4. Heating
  5. Heating apparatus element having protective cooling structure
  6. Wall, floor or roof element

John A. Hammond

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Adaptable multiple port data buffer

Boots – shoes – and leggings
Patent

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Constant carrier watchdog

Pulse or digital communications – Repeaters – Testing
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Hydraulically operated blanket batch charger

Glass manufacturing – Glass furnace with furnace charging means
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Noise tool and method

Communications: electrical – Wellbore telemetering or control – Pulse or digital signal transmission
Patent

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Refractory tile for a suspended furnace wall

Heating – Heating apparatus element having protective cooling structure – Wall – floor or roof element
Patent

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Profile ID: LFUS-PAI-P-860494

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