4. Pumps
  5. Expansible chamber type
  6. Plural pumping chambers

Frederick A. Powers

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Air motor

Equipment for production – distribution – or transformation of ene – Energy conversion or transformation – Generator – motor or casing therefor
Patent

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Data management system for building a database with multi-dimens

Boots – shoes – and leggings
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Database system with multi-dimensional summary search tree nodes

Boots – shoes – and leggings
Patent

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Device for reducing icing

Expansible chamber devices – Cylinder detail
Patent

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Leakage preventing liquid supply pump

Pumps – Successive stages – Reciprocating rigid stages
Patent

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Profile ID: LFUS-PAI-P-157718

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