National Oilwell Varco Canada ULC

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Leduc, CA

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Patents Grantslast 30 patents

Information Patent Grant
System, apparatus, and method for recovering barite from drilling f...
- Patent number 10,233,706
- Issue date Mar 19, 2019
- National Oilwell Varco Canada ULC
- Rennie K. Zazula
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM, APPARATUS, AND METHOD FOR RECOVERING BARITE FROM DRILLING F...
- Publication number 20160184741
- Publication date Jun 30, 2016
- National Oilwell Varco Canada ULC
- Rennie K. ZAZULA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Trademarklast 30 trademarks