James E. Bradfield

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for measuring axially extending defects in fer...
- Patent number 4,792,756
- Issue date Dec 20, 1988
- PA Incorporated
- Clive C. Lam
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for measuring defects in ferromagnetic elements
- Patent number 4,710,712
- Issue date Dec 1, 1987
- PA Incorporated
- James E. Bradfield
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for measuring the depth of local defects in fe...
- Patent number 4,704,580
- Issue date Nov 3, 1987
- PA Incorporated
- Gordon L. Moake
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for detecting the location of defects in tubul...
- Patent number 4,636,727
- Issue date Jan 13, 1987
- PA Incorporated
- John E. Kahil
- E21 - EARTH DRILLING MINING
Information Patent Grant
Coil apparatus mounted on an axially split spool for indicating wal...
- Patent number 4,611,170
- Issue date Sep 9, 1986
- PA Incorporated
- Roderic K. Stanley
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic flux method for measuring tubular wall thickness
- Patent number 4,555,665
- Issue date Nov 26, 1985
- PA Incorporated
- Roderic K. Stanley
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for measuring defects in ferromagnetic tubing
- Patent number 4,492,115
- Issue date Jan 8, 1985
- PA Incorporated
- John E. Kahil
- E21 - EARTH DRILLING MINING

James E. Bradfield

Person

Patents Grantslast 30 patents

Method and apparatus for measuring axially extending defects in fer...

Method and apparatus for measuring defects in ferromagnetic elements

Method and apparatus for measuring the depth of local defects in fe...

Method and apparatus for detecting the location of defects in tubul...

Coil apparatus mounted on an axially split spool for indicating wal...

Magnetic flux method for measuring tubular wall thickness

Method and apparatus for measuring defects in ferromagnetic tubing