Marina Kachemayeva

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Ufa, RU

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Patents Applicationslast 30 patents

Information Patent Application
METHOD OF DRILLING STRING ASSEMBLY FOR SECONDARY OPENING OF A PRODU...
- Publication number 20220074284
- Publication date Mar 10, 2022
- Ilia Liagov
- E21 - EARTH DRILLING MINING
Information Patent Application
DEVICE FOR GENERATING AN AXIAL LOAD IN A DRILL STRING ASSEMBLY
- Publication number 20220049560
- Publication date Feb 17, 2022
- Perfobur Global Inc.
- Ilia Liagov
- E21 - EARTH DRILLING MINING