Assignee
MASTER FLO VALVE INC
CA·13 granted patents·272 citations·filing 1994–2018
Top patents by PatentIndex Score
13 records- 0197US9458941B2Rotary stepping actuator for valveMASTER FLO VALVE INC·Filed 2015·Granted Oct 4, 2016·21 cites·29 claims
- 0287US8371333B2Cage valve with erosion controlMASTER FLO VALVE INC·Filed 2008·Granted Feb 12, 2013·16 cites·14 claims
- 0386US10012325B2Cage valve with flow trim for reduced port erosionMASTER FLO VALVE INC·Filed 2016·Granted Jul 3, 2018·18 cites·15 claims
- 0482US5431188AFlow trim for chokeMASTER FLO VALVE INC·Filed 1994·Granted Jul 11, 1995·78 cites·8 claims
- 0579US7426938B2Choke valve flow trim for fracture preventionMASTER FLO VALVE INC·Filed 2006·Granted Sep 23, 2008·29 cites·13 claims
- 0676US7237472B2Linear hydraulic stepping actuator with fast close capabilitiesMASTER FLO VALVE INC·Filed 2005·Granted Jul 3, 2007·18 cites·17 claims
- 0771US6782949B2Choke valve with pressure transmittersMASTER FLO VALVE INC·Filed 2002·Granted Aug 31, 2004·40 cites·2 claims
- 0865US7699075B2Reverse flow flow trim for choke valveMASTER FLO VALVE INC·Filed 2006·Granted Apr 20, 2010·9 cites·13 claims
- 0963US11073225B2Rotary stepping actuator for valveMASTER FLO VALVE INC·Filed 2018·Granted Jul 27, 2021·2 cites·32 claims
- 1056US6648070B2Insert assembly for a wellhead choke valveMASTER FLO VALVE INC·Filed 2001·Granted Nov 18, 2003·23 cites·2 claims
- 1155US10012327B2Cage valve with instrumentationMASTER FLO VALVE INC·Filed 2016·Granted Jul 3, 2018·1 cites·34 claims
- 1252US6536473B2Choke valveMASTER FLO VALVE INC·Filed 2001·Granted Mar 25, 2003·15 cites·9 claims
- 1332US6997212B2Choke valve with temperature transmitterMASTER FLO VALVE INC·Filed 2003·Granted Feb 14, 2006·2 cites·7 claims
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