Richmond, Texas
United States
6
2015-07-02
The entities that hold a legal rights for patent applications filed by inventor Befeld William:
William Befeld from Richmond, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Downhole clamping mechanism
#2 | 2012-11-01Nitinol Through Tubing Bridge Plug
#3 | 2012-08-23Downhole clamping mechanism
#4 | 2011-01-27Nitinol Spring Through Tubing Bridge Plug
#5 | 2010-11-18ROLLING BRIDGE THROUGH TUBING BRIDGE PLUG
#6 | 2008-10-23Autonomous downhole control methods and devices
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