Inventor · disambiguated record
John Gregory Landthrip
Also filed as: LANDTHRIP JOHN G · LANDTHRIP JOHN GREGORY
5 granted patents·41 citations·filing 2009–2022
76Inventor score
Technology areasE21B
Top patents by PatentIndex Score
5 records- 0193US11391108B2Shear ram for a blowout preventerCAMERON INT CORP·Filed 2020·Granted Jul 19, 2022·6 cites·15 claims
- 0289US8511387B2Made-up flange locking capFRASER THOMAS A·Filed 2010·Granted Aug 20, 2013·25 cites·20 claims
- 0379US8499838B2Subsea locking connectorFRASER THOMAS A·Filed 2010·Granted Aug 6, 2013·9 cites·15 claims
- 0463US11808101B2Shear ram for a blowout preventerSCHLUMBERGER TECHNOLOGY CORP·Filed 2022·Granted Nov 7, 2023·0 cites·16 claims
- 0538US8439327B2Shear block and blade interface and methodHALL CHRISTOPHER A·Filed 2009·Granted May 14, 2013·1 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →