Joseph M. Duckworth

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Zionsville, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Fumes control system duct and car arrangement
- Patent number 4,356,064
- Issue date Oct 26, 1982
- The Bahnson Company
- Pramodh Nijhawan
- B08 - CLEANING
Information Patent Grant
Coke guide fumes control system
- Patent number 4,257,849
- Issue date Mar 24, 1981
- Envirotech Corporation
- Pramodh Nijhawan
- B08 - CLEANING
Information Patent Grant
Coke oven fumes control system
- Patent number 4,247,370
- Issue date Jan 27, 1981
- Envirotech Corporation
- Pramodh Nijhawan
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...