Andrew Roberts

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Meriden, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
System, apparatus, and method for drilling
- Patent number 10,190,408
- Issue date Jan 29, 2019
- APS Technology, Inc.
- Andrew Roberts
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pressure locking device for downhole tools
- Patent number 9,976,413
- Issue date May 22, 2018
- APS Technology, Inc.
- David Cramer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling system and electromagnetic telemetry tool with an electric...
- Patent number 9,765,613
- Issue date Sep 19, 2017
- APS Technology, Inc.
- David Cramer
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
PRESSURE LOCKING DEVICE FOR DOWNHOLE TOOLS
- Publication number 20160245068
- Publication date Aug 25, 2016
- APS Technology, Inc.
- David David Cramer
- E21 - EARTH DRILLING MINING
Information Patent Application
Drilling System and Electromagnetic Telemetry Tool With an Electric...
- Publication number 20150247401
- Publication date Sep 3, 2015
- APS Technology, Inc.
- David Cramer
- G01 - MEASURING TESTING
Information Patent Application
System, Apparatus, and Method for Drilling
- Publication number 20150145687
- Publication date May 28, 2015
- APS Technology, Inc.
- Andrew Roberts
- E21 - EARTH DRILLING MINING