Assignee
KUDU IND INC
CA·20 granted patents·2 pending applications·711 citations·filing 1995–2014
Top patents by PatentIndex Score
22 records- 0190US6729391B2Insertable progressing cavity pumpKUDU IND INC·Filed 2001·Granted May 4, 2004·54 cites·18 claims
- 0285US6354824B1Ceramic hardfacing for progressing cavity pump rotorsKUDU IND INC·Filed 2000·Granted Mar 12, 2002·24 cites·8 claims
- 0384US5498142AHardfacing for progressing cavity pump rotorsKUDU IND INC·Filed 1995·Granted Mar 12, 1996·34 cites·9 claims
- 0478US6371206B1Prevention of sand plugging of oil well pumpsKUDU IND INC·Filed 2000·Granted Apr 16, 2002·93 cites·17 claims
- 0575US5645896AMethod of applying a filled in metal carbide hard facing to the rotor of a progressing cavity pumpKUDU IND INC·Filed 1996·Granted Jul 8, 1997·23 cites·10 claims
- 0674US6085837ADownhole fluid disposal tool and methodKUDU IND INC·Filed 1998·Granted Jul 11, 2000·78 cites·35 claims
- 0772US6786309B2Rotary shaft brakeKUDU IND INC·Filed 2002·Granted Sep 7, 2004·12 cites·25 claims
- 0871US6155347AMethod and apparatus for controlling the liquid level in a wellKUDU IND INC·Filed 1999·Granted Dec 5, 2000·60 cites·11 claims
- 0971US5551510ASafety coupling for rotary down hole pumpKUDU IND INC·Filed 1995·Granted Sep 3, 1996·63 cites·19 claims
- 1070US5881814AApparatus and method for dual-zone well productionKUDU IND INC·Filed 1997·Granted Mar 16, 1999·58 cites·14 claims
- 1168US7905714B2Progressing cavity pump assembly and method of operationKUDU IND INC·Filed 2008·Granted Mar 15, 2011·7 cites·23 claims
- 1262US9661691B2System and method for induction heating a helical rotor using a coilKUDU IND INC·Filed 2014·Granted May 23, 2017·0 cites·8 claims
- 1362US6564911B2Braking assemblyKUDU IND INC·Filed 2002·Granted May 20, 2003·6 cites·3 claims
- 1462US5639227ASeal arrangement for the drivehead of a downhole rotary pumpKUDU IND INC·Filed 1995·Granted Jun 17, 1997·43 cites·20 claims
- 1561US6039115ASafety coupling for rotary pumpKUDU IND INC·Filed 1998·Granted Mar 21, 2000·42 cites·17 claims
- 1661US5697768ADownhole swivelKUDU IND INC·Filed 1996·Granted Dec 16, 1997·41 cites·17 claims
- 1759US6155346ADownhole anchorKUDU IND INC·Filed 1999·Granted Dec 5, 2000·40 cites·19 claims
- 1850US2009098002A1Process for hardfacing a metal bodyKUDU IND INC·Filed 2008·Application pending·0 cites
- 1947US2008069715A1Process for hardfacing a progressing cavity pump/motor rotorKUDU IND INC·Filed 2007·Application pending·0 cites
- 2045US7530800B2Rotary drivehead for downhole apparatusKUDU IND INC·Filed 2005·Granted May 12, 2009·2 cites·14 claims
- 2139US6371487B1Gimbal and seal for the drivehead of a downhole rotary pumpKUDU IND INC·Filed 1999·Granted Apr 16, 2002·21 cites·13 claims
- 2226US6105670AInjection/isolation toolKUDU IND INC·Filed 1998·Granted Aug 22, 2000·10 cites·21 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →