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Lev Ring — 4 Patents in 2017

WHWeatherford Technology Holdings: 4 patents #8 of 167Top 5%

Bellaire, TX: #7 of 51 inventorsTop 15%

Texas: #1,017 of 15,389 inventorsTop 7%

Overall (2017): #42,841 of 506,227Top 9%

4 Patents 2017

Issued Patents 2017

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
9822630	Marine diverter system with real time kick or loss detection	Don M. Hannegan	2017-11-21
9714559	Method and apparatus for hydraulic fracturing	Cesar G. Garcia	2017-07-25
9631442	Heave compensation system for assembling a drill string	Ram K. Bansal, Don M. Hannegan	2017-04-25
9551201	Apparatus and method of zonal isolation	Varadaraju Gandikota	2017-01-24

Lev Ring — 4 Patents in 2017

Issued Patents 2017

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