Inventor · disambiguated record
Rishi Gurjar
Also filed as: GURJAR RISHI · GURJAR RISHI SHANKAR
8 granted patents·3 pending applications·125 citations·filing 2002–2022
86Inventor score
Technology areasE21B
Files withRYAN ENERGY TECH4WENZEL DOWNHOLE TOOLS ULC3PRECISION ENERGY SERVICES INC1WEATHERFORD LAMB1WEATHERFORD LAMB INC1
Top patents by PatentIndex Score
11 records- 0188US8342970B2Drive shaft universal joint assembly with radial elliptical projectionsPRECISION ENERGY SERVICES INC·Filed 2011·Granted Jan 1, 2013·17 cites·10 claims
- 0285US7237626B2Tool module connector for use in directional drillingRYAN ENERGY TECH·Filed 2003·Granted Jul 3, 2007·81 cites·15 claims
- 0371US11371289B2Drive shaft assembly for downhole drilling and method for using sameWENZEL DOWNHOLE TOOLS ULC·Filed 2020·Granted Jun 28, 2022·1 cites·15 claims
- 0464US7946361B2Flow operated orienter and method of directional drilling using the flow operated orienterWEATHERFORD LAMB·Filed 2009·Granted May 24, 2011·12 cites·26 claims
- 0558US9657520B2Wired or ported transmission shaft and universal joints for downhole drilling motorWEATHERFORD LAMB INC·Filed 2013·Granted May 23, 2017·2 cites·38 claims
- 0657US2022325584A1Drive Shaft Assembly for Downhole Drilling and Method for Using SameWENZEL DOWNHOLE TOOLS ULC·Filed 2022·Application pending·0 cites
- 0750US7360796B2Electrical isolation connector subassembly for use in directional drillingRYAN ENERGY TECH·Filed 2005·Granted Apr 22, 2008·2 cites·11 claims
- 0849US7032930B2Electrical isolation connector subassembly for use in directional drillingRYAN ENERGY TECH·Filed 2003·Granted Apr 25, 2006·10 cites·12 claims
- 0940US7364203B2Reinforcement for arched type structure with beveled screwed endsRYAN ENERGY TECH·Filed 2006·Granted Apr 29, 2008·0 cites·8 claims
- 1037US2019338595A1Fixed bend assemblyWENZEL DOWNHOLE TOOLS ULC·Filed 2019·Application pending·0 cites
- 1131US2004007872A1Tool module interconnect for use in directional drillingFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →