Robert J. Hengstebeck

Follow

Person

Valparaiso, IN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Heat-exchanger trays and system using same
- Patent number 4,157,905
- Issue date Jun 12, 1979
- Standard Oil Company
- Robert J. Hengstebeck
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
System for steam-cracking hydrocarbons and transfer-line exchanger...
- Patent number 4,097,544
- Issue date Jun 27, 1978
- Standard Oil Company
- Robert J. Hengstebeck
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat-exchanger trays and system using same
- Patent number 3,969,450
- Issue date Jul 13, 1976
- Standard Oil Company
- Robert J. Hengstebeck
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Centrifuge
- Patent number 3,931,927
- Issue date Jan 13, 1976
- Standard Oil Company
- Robert J. Hengstebeck
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...