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ROLLAND NILS LENNART

NO2 patents

Top patents by PatentIndex Score

US9243717B2Jan 26, 2016

Gate valve, method for returned drilling mud pressure control and/or well killing, and uses of a gate valve

ROLLAND NILS LENNART2 citations54

US9346634B2May 24, 2016

System and method for passing matter in a flow passage

ROLLAND NILS LENNART0 citations33