F28G 1/06

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Description

Class  F28G : CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OF BOILERS


Subclass 1/06: Non-rotary, e.g. reciprocated, appliances (F28G 3/00 takes precedence) having coiled wire tools, i.e. basket type

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
9533277 Device for producing gas hydrateOct 26, 11Jan 03, 17MITSUI ENGINEERING & SHIPBUILDING CO., LTD.

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