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US2588863A
|
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Spherical shell fluid separator
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GB630524A
|
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Centrifugal separator
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|
US2425110A
|
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Means including a helical ramp for centrifugally separating solids from liquids
|
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US2343682A
|
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Helical centrifugal separator
|
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US2292340A
|
|
Cusp-section muffler
|
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US2338347A
|
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Helical vent fluid bleeder
|
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US2300130A
|
|
Balanced slicing silencer
|
|
US2286683A
|
|
Differential cell orbital flow fluid silencer
|
|
US2300129A
|
|
Helical flow separator
|
|
US2241729A
|
|
Slicing, orbit function fluid stream muffler
|
|
US2229860A
|
|
Helical centrifugal separator
|
|
US2222876A
|
|
Pulsation bleeding control muffler
|
|
US2225650A
|
|
Fluid muffler
|
|
US2247130A
|
|
Noise and wave muffling conduit for fluid under pressure
|
|
US2214770A
|
|
Frequency and amplitude sound changer
|
|
US2113055A
|
|
Frequency and wave length sound changer
|
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US1492856A
|
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Oil-well-gate control
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