Class F22D : PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER; FEED-WATER SUPPLY; CONTROLLING WATER LEVEL; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN BOILERS
Subclass 1/02: Feed-water heaters, e.g. preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways (heat-exchange tubes in general F28F)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12130011 | Steam boiler system and method of circulating water and steam in a steam boiler system | Dec 06, 22 | Oct 29, 24 | MAXI-THERME INC. |
| 11944922 | Water treatment system | Oct 23, 23 | Apr 02, 24 | Not available |
| 11834968 | Steam generation apparatus and exhaust gas heat recovery plant | Nov 26, 20 | Dec 05, 23 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 11732885 | Economizer | May 23, 19 | Aug 22, 23 | Not available |
| 11242987 | Once-through evaporator systems | Nov 19, 18 | Feb 08, 22 | General Electric Technology GmbH |
| 10921025 | Hot water tank | Jul 22, 16 | Feb 16, 21 | NATIONAL MACHINE GROUP |
| 10883713 | Energy saving boiler system of steam supply | May 12, 16 | Jan 05, 21 | Guangdong University of Technology |
| 10844753 | Boiler, steam-generating plant provided with same, and method for operating boiler | Mar 22, 16 | Nov 24, 20 | MITSUBISHI HITACHI POWER SYSTEMS, LTD. |
| 10295174 | Steam generation apparatus and associated control system and methods for providing venting | Mar 01, 16 | May 21, 19 | Skavis Corporation |
| 10221726 | Condensing heat recovery steam generator | Dec 21, 15 | Mar 05, 19 | Cockerill Maintenance & Ingenierie S.A. |
| 10215399 | Small supercritical once-thru steam generator | Mar 14, 13 | Feb 26, 19 | THE BABCOCK & WILCOX COMPANY |
| 10197266 | Boiler system comprising an integrated economizer | Jun 12, 15 | Feb 05, 19 | Thermodesign, Inc. |
| 10197267 | Split pass economizer bank with integrated water coil air heating and feedwater biasing | Jan 30, 13 | Feb 05, 19 | THE BABCOCK & WILCOX COMPANY |
| 10180086 | Heat exchanging system and method for a heat recovery steam generator | Sep 23, 14 | Jan 15, 19 | Nooter Eriksen Inc. |
| 10101021 | Control method for operating a heat recovery steam generator | Oct 29, 15 | Oct 16, 18 | Siemens Aktiengesellschaft |
| 10006634 | Coal fired oxy plant with air separation unit including parallel coupled heat exchanger | May 08, 15 | Jun 26, 18 | General Electric Technology GmbH |
| 9927117 | Fossil-fuel power plant and fossil-fuel power plant operation method | Mar 31, 14 | Mar 27, 18 | Electric Power Development Co. Ltd. |
| 9879853 | Steam generator | Apr 05, 11 | Jan 30, 18 | SIEMENS AKTIENGESELLSCHAFT |
| 9879857 | removal unit | Jul 31, 15 | Jan 30, 18 | GENERAL ELECTRIC TECHNOLOGY GMBH |
| 9862620 | Systems and methods for water reclamation and ethanol distillation | Jun 03, 14 | Jan 09, 18 | Morningside Venture Investments Limited |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0418,361 | STEAM BOILER SYSTEM AND METHOD OF CIRCULATING WATER AND STEAM IN A STEAM BOILER SYSTEM | Aug 30, 24 | Dec 19, 24 | Not available |
| 2024/0353,093 | STEAM GENERATOR AND METHOD | Apr 16, 24 | Oct 24, 24 | Not available |
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