Michael R. Reaves

Follow

Person

Tomball, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Mechanical bi-directional isolation valve
- Patent number 9,784,057
- Issue date Oct 10, 2017
- Weatherford Technology Holdings, LLC
- Sam S. Lloyd
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Mechanical Bi-Directional Isolation Valve
- Publication number 20090272539
- Publication date Nov 5, 2009
- HEMIWEDGE VALVE CORPORATION
- Sam S. Lloyd
- E21 - EARTH DRILLING MINING
Information Patent Application
Hydraulic Bi-Directional Rotary Isolation Valve
- Publication number 20090229829
- Publication date Sep 17, 2009
- HEMIWEDGE VALVE CORPORATION
- Sam S. Lloyd
- E21 - EARTH DRILLING MINING