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US3234122A
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Process for treating crude petroleum oils
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GB886674A
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Improvements in or relating to apparatus for use in controlling a flow of fluid along a pipe
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GB507761A
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Improvements relating to the refining of paraffin wax
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GB484207A
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A new or improved method of and apparatus for the separation of paraffin waxes or oil-wax mixtures
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GB431456A
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Apparatus for testing plastic materials
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GB394414A
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Method of refining oil-wax mixtures
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US1987522A
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Bore hole survey apparatus
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US1990466A
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Production of asphaltic products from aromatic extracts of mineral oils
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GB358668A
|
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Improvements in the manufacture of waxes
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US1918009A
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Wax sweating plant
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US1859376A
|
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Wax sweating plant
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GB351745A
|
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Improved method of and apparatus for recording the directional inclination of bore holes
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GB357133A
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A process for obtaining carbon from flames
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US1830524A
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Internal pipe cutter or oil well casing cutter
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US1743746A
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Wax sweating and crystallizing apparatus
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GB260455A
|
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Improved process for the purification of mineral oil distillates and of paraffin wax
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GB243447A
|
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Improved wax sweating and crystallizing apparatus
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US1678070A
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Apparatus for cooling oil or other liquids
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GB203160A
|
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Improved apparatus for cooling oil or other liquids
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GB208195A
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Improved apparatus for sweating or crystallizing paraffin or other wax
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