Class F22D : PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER; FEED-WATER SUPPLY; CONTROLLING WATER LEVEL; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN BOILERS
Subclass 1/20: Feed-water heaters, e.g. preheaters with water tubes arranged otherwise than in the boiler furnace, fire tubes, or flue ways and directly connected to boilers
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11022005 | Steam turbine power plant utilizing industrial heat pumps to preheat boiler feed-water | Sep 21, 20 | Jun 01, 21 | Not available |
| 10704783 | High temperature fluid generator | Dec 23, 14 | Jul 07, 20 | Thermodesign, Inc |
| 10197266 | Boiler system comprising an integrated economizer | Jun 12, 15 | Feb 05, 19 | Thermodesign, Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2017/0023,240 | HIGH TEMPERATURE FLUID GENERATOR | Dec 23, 14 | Jan 26, 17 | THERMODESIGN INC. |
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