4. Rotary expansible chamber devices
  5. With mechanical sealing

Arno Heinz

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Rotary helical screw-type compressor having a thermally...

Rotary expansible chamber devices – Interengaging rotating members – Helical or herringbone
Reexamination Certificate

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Rotary helical screw-type compressor having an intake filter...

Rotary expansible chamber devices – With removal or accommodation of solid foreign material in... – With filter
Reexamination Certificate

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Sealing device on a shaft journal of a dry-running helical...

Rotary expansible chamber devices – With mechanical sealing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2032239

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