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US2398338A
|
Combination heater and water knockout apparatus for treatin… |
Expired / Lapsed
|
1942-10-16 |
1946-04-09 |
0 |
Details
|
|
US2384222A
|
Method of and means for desalting petroleum well fluids |
Expired / Lapsed
|
1941-04-28 |
1945-09-04 |
0 |
Details
|
|
US2319962A
|
Method of and means for treating and/or dehydrating oil, ga… |
Expired / Lapsed
|
1940-06-24 |
1943-05-25 |
0 |
Details
|
|
US2297297A
|
Treatment of oil, gas, and water mixtures |
Expired / Lapsed
|
1940-05-27 |
1942-09-29 |
0 |
Details
|