4. Refrigeration
  5. Low pressure cold trap process and apparatus

Stephen R. Matte

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Convection-shielded cryopump

Refrigeration – Low pressure cold trap process and apparatus
Patent

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Convection-shielded cryopump

Refrigeration – Low pressure cold trap process and apparatus
Patent

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Corrosion resistant cryopump

Refrigeration – Low pressure cold trap process and apparatus
Patent

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Cryopump with selective condensation and defrost

Refrigeration – Low pressure cold trap process and apparatus
Patent

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Electronically controlled vacuum pump

Pumps – Condition responsive control of pump drive motor – With condition responsive control of pump fluid valve
Reexamination Certificate

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Profile ID: LFUS-PAI-P-423820

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