JEFFREY JOHNSTON

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HOUSTON, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for inline leak detection and quantification
- Patent number 12,209,932
- Issue date Jan 28, 2025
- INLINE SERVICES, LLC
- Jeffrey Johnston
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Downhole tool with passive barrier
- Patent number 12,116,881
- Issue date Oct 15, 2024
- SPARTAN TECHNOLOGY DEVELOPMENT CORP.
- Jeffrey Johnston
- E21 - EARTH DRILLING MINING
Information Patent Grant
Time-delayed, downhole trigger
- Patent number 12,104,456
- Issue date Oct 1, 2024
- SPARTAN TECHNOLOGY DEVELOPMENT CORPORATION
- Justin Scruggs
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD FOR INLINE LEAK DETECTION & QUANTIFICATION
- Publication number 20250035506
- Publication date Jan 30, 2025
- INLINE SERVICES, LLC
- Jeffrey JOHNSTON
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
FLOATLESS PUMPS AND CONTROL SYSTEMS
- Publication number 20240076971
- Publication date Mar 7, 2024
- NEXTECH ENVIRONMENTAL, LLC
- Joseph Lee Shannon
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Application
DOWNHOLE TOOL WITH PASSIVE BARRIER
- Publication number 20230083743
- Publication date Mar 16, 2023
- SPARTAN DOWNHOLE, LLC
- JEFFREY JOHNSTON
- E21 - EARTH DRILLING MINING
Information Patent Application
TIME-DELAYED, DOWNHOLE TRIGGER
- Publication number 20220333459
- Publication date Oct 20, 2022
- SPARTAN DOWNHOLE, INC
- JUSTIN SCRUGGS
- E21 - EARTH DRILLING MINING