|
US2893391A
|
|
Injection apparatus
|
|
US2962890A
|
|
Wear tester
|
|
US2941537A
|
|
Method and apparatus for preventing mixing at the interface of two fluid products in a pipeline
|
|
US2811145A
|
|
Method of operating a compression ignition internal combustion engine
|
|
US2837920A
|
|
Sampling apparatus
|
|
US2755433A
|
|
Apparatus for collecting and quantitatively measuring particles
|
|
US2783458A
|
|
Faulty circuit alarm
|
|
US2800628A
|
|
Dual testing capacitor
|
|
US2783420A
|
|
Dielectric sensitive apparatus
|
|
US2649165A
|
|
Grease compacter
|
|
US2642386A
|
|
Laboratory flash still for heavy oils
|
|
US2608528A
|
|
Microstill
|
|
US2692497A
|
|
Adsorption isotherm determination
|
|
US2664111A
|
|
Fluid flow control
|
|
US2583421A
|
|
Pump
|
|
US2614546A
|
|
Internal-combustion engine
|
|
US2573807A
|
|
Still
|
