Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Daniel M. Cousin
Eugene Stolboushkin
YingQing Xu
Date of Patent
October 10, 2023
Patent Application Number
17236290
Date Filed
April 21, 2021
Patent Citations
...
Patent Primary Examiner
Patent abstract
A frac dart including a pressure housing, a mechanically actuated magnetic sensor including a first magnet outside of the pressure housing, a signal generator inside the pressure housing and in operable communication with the first magnet, and an electrical counter disposed in the frac dart responsive in increments to the signal generator.
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