4. Furnaces
  5. Utilizing powdered fuel
  6. Having rotary flow means

John J. Boswell

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Burners with high turndown ratio

Furnaces – Utilizing powdered fuel – Having rotary flow means
Reexamination Certificate

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Combustors and burners with high turndown ratio

Furnaces – With exhaust gas treatment means – Afterburning means
Reexamination Certificate

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Gas combustor and combustor system for combustion of smoke,...

Heating – With means diluting – purifying or burning exhaust gases
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2051181

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