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Inventor
YAKIMCHUK DARIUS JOHN
CA
2 patents
Patents
2 patents
US10196883B2
Feb 5, 2019
Long-stroke pumping unit
WEATHERFORD TECH HOLDINGS LLC
7 citations
82
US10760386B2
Sep 1, 2020
Slant well pumping unit
WEATHERFORD TECH HOLDINGS LLC
4 citations
68