Assignee
ROLLAND NILS LENNART
NO·2 granted patents·2 citations·filing 2011–2011
Top patents by PatentIndex Score
2 records- 0158US9243717B2Gate valve, method for returned drilling mud pressure control and/or well killing, and uses of a gate valveROLLAND NILS LENNART·Filed 2011·Granted Jan 26, 2016·2 cites·15 claims
- 0234US9346634B2System and method for passing matter in a flow passageROLLAND NILS LENNART·Filed 2011·Granted May 24, 2016·0 cites·13 claims
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