Class F22D : PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER; FEED-WATER SUPPLY; CONTROLLING WATER LEVEL; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN BOILERS
Subclass 1/28: Feed-water heaters, e.g. preheaters for direct heat transfer, e.g. by mixing water and steam
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11927344 | System and method for warmkeeping sub-critical steam generator | Dec 23, 21 | Mar 12, 24 | General Electric Technology GmbH |
| 11892160 | System to achieve full combustion turbine load in HRSG limited combined cycle plants | Sep 01, 22 | Feb 06, 24 | HRST, INC. |
| 11802687 | Method of efficiency enhancement of fired heaters without air preheat systems | Dec 30, 21 | Oct 31, 23 | UOP LLC |
| 10859258 | Spray nozzle and deaerator | Jan 22, 16 | Dec 08, 20 | MITSUBISHI POWER, LTD. |
| 9696027 | Economizer water recirculation system for boiler exit gas temperature control in supercritical pressure boilers | Mar 25, 10 | Jul 04, 17 | GENERAL ELECTRIC TECHNOLOGY GMBH |
| 9664379 | Heat recovery apparatus and heat recovery system | Aug 10, 12 | May 30, 17 | VICTOR TOKUHAN CO., LTD. |
| 9500360 | Closed drain recovery system | Apr 27, 12 | Nov 22, 16 | MIURA CO., LTD. |
| 9151184 | Heat exchangers, boilers, and systems incorporating the same | Mar 07, 14 | Oct 06, 15 | MOSI CHU IRREVOCABLE TRUST |
| 9028989 | Fuel cell system having a fluid flow distribution feature | Jun 03, 11 | May 12, 15 | GM GLOBAL TECHNOLOGY OPERATIONS LLC |
| 8528503 | Heat exchange system and method | Feb 27, 09 | Sep 10, 13 | Advanced Steam Technology |
| 8257590 | Hollow fiber membrane module, process for manufacturing the same, hollow fiber membrane module assembly and method of purifying suspended water with use thereof | May 21, 08 | Sep 04, 12 | ASAHI KASEI CHEMICALS CORPORATION |
| 7735323 | Solar thermal power system | Feb 12, 08 | Jun 15, 10 | LAWRENCE LIVERMORE NATIONAL SECURITY, LLC |
| 6508206 | Feed water heater | Jan 17, 02 | Jan 21, 03 | NOOTER/ERIKSEN, INC., DIDUMINDER CORPORATION, |
| 5787844 | Economizer system | Feb 29, 96 | Aug 04, 98 | AHLSTROM CORPORATION, AHLSTROM MACHINERY OY, |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2018/0245,789 | SPRAY NOZZLE AND DEAERATOR | Jan 22, 16 | Aug 30, 18 | Not available |
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