Inventor · disambiguated record
Case Nienhuis
Also filed as: NIENHUIS CASE
2 granted patents·2 pending applications·32 citations·filing 2013–2020
61Inventor score
Top patents by PatentIndex Score
4 records- 0191US10920529B2Surface controlled wireline retrievable safety valveTEJAS RES & ENGINEERING LLC·Filed 2019·Granted Feb 16, 2021·11 cites·19 claims
- 0287US9605525B2Line manifold for concurrent fracture operationsKAJARIA SAURABH·Filed 2013·Granted Mar 28, 2017·21 cites·16 claims
- 0342US2020056714A1Deep set production tubing pressure insensitive wireline retrievable safety valveTEJAS RES & ENGINEERING LLC·Filed 2019·Application pending·0 cites
- 0437US2020291750A1Method of intervention in a failed deep-set subsurface safety valve in a deepwater or ultra-deepwater subsea well using a light intervention vesselTEJAS RES & ENGINEERING LLC·Filed 2020·Application pending·0 cites
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