Paul W. Heilman

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Duncan, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Integrated blending control system
- Patent number 4,850,750
- Issue date Jul 25, 1989
- Halliburton Company
- Randall B. Cogbill
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Method for Centralized Proppant Storage and Metering
- Publication number 20100038077
- Publication date Feb 18, 2010
- Paul W. Heilman
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus for centralized proppant storage and metering
- Publication number 20070201305
- Publication date Aug 30, 2007
- Halliburton Energy Services, Inc.
- Paul W. Heilman
- G06 - COMPUTING CALCULATING COUNTING