Andrew Ollerenshaw

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Sheffield, GB

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for hard facing a substrate
- Patent number 12,138,703
- Issue date Nov 12, 2024
- CUTTING & WEAR RESISTANT DEVELOPMENTS LIMITED
- Mark Russell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circulation subassembly
- Patent number 10,648,261
- Issue date May 12, 2020
- Intelligent Drilling Tools Limited
- James Hardy
- E21 - EARTH DRILLING MINING
Information Patent Grant
Disconnect and other devices for downhole assembly
- Patent number 10,370,907
- Issue date Aug 6, 2019
- INTELLIGENT DRILLING TOOLS LIMITED
- Andrew Ollerenshaw
- G01 - MEASURING TESTING
Information Patent Grant
Disconnect device for downhole assembly
- Patent number 8,789,579
- Issue date Jul 29, 2014
- Intelligent Drilling Tools Limited
- Andy Ollerenshaw
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole under-reamer tool
- Patent number 7,252,163
- Issue date Aug 7, 2007
- Toolbox Drilling Solutions Limited
- Andrew Ollerenshaw
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fluid controlled adjustable down-hole tool
- Patent number 6,708,785
- Issue date Mar 23, 2004
- Mark Alexander Russell
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD FOR HARD FACING A SUBSTRATE
- Publication number 20210046566
- Publication date Feb 18, 2021
- CUTTING & WEAR RESISTANT DEVELOPMENTS LIMITED
- Mark Russell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
CIRCULATION SUBASSEMBLY
- Publication number 20180328129
- Publication date Nov 15, 2018
- INTELLIGENT DRILLING TOOLS LIMITED
- James Hardy
- E21 - EARTH DRILLING MINING
Information Patent Application
DISCONNECT AND OTHER DEVICES FOR DOWNHOLE ASSEMBLY
- Publication number 20170044844
- Publication date Feb 16, 2017
- INTELLIGENT DRILLING TOOLS LIMITED
- Andrew OLLERENSHAW
- G01 - MEASURING TESTING
Information Patent Application
CUTTING TOOL INSERTS
- Publication number 20120193152
- Publication date Aug 2, 2012
- Mark Russell
- E21 - EARTH DRILLING MINING
Information Patent Application
DISCONNECT DEVICE FOR DOWNHOLE ASSEMBLY
- Publication number 20110308784
- Publication date Dec 22, 2011
- INTELLIGENT DRILLING TOOLS LIMITED
- Andy Ollerenshaw
- E21 - EARTH DRILLING MINING
Information Patent Application
Downhole Tool
- Publication number 20100108394
- Publication date May 6, 2010
- REAMERCO LIMITED
- Andrew Ollerenshaw
- E21 - EARTH DRILLING MINING
Information Patent Application
Adjustable downhole tool
- Publication number 20040168832
- Publication date Sep 2, 2004
- Mark Alexander Russell
- E21 - EARTH DRILLING MINING