DHT Technologies, Ltd.

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Patents Grantslast 30 patents

Information Patent Grant
Retrieval head for a drill bit composed of a plurality of bit segments
- Patent number 6,244,363
- Issue date Jun 12, 2001
- DHT Technologies, LTD
- Gavin T. McLeod
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tool for transporting cutting means to and from a ground drill
- Patent number 6,206,114
- Issue date Mar 27, 2001
- DHT Technologies, Ltd.
- Gavin Thomas McLeod
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sleeve for orientating a tool
- Patent number 6,173,796
- Issue date Jan 16, 2001
- DHT Technologies LTD
- Gavin T. McLeod
- E21 - EARTH DRILLING MINING
Information Patent Grant
Retractable drill bit system
- Patent number 6,155,360
- Issue date Dec 5, 2000
- DHT Technologies, Ltd.
- Gavin Thomas McLeod
- E21 - EARTH DRILLING MINING
Information Patent Grant
Retraction system for a latching mechanism of a tool
- Patent number 6,059,053
- Issue date May 9, 2000
- DHT Technologies, Ltd.
- Galvin Thomas McLeod
- E21 - EARTH DRILLING MINING
Information Patent Grant
Spear head assembly
- Patent number 6,045,171
- Issue date Apr 4, 2000
- DHT Technologies Ltd.
- Gavin T. McLeod
- E21 - EARTH DRILLING MINING
Information Patent Grant
Locking system for a firing mechanism of a downhole tool
- Patent number 6,039,129
- Issue date Mar 21, 2000
- DHT Technologies, Ltd.
- Galvin Thomas McLeod
- E21 - EARTH DRILLING MINING