Assignee
MERIP OIL TOOLS INT
FR·2 granted patents·40 citations·filing 1986–1987
Top patents by PatentIndex Score
2 records- 0141US4771633ACell for testing the sealing quality of an oil-well safety-valve, a testing process and valve for use thereinMERIP OIL TOOLS INT·Filed 1986·Granted Sep 20, 1988·15 cites·8 claims
- 0240US4836287ASafety gate valve for petroleum wells, permitting operation by artificial flowMERIP OIL TOOLS INT·Filed 1987·Granted Jun 6, 1989·25 cites·13 claims
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