Tom Scott Roberts

Person

Quedgeley, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Method of applying a wear-resistant layer to a surface of a downhol...
- Patent number 6,575,350
- Issue date Jun 10, 2003
- Stephen Martin Evans
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Active gauge cutting structure for earth boring drill bits
- Patent number 6,427,792
- Issue date Aug 6, 2002
- Camco International (UK) Limited
- Tom Roberts
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of applying a wear-resistant layer to a surface of a downhol...
- Patent number 6,234,261
- Issue date May 22, 2001
- Camco International (UK) Limited
- Stephen Martin Evans
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary drill bits with extended bearing surfaces
- Patent number 6,129,161
- Issue date Oct 10, 2000
- Camco International (UK) Limited
- Tom Scott Roberts
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary drill bits
- Patent number 6,092,613
- Issue date Jul 25, 2000
- Camco International (UK) Limited
- Douglas Caraway
- E21 - EARTH DRILLING MINING
Information Patent Grant
Preform cutting elements for rotary drill bits
- Patent number 6,065,554
- Issue date May 23, 2000
- Camco Drilling Group Limited
- Malcolm Roy Taylor
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary drill bits
- Patent number 5,992,547
- Issue date Nov 30, 1999
- Camco International (UK) Limited
- Douglas Caraway
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary drill bits
- Patent number 5,967,246
- Issue date Oct 19, 1999
- Camco International (UK) Limited
- Douglas Caraway
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary drill bits
- Patent number 5,904,213
- Issue date May 18, 1999
- Camco International (UK) Limited
- Douglas Caraway
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Method of applying a wear-resistant layer to a surface of a downhol...
- Publication number 20010030067
- Publication date Oct 18, 2001
- Stephen Martin Evans
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Method of applying a wear-resistant layer to a surface of a downhol...
- Publication number 20010017224
- Publication date Aug 30, 2001
- Stephen Martin Evans
- E21 - EARTH DRILLING MINING

Tom Scott Roberts

Person

Patents Grantslast 30 patents

Method of applying a wear-resistant layer to a surface of a downhol...

Active gauge cutting structure for earth boring drill bits

Method of applying a wear-resistant layer to a surface of a downhol...

Rotary drill bits with extended bearing surfaces

Rotary drill bits

Preform cutting elements for rotary drill bits

Rotary drill bits

Rotary drill bits

Rotary drill bits

Patents Applicationslast 30 patents

Method of applying a wear-resistant layer to a surface of a downhol...

Method of applying a wear-resistant layer to a surface of a downhol...