication number 20130167753
- Publication date Jul 4, 2013
- Caterpillar Inc.
- John Franklin Kral
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRACTION MOTOR DRIVE SYSTEM FOR A LOCOMOTIVE
- Publication number 20130152817
- Publication date Jun 20, 2013
- Caterpillar Inc.
- John Franklin KRAL
- B60 - VEHICLES IN GENERAL
Information Patent Application
CONTINUOUSLY VARIABLE DYNAMIC BRAKE FOR A LOCOMOTIVE
- Publication number 20130152816
- Publication date Jun 20, 2013
- Caterpillar Inc.
- John Franklin KRAL
- B60 - VEHICLES IN GENERAL
Information Patent Application
ENGINE WARMING SYSTEM FOR A MULTI-ENGINE MACHINE
- Publication number 20130152819
- Publication date Jun 20, 2013
- John F. KRAL
- B61 - RAILWAYS

John F. Kral

Person

Patents Grantslast 30 patents

Locomotive control system having thermal management

Locomotive positive power bus contactor method of assembly

Traction motor drive system for a locomotive

Continuously variable dynamic brake for a locomotive

Power sharing for a locomotive consist

Locomotive positive power bus contactor method of assembly

Traction motor drive system for a locomotive

Continuously variable dynamic brake for a locomotive

Engine warming system for a multi-engine machine

Patents Applicationslast 30 patents

WARM UP SYSTEM FOR AN ENGINE OF A MACHINE

METHOD OF CONTROLLING EXHAUST EMISSION OF MACHINE

LOCOMOTIVE CONTROL SYSTEM HAVING THERMAL MANAGEMENT

ELECTRIC POWER SUPPLY SYSTEM FOR MACHINE

LOCOMOTIVE POSITIVE POWER BUS CONTACTOR METHOD OF ASSEMBLY

POWER SHARING FOR A LOCOMOTIVE CONSIST

LOCOMOTIVE WITH VARIABLE POWER MODULES

CONTINUOUSLY VARIABLE DYNAMIC BRAKE FOR A LOCOMOTIVE

TRACTION MOTOR DRIVE SYSTEM FOR A LOCOMOTIVE

COOLING SYSTEM FOR MOBILE MACHINE

LOCOMOTIVE POSITIVE POWER BUS CONTACTOR METHOD OF ASSEMBLY

TRACTION MOTOR DRIVE SYSTEM FOR A LOCOMOTIVE

CONTINUOUSLY VARIABLE DYNAMIC BRAKE FOR A LOCOMOTIVE

ENGINE WARMING SYSTEM FOR A MULTI-ENGINE MACHINE