A. V. Peppard

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Catlettsburg, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Combination magnetic separation, classification and attrition proce...
- Patent number 5,746,321
- Issue date May 5, 1998
- Ashland Inc.
- William P. Hettinger
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Combination magnetic separation, classification and attrition proce...
- Patent number 5,636,747
- Issue date Jun 10, 1997
- Ashland Inc.
- William P. Hettinger
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Cyclone for lessening formation of carbonaceous deposits
- Patent number 4,687,492
- Issue date Aug 18, 1987
- Ashland Oil, Inc.
- Paul W. Walters
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL