F28G

Watch

Stats

Description

CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OF BOILERS (cleaning pipes or tubes in general B08B 9/02; devices or arrangements for removing water, minerals, or sludge from boilers while the boiler is in operation, or which remain in position while the boiler is in operation, or are specifically adapted to boilers without any other utility F22B 37/48; removal or treatment of combustion products or combustion residues F23J; removing ice from heat-exchange apparatus F28F 17/00)

Subclasses

Not Available
Subclass Title
1/00 Non-rotary, e.g. reciprocated, appliances (F28G 3/00 takes precedence)
1/02 Non-rotary, e.g. reciprocated, appliances (F28G 3/00 takes precedence) having brushes (brushes A46B)
1/04 Non-rotary, e.g. reciprocated, appliances (F28G 3/00 takes precedence) having articulated tools, e.g. assembled in chain manner
1/06 Non-rotary, e.g. reciprocated, appliances (F28G 3/00 takes precedence) having coiled wire tools, i.e. basket type
1/08 Non-rotary, e.g. reciprocated, appliances (F28G 3/00 takes precedence) having scrapers, hammers, or cutters, e.g. rigidly mounted

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Recent Patents

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Recent Publications

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Patents Issued To Date - By Filing Year

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