John Starr

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Modular configurable wellsite surface equipment
- Patent number 11,320,079
- Issue date May 3, 2022
- Liberty Oilfield Services LLC
- Yann Patrick Kuhn De Chizelle
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pressure-reducing choke assembly
- Patent number 11,125,217
- Issue date Sep 21, 2021
- Schlumberger Technology Corporation
- Gustavo Plaza
- G05 - CONTROLLING REGULATING
Information Patent Grant
Packing assembly for reciprocating pumps
- Patent number 8,616,555
- Issue date Dec 31, 2013
- Schlumberger Technology Corporation
- Garud Sridhar
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
MODULAR CONFIGURABLE WELLSITE SURFACE EQUIPMENT
- Publication number 20220221097
- Publication date Jul 14, 2022
- LIBERTY OILFIELD SERVICES LLC
- Yann Patrick KUHN DE CHIZELLE
- E21 - EARTH DRILLING MINING
Information Patent Application
MODULAR CONFIGURABLE WELLSITE SURFACE EQUIPMENT
- Publication number 20210123551
- Publication date Apr 29, 2021
- LIBERTY OILFIELD SERVICES LLC
- Yann Patrick KUHN DE CHIZELLE
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Pressure-Reducing Choke Assembly
- Publication number 20170130706
- Publication date May 11, 2017
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Gustavo Plaza
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Packing Assembly for Reciprocating Pumps
- Publication number 20100090409
- Publication date Apr 15, 2010
- Garud Sridhar
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...