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US5935424A
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Close tolerance, low flow, flow control device using etched discs
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US5711877A
|
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Etched disc with crosshatch pattern
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US4883588A
|
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Underwater filter system
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US4726900A
|
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Stacked sheet filter element
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US4631126A
|
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Filter insert system
|
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US4456033A
|
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Perforated sheet stock flow restrictor
|
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US4398563A
|
|
Multi-tube flow restrictor
|
|
US4352373A
|
|
Disc-reel sound suppressor
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CH513667A
|
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Filter for liquids or gases eg hydraulic - fluids and fuels
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GB1198541A
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Filter.
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GB1198542A
|
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A Process for Producing an Edge Filter Element.
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FR1546259A
|
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Filtered
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GB1205075A
|
|
Coiled ribbon edge-type filters
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CA867941A
|
|
Filter
|
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CA846580A
|
|
Filter
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CA855037A
|
|
Filter means and method of making the same
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