Inventor · disambiguated record
William Jani
Also filed as: JANI WILLIAM
16 granted patents·196 citations·filing 1979–2017
93Inventor score
Technology areasE21B
Files withJANI WILLIAM7NORTHWEST TECH GROUP INC2PINNACLE OIL TOOLS INC2CAMPBELL SEAN PATRICK1SC ASSET CORP1
Top patents by PatentIndex Score
16 records- 0189US8869904B2Retrievable stimulation frac (RSF) plugJANI WILLIAM·Filed 2011·Granted Oct 28, 2014·14 cites·12 claims
- 0286US10001001B2Apparatus and method for perforating a wellbore casing, and method and apparatus for fracturing a formationJANI WILLIAM·Filed 2014·Granted Jun 19, 2018·8 cites·11 claims
- 0386US9611727B2Apparatus and method for fracturing a wellCAMPBELL SEAN PATRICK·Filed 2011·Granted Apr 4, 2017·15 cites·7 claims
- 0483US9719334B2Method and tool for perforating a wellbore casing in a formation using a sand jet, and using such tool to further frac the formationJANI WILLIAM·Filed 2015·Granted Aug 1, 2017·4 cites·9 claims
- 0583US9587464B2Multi-stage liner with cluster valves and method of useSTAGE COMPLETIONS INC·Filed 2014·Granted Mar 7, 2017·6 cites·15 claims
- 0676US4487263ACement staging apparatus for wells and including well casing and a process thereforJANI WILLIAM·Filed 1982·Granted Dec 11, 1984·48 cites·37 claims
- 0775US9644454B2System and method for injecting fluid at selected locations along a wellboreJANI WILLIAM·Filed 2015·Granted May 9, 2017·2 cites·11 claims
- 0869US10538993B2Apparatus and method for perforating a wellbore casing, and method and apparatus for fracturing a formationSC ASSET CORP·Filed 2017·Granted Jan 21, 2020·1 cites·15 claims
- 0968US10329889B2Fracking tool further having a dump port for sand flushing, and method of fracking a formation using such toolPINNACLE OIL TOOLS INC·Filed 2017·Granted Jun 25, 2019·2 cites·12 claims
- 1061US9528353B1Wellbore perforating toolJANI WILLIAM·Filed 2015·Granted Dec 27, 2016·1 cites·9 claims
- 1155US4278131APort apparatus for well pipingJANI WILLIAM·Filed 1979·Granted Jul 14, 1981·19 cites·26 claims
- 1251US5623991ATubing tightenerNORTHWEST TECH GROUP INC·Filed 1995·Granted Apr 29, 1997·33 cites·18 claims
- 1349US10287861B2Method and tool for perforating a wellbore casing in a formation using a sand jet, and using such tool to further frac the formationPINNACLE OIL TOOLS INC·Filed 2017·Granted May 14, 2019·0 cites·12 claims
- 1441US6131656ABridge plug for a well boreFiled 1999·Granted Oct 17, 2000·19 cites·16 claims
- 1535US5771970ATubing tightenerNORTHWEST TECH GROUP INC·Filed 1996·Granted Jun 30, 1998·14 cites·24 claims
- 1633US6152233ASurge anchor assemblyFiled 1999·Granted Nov 28, 2000·10 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →