Inventor · disambiguated record
Raymond Hofman
Also filed as: HOFMAN RAYMOND · HOFMAN RAYMOND A
23 granted patents·9 pending applications·438 citations·filing 2005–2020
96Inventor score
Files withPEAK COMPLETION TECH INC12HOFMAN RAYMOND11PEAK COMPLETION TECHNOLOGIES INC3SUMMIT DOWNHOLE DYNAMICS LTD3PEAK COMPLETION TECHNOLOGIES I2
Top patents by PatentIndex Score
32 records- 0197US7267172B2Cemented open hole selective fracing systemPEAK COMPLETION TECHNOLOGIES I·Filed 2005·Granted Sep 11, 2007·129 cites·11 claims
- 0293US7802627B2Remotely operated selective fracing system and methodSUMMIT DOWNHOLE DYNAMICS LTD·Filed 2007·Granted Sep 28, 2010·54 cites·11 claims
- 0392US9441440B2Downhole tools, system and method of usingPEAK COMPLETION TECH INC·Filed 2014·Granted Sep 13, 2016·29 cites·19 claims
- 0492US8540019B2Fracturing system and methodHOFMAN RAYMOND·Filed 2010·Granted Sep 24, 2013·22 cites·19 claims
- 0592US7926571B2Cemented open hole selective fracing systemHOFMAN RAYMOND A·Filed 2007·Granted Apr 19, 2011·65 cites·49 claims
- 0691US9915122B2Downhole tools, system and methods of usingPEAK COMPLETION TECH INC·Filed 2014·Granted Mar 13, 2018·12 cites·16 claims
- 0791US8479822B2Downhole tool with expandable seatHOFMAN RAYMOND·Filed 2010·Granted Jul 9, 2013·16 cites·14 claims
- 0890US9567832B2Downhole tools, system and method of usingPEAK COMPLETION TECH INC·Filed 2014·Granted Feb 14, 2017·14 cites·17 claims
- 0989US9133684B2Downhole toolHOFMAN RAYMOND·Filed 2012·Granted Sep 15, 2015·14 cites·26 claims
- 1089US7377322B2Method and apparatus for cementing production tubing in a multilateral boreholePEAK COMPLETION TECHNOLOGIES I·Filed 2006·Granted May 27, 2008·40 cites·10 claims
- 1188US9828833B2Downhole tool with collapsible or expandable split ringPEAK COMPLETION TECH INC·Filed 2014·Granted Nov 28, 2017·11 cites·12 claims
- 1286US10538991B2Downhole tools, system and methods of usingPEAK COMPLETION TECH INC·Filed 2018·Granted Jan 21, 2020·3 cites·16 claims
- 1379US9611719B2Downhole toolPEAK COMPLETION TECH INC·Filed 2013·Granted Apr 4, 2017·6 cites·14 claims
- 1478US9664015B2Fracturing system and methodPEAK COMPLETION TECH INC·Filed 2014·Granted May 30, 2017·6 cites·13 claims
- 1572US8371389B2Differential shifting tool and method of shiftingSUMMIT DOWNHOLE DYNAMICS LTD·Filed 2010·Granted Feb 12, 2013·4 cites·20 claims
- 1671US9702221B2Downhole tools with ball trapPEAK COMPLETION TECH INC·Filed 2014·Granted Jul 11, 2017·4 cites·16 claims
- 1768US9121248B2Downhole system and apparatus incorporating valve assembly with resilient deformable engaging elementHOFMAN RAYMOND·Filed 2012·Granted Sep 1, 2015·3 cites·24 claims
- 1866US8887811B2Downhole tool with expandable seatPEAK COMPLETION TECHNOLOGIES INC·Filed 2013·Granted Nov 18, 2014·2 cites·14 claims
- 1965US9447670B2Self-orienting fracturing sleeve and systemHOFMAN RAYMOND·Filed 2011·Granted Sep 20, 2016·3 cites·16 claims
- 2061US9765607B2Open hole fracing systemPEAK COMPLETION TECH INC·Filed 2014·Granted Sep 19, 2017·1 cites·19 claims
- 2161US2020157916A1Downhole Tools, System and Method for UsingPEAK COMPLETION TECH INC·Filed 2020·Application pending·0 cites
- 2254US9453391B2Downhole tool with expandable seatPEAK COMPLETION TECH INC·Filed 2014·Granted Sep 27, 2016·0 cites·18 claims
- 2348US9500064B2Flow bypass device and methodPEAK COMPLETION TECH INC·Filed 2014·Granted Nov 22, 2016·0 cites·19 claims
- 2447US2011203799A1Open Hole Fracing SystemHOFMAN RAYMOND·Filed 2011·Application pending·0 cites
- 2547US2014034294A1Fracturing System and MethodSUMMIT DOWNHOLE DYNAMICS LTD·Filed 2013·Application pending·0 cites
- 2646US8820418B2Differential shifting tool and method of shiftingPEAK COMPLETION TECHNOLOGIES INC·Filed 2013·Granted Sep 2, 2014·0 cites·16 claims
- 2742US2015107819A1Hydraulically-Actuated Explosive Downhole ToolHOFMAN RAYMOND·Filed 2013·Application pending·0 cites
- 2842US2014069654A1Downhole Tool Incorporating Flapper AssemblyPEAK COMPLETION TECHNOLOGIES INC·Filed 2013·Application pending·0 cites
- 2941US2014158368A1Flow bypass device and methodHOFMAN RAYMOND·Filed 2012·Application pending·0 cites
- 3040US2013068475A1Multistage Production System Incorporating Valve Assembly With Collapsible or Expandable C-RingHOFMAN RAYMOND·Filed 2012·Application pending·0 cites
- 3140US2012261131A1Assembly for Actuating a Downhole ToolHOFMAN RAYMOND·Filed 2012·Application pending·0 cites
- 3239US2011203807A1Multistage Production System and MethodHOFMAN RAYMOND·Filed 2011·Application pending·0 cites
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