Class F28G : CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OF BOILERS
Subclass 3/12: Rotary appliances having scrapers, hammers, or cutters, e.g. rigidly mounted resiliently mounted
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10294433 | Gas conditioning process and system for extracting a condensable vapour from a supplied gas | Jul 15, 16 | May 21, 19 | Sage & Time LLP |
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