Inventor · disambiguated record
Amrik S. Nijjar
Also filed as: NIJJAR AMRIK S · NIJJAR AMRIK SINGH
6 granted patents·80 citations·filing 1981–2015
82Inventor score
Technology areasE21B
Top patents by PatentIndex Score
6 records- 0154US10344540B2Coupling for high strength riser with mechanically attached support members with load shouldersFMC TECH INC·Filed 2015·Granted Jul 9, 2019·1 cites·21 claims
- 0252US6095242ACasing hangerFMC CORP·Filed 1999·Granted Aug 1, 2000·31 cites·7 claims
- 0340US6065542AAdjustable hanger for tubular stringsFMC CORP·Filed 1998·Granted May 23, 2000·19 cites·7 claims
- 0440US5878816AAdjustable casing hangerFMC CORP·Filed 1997·Granted Mar 9, 1999·20 cites·7 claims
- 0530US7156039B2Keel guide systemFMC TECHNOLOGIES·Filed 2003·Granted Jan 2, 2007·2 cites·25 claims
- 0627US4403628AInside blowout preventerWOOD GEORGE & COMPANY·Filed 1981·Granted Sep 13, 1983·7 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →