Inventor · disambiguated record
Nils Lennart Rolland
Also filed as: ROLLAND NILS LENNART
5 granted patents·56 citations·filing 2007–2012
78Inventor score
Top patents by PatentIndex Score
5 records- 0181US7913764B2Return line mounted pump for riserless mud return systemAGR SUBSEA INC·Filed 2007·Granted Mar 29, 2011·28 cites·16 claims
- 0280US9963947B2Apparatus and method for controlling pressure in a boreholeSTATOIL PETROLEUM AS·Filed 2012·Granted May 8, 2018·10 cites·18 claims
- 0372US7938190B2Anchored riserless mud return systemsAGR SUBSEA INC·Filed 2007·Granted May 10, 2011·16 cites·13 claims
- 0458US9243717B2Gate 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
- 0534US9346634B2System 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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