Ralph Joseph Robert

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Spring, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Pressure regulating check valve
- Patent number 11,649,695
- Issue date May 16, 2023
- Halliburton Energy Services, Inc.
- Ralph Joseph Robert
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pressure regulating check valve
- Patent number 11,220,884
- Issue date Jan 11, 2022
- Halliburton Energy Services, Inc.
- Ralph Joseph Robert
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pressure testing for downhole fluid injection systems
- Patent number 10,443,377
- Issue date Oct 15, 2019
- Halliburton Energy Services, Inc.
- Louis F. Lafleur
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Pressure Regulating Check Valve
- Publication number 20220090468
- Publication date Mar 24, 2022
- Halliburton Energy Services, Inc.
- Ralph Joseph Robert
- E21 - EARTH DRILLING MINING
Information Patent Application
Pressure Testing for Downhole Fluid Injection Systems
- Publication number 20190010805
- Publication date Jan 10, 2019
- Halliburton Energy Services, Inc.
- Louis F. Lafleur
- E21 - EARTH DRILLING MINING
Information Patent Application
Pressure Regulating Check Valve
- Publication number 20180328142
- Publication date Nov 15, 2018
- Halliburton Energy Services, Inc.
- Ralph Joseph Robert
- E21 - EARTH DRILLING MINING