4. Rotary expansible chamber devices
  5. Self-acting unidirectional flow with reverse rotation or...

Herbert E. Lindtveit

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Liquid flow control apparatus

Pumps – With condition responsive pumped fluid control – Having timer or delay means for fluid controller
Patent

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Oil filter head

Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Design Patent

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Pressure responsive valve

Fluid handling – Line condition change responsive valves – Direct response valves
Patent

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Reversible pump

Rotary expansible chamber devices – Convertible or changeable by assembly or disassembly
Patent

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Valve controlled reversible pump

Rotary expansible chamber devices – Self-acting unidirectional flow with reverse rotation or...
Patent

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Profile ID: LFUS-PAI-P-362457

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