4. Gas separation: processes
  5. With control responsive to sensed condition
  6. Concentration sensed

L'Air Liquide, Societe Anonyme A Directoire et Conseil de Survei

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Barium-and calcium-based zeolitic adsorbent for gas...

Gas separation: processes – Solid sorption – Including reduction of pressure
Reexamination Certificate

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Cryogenic distillation method and system for air separation

Refrigeration – Cryogenic treatment of gas or gas mixture – Separation of gas mixture
Reexamination Certificate

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Device for shaping plastic objects under inert atmosphere

Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With normally open stock chamber
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Device for stirring a liquid and injecting a gas into said...

Gas and liquid contact apparatus – Contact devices – Rotating
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Heat exchanger with brazed plates

Heat exchange – Flow passages for two confined fluids – Interdigitated plural first and plural second fluid passages
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