Description
Class F22D : PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER; FEED-WATER SUPPLY; CONTROLLING WATER LEVEL; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN BOILERS
Subclass 1/00: Feed-water heaters, e.g. preheaters
F22D 1/00
Sub-Class
Stats
- 44 US PATENTS IN FORCE
- 1 US APPLICATIONS PENDING
- 26 Total Patent Owners
- 294 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10501847 | Apparatus and method for generating a vapor for a CVD or PVD device | Jun 17, 15 | Dec 10, 19 | AIXTRON SE |
| 10393369 | System and method for fluid medium preheating | Mar 27, 15 | Aug 27, 19 | General Electric Company |
| 10378763 | Method and apparatus to facilitate heating feedwater in a power generation system | Dec 03, 15 | Aug 13, 19 | General Electric Company |
| 10337800 | Modular plate and shell heat exchanger | Jun 22, 17 | Jul 02, 19 | Westinghouse Electric Company LLC |
| 10288279 | Flue gas heat recovery integration | Mar 15, 16 | May 14, 19 | ALSTOM Technology Ltd. |
| 10260825 | Heat exchange system and method | Aug 04, 17 | Apr 16, 19 | Advanced Steam Technology |
| 10247409 | Remote preheat and pad steam generation | Nov 02, 16 | Apr 02, 19 | ConocoPhillips Company |
| 10180086 | Heat exchanging system and method for a heat recovery steam generator | Sep 23, 14 | Jan 15, 19 | Nooter Eriksen Inc. |
| 10125973 | Steam generation apparatus and associated control system and methods for startup | Mar 01, 16 | Nov 13, 18 | Skavis Corporation |
| 10006310 | Steam power plant with an additional flexible solar system for the flexible integration of solar energy | Dec 10, 13 | Jun 26, 18 | General Electric Technology GmbH |
| 9995285 | Method for operating a solar thermal power system with an economizer recirculation line | Jun 20, 17 | Jun 12, 18 | ALSTOM Technology Ltd. |
| 9879853 | Steam generator | Apr 05, 11 | Jan 30, 18 | SIEMENS AKTIENGESELLSCHAFT |
| 9758880 | Method and system for controlling water chemistry in power generation plant | Mar 09, 10 | Sep 12, 17 | KABUSHIKI KAISHA TOSHIBA |
| 9726443 | Heat exchange system and method | Aug 09, 13 | Aug 08, 17 | Advanced Steam Technology |
| 9702583 | Method and apparatus for heating a stored liquid | Feb 22, 13 | Jul 11, 17 | PITYU CONTROLS INC. |
| 9638064 | Back-up boiler system for a solar thermal power plant based on molten salt technology, a solar thermal power plant and a method for operating a solar thermal power plant | Mar 19, 13 | May 02, 17 | STAMICARBON B.V., STAMICARBON B.V. ACTING UNDER THE NAME OF MT INNOVATION CENTER, Enea, Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile, |
| 9581328 | High efficiency feedwater heater | Mar 19, 08 | Feb 28, 17 | NOOTER/ERIKSEN, INC., NOOTER/ERIKSEN, |
| 9459005 | Steam cycle efficiency improvement with pre-economizer | Aug 25, 11 | Oct 04, 16 | THE BABCOCK & WILCOX COMPANY |
| 9303865 | Steam generation apparatus and associated control system and methods for startup | Sep 18, 13 | Apr 05, 16 | Skavis Corporation |
| 9273866 | Geothermal assisted power generation | Jun 26, 12 | Mar 01, 16 | UNIVERSITY OF NEWCASTLE UPON TYNE |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2019/0170,344 | VERTICAL HEAT RECOVERY STEAM GENERATOR | Jul 19, 16 | Jun 06, 19 | Siemens Aktiengesellschaft |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 32 Months (last 2 years Issuances)
- 32 Months (last 5 years Issuances)