4. Metal working
  5. Method of mechanical manufacture
  6. Muffler, manifold or exhaust pipe making

Thomas S. Katra

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Condition responsive muffler for refrigerant compressors

Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent

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Dual length inlet resonator

Refrigeration – With internal-combustion engine
Reexamination Certificate

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Integral compressor muffler

Pumps – With muffler acting on pump fluid
Reexamination Certificate

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Integral oil separator and muffler

Refrigeration – Refrigeration producer – With lubricant handling means
Patent

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Isolation device and fluid connection

Pipe joints or couplings – With casing – lining or protector – Insulated
Reexamination Certificate

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Profile ID: LFUS-PAI-P-36817

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