Inventor · disambiguated record
Kenneth W. Seyffert
Also filed as: SEYFFERT KENNETH · SEYFFERT KENNETH W · SEYFFERT KENNETH WAYNE
67 granted patents·18 pending applications·2,358 citations·filing 1981–2015
99Inventor score
Files withVARCO INT36TUBOSCOPE I P INC17ENVIRONMENTAL PROCEDURES INC3SCOTT ERIC LANDON3ENV PROCEDURES INC2
Top patents by PatentIndex Score
85 records- 0199US5392925AShale shaker and screenENVIRONMENTAL PROCEDURES INC·Filed 1993·Granted Feb 28, 1995·125 cites·11 claims
- 0297US7000777B2Vibratory separator screensVARCO INT·Filed 2003·Granted Feb 21, 2006·79 cites·16 claims
- 0396US6722504B2Vibratory separators and screensVARCO INT·Filed 2001·Granted Apr 20, 2004·63 cites·13 claims
- 0496US6565698B1Method for making vibratory separator screensVARCO INT·Filed 2000·Granted May 20, 2003·63 cites·18 claims
- 0596US6439391B1Vibratory separator with material heaterTUBO SCOPE I P INC·Filed 2000·Granted Aug 27, 2002·57 cites·5 claims
- 0695US7571817B2Automatic separator or shaker with electromagnetic vibrator apparatusVARCO INT·Filed 2005·Granted Aug 11, 2009·59 cites·37 claims
- 0794US6443310B1Seal screen structureVARCO INT·Filed 2000·Granted Sep 3, 2002·61 cites·16 claims
- 0894US6283302B1Unibody screen structureTUBOSCOPE I P INC·Filed 2000·Granted Sep 4, 2001·60 cites·18 claims
- 0993US7493969B2Drill cuttings conveyance systems and methodsVARCO INT·Filed 2005·Granted Feb 24, 2009·39 cites·18 claims
- 1093US6868972B2Fluid flow diffusers and vibratory separatorsVARCO INT·Filed 2002·Granted Mar 22, 2005·56 cites·25 claims
- 1193US6325216B1Screen apparatus for vibratory separatorTUBOSCOPE I P INC·Filed 1999·Granted Dec 4, 2001·89 cites·18 claims
- 1292US8561805B2Automatic vibratory separatorSCOTT ERIC LANDON·Filed 2011·Granted Oct 22, 2013·17 cites·20 claims
- 1392US6371302B1Vibratory separator screensTUBOSCOPE I P INC·Filed 2000·Granted Apr 16, 2002·49 cites·22 claims
- 1490US6988567B2Drilled cuttings movement systems and methodsVARCO INT·Filed 2004·Granted Jan 24, 2006·35 cites·7 claims
- 1590US6769550B2Screen assemblies for shale shakersVARCO INT·Filed 2002·Granted Aug 3, 2004·47 cites·15 claims
- 1690US6629610B1Screen with ramps for vibratory separator systemTUBOSCOPE I P INC·Filed 2000·Granted Oct 7, 2003·53 cites·38 claims
- 1790US6454099B1Vibrator separator screensVARCO INT·Filed 2000·Granted Sep 24, 2002·52 cites·13 claims
- 1890US5971159AScreen assembly for a vibratory separatorTUBOSCOPE I P INC·Filed 1997·Granted Oct 26, 1999·59 cites·16 claims
- 1989US8746459B2Automatic vibratory separatorSCOTT ERIC LANDON·Filed 2009·Granted Jun 10, 2014·18 cites·20 claims
- 2089US7175027B2Shaker screen and clamping systemVARCO INT·Filed 2004·Granted Feb 13, 2007·46 cites·20 claims
- 2188US7306057B2Thermal drill cuttings treatment with weir systemVARCO INT·Filed 2004·Granted Dec 11, 2007·69 cites·20 claims
- 2288US6605029B1Centrifuge with open conveyor and methods of useTUBOSCOPE I P INC·Filed 2000·Granted Aug 12, 2003·43 cites·26 claims
- 2387US7581647B2Shale shakerVARCO INT·Filed 2003·Granted Sep 1, 2009·29 cites·25 claims
- 2487US7520391B2Screen assembly for vibratory separatorVARCO INT·Filed 2007·Granted Apr 21, 2009·9 cites·20 claims
- 2587US7195084B2Systems and methods for storing and handling drill cuttingsVARCO INT·Filed 2004·Granted Mar 27, 2007·78 cites·34 claims
- 2687US6607080B2Screen assembly for vibratory separatorsVARCO INT·Filed 2001·Granted Aug 19, 2003·40 cites·5 claims
- 2786US6450345B1Glue pattern screens and methods of productionVARCO INT·Filed 2000·Granted Sep 17, 2002·35 cites·19 claims
- 2886US6290068B1Shaker screens and methods of useTUBOSCOPE I P INC·Filed 1999·Granted Sep 18, 2001·71 cites·26 claims
- 2986US6179128B1Tension clamp and screen systemTUBOSCOPE I P INC·Filed 1998·Granted Jan 30, 2001·50 cites·17 claims
- 3085US7278540B2Adjustable basket vibratory separatorVARCO INT·Filed 2004·Granted Oct 9, 2007·34 cites·17 claims
- 3185US7018326B2Centrifuge with impellers and beach feedVARCO INT·Filed 2003·Granted Mar 28, 2006·38 cites·19 claims
- 3285US6032806AScreen apparatus for vibratory separatorTUBOSCOPE I P INC·Filed 1999·Granted Mar 7, 2000·50 cites·20 claims
- 3384US6935511B2Centrally supported screen assemblyVARCO INT·Filed 2003·Granted Aug 30, 2005·25 cites·15 claims
- 3483US7484574B2Drill cuttings conveyance systems and methodsVARCO INT·Filed 2006·Granted Feb 3, 2009·25 cites·16 claims
- 3583US6790169B2Centrifuge with feed tube adapterVARCO INT·Filed 2002·Granted Sep 14, 2004·33 cites·28 claims
- 3682US6780147B2Centrifuge with open conveyor having an accelerating impeller and flow enhancerVARCO INT·Filed 2002·Granted Aug 24, 2004·31 cites·26 claims
- 3782US5641070AShale shakerENVIRONMENTAL PROCEDURES INC·Filed 1995·Granted Jun 24, 1997·49 cites·15 claims
- 3882US5598930AShale shaker screenADVANCED WIRECLOTH INC·Filed 1995·Granted Feb 4, 1997·53 cites·19 claims
- 3979US6736270B2Glued screens for shale shakersVARCO INT·Filed 2001·Granted May 18, 2004·16 cites·30 claims
- 4078US6302276B1Screen support strip for use in vibratory screening apparatusTUBOSCOPE I P INC·Filed 2000·Granted Oct 16, 2001·20 cites·21 claims
- 4178USD377656SScreenENV PROCEDURES INC·Filed 1996·Granted Jan 28, 1997·23 cites·1 claims
- 4276US6530483B2Unibody structure for screen assemblyVARCO INT·Filed 2001·Granted Mar 11, 2003·13 cites·18 claims
- 4375US6659286B2Drawbar and screen systemVARCO INT·Filed 2001·Granted Dec 9, 2003·20 cites·11 claims
- 4475US6581781B1Vibrator separator screensTUBOSCOPE I P INC·Filed 2000·Granted Jun 24, 2003·17 cites·21 claims
- 4574US6269953B1Vibratory separator screen assembliesTUBOSCOPE I P INC·Filed 1999·Granted Aug 7, 2001·67 cites·26 claims
- 4673US6953097B2Drilling systemsVARCO INT·Filed 2003·Granted Oct 11, 2005·38 cites·22 claims
- 4773USD366040SScreenENV PROCEDURES INC·Filed 1993·Granted Jan 9, 1996·16 cites·1 claims
- 4872US6955262B2Removable seal apparatus for vibratory separatorVARCO INT·Filed 2003·Granted Oct 18, 2005·17 cites·27 claims
- 4972US6152307AVibratory separator screensTUBOSCOPE I P INC·Filed 1999·Granted Nov 28, 2000·30 cites·19 claims
- 5069US6910587B2Gumbo separator methods and apparatusesVARCO INT·Filed 2002·Granted Jun 28, 2005·14 cites·20 claims
Showing the top 50 of 85 patent records by PatentIndex Score.
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