Bellaire, Texas
United States
7
2023-08-17
The entities that hold a legal rights for patent applications filed by inventor RING Lev:
Lev RING from Bellaire, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Method of multi-stage fracturing of subterranean formation and slurry for that method
#2 | 2020-12-03Heave compensation system for assembling a drill string
#3 | 2017-06-29Heave compensation system for assembling a drill string
#4 | 2016-12-22Method of incorporating remote communication with oilfield tubular handling apparatus
#5 | 2015-08-27Continuous flow system for drilling oil and gas wells
#6 | 2015-06-25Heave compensation system for assembling a drill string
#7 | 2015-05-14Method and apparatus for hydraulic fracturing
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