C. Paul Kolthoff

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Naperville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydromechanical steering differential
- Patent number 4,331,208
- Issue date May 25, 1982
- International Harvester Co.
- C. Paul Kolthoff
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Fan
- Patent number 4,319,866
- Issue date Mar 16, 1982
- International Harvester Company
- C. Paul Kolthoff
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Heat exchange apparatus including a toroidal-type radiator
- Patent number 4,184,541
- Issue date Jan 22, 1980
- International Harvester Company
- Harold D. Beck
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Heat exchange apparatus including a toroidal-type radiator
- Patent number 4,180,130
- Issue date Dec 25, 1979
- International Harvester Company
- Harold D. Beck
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Heat exchange apparatus including a toroidal-type radiator
- Patent number 4,136,735
- Issue date Jan 30, 1979
- International Harvester Company
- Harold D. Beck
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Two stage operation for radiator
- Patent number 3,990,504
- Issue date Nov 9, 1976
- International Harvester Company
- C. Paul Kolthoff
- F28 - HEAT EXCHANGE IN GENERAL