Class F22D : PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER; FEED-WATER SUPPLY; CONTROLLING WATER LEVEL; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN BOILERS
Subclass 1/24: Feed-water heaters, e.g. preheaters with fire tubes or flue ways traversing feed-water vessels
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11732885 | Economizer | May 23, 19 | Aug 22, 23 | Not available |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2022/0260,326 | HEAT EXCHANGER BAFFLES AND METHODS FOR MANUFACTURING THE SAME | Jul 15, 20 | Aug 18, 22 | Bradford White Corporation |
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