Drill string joint
United States Patent 3015500
US Patent References:
/RE21606.html
- - RE21606
/0391313.html
- - 0391313
/1043806.html
- - 1043806
Stovepipe casing
- - 1738021
Reenforcement for pipe-line joints
- - 1790266
/RE21606.html
- - RE21606
/0391313.html
- - 0391313
/1043806.html
- - 1043806
Stovepipe casing
- - 1738021
Reenforcement for pipe-line joints
- - 1790266
Inventors:
Barnett, Paul B.
Publication Date:
01/02/1962
View Patent Images:
Export Citation:
Assignee:
Dresser, Ind
Primary Class:
Other Classes:
285/333, 285/55, 285/332.300, 285/373, 285/81
International Classes:
E21B17/06; E21B17/02
Foreign References:
| FR738569A | ||||
| FR745184A | ||||
| GB508498A |