| Patents for F22D 11 - Feed-water supply not provided for in other main groups (1,262) |
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| 08/27/2002 | CA2373324A1 Method for feeding corrosion inhibitor |
| 08/07/2002 | CN2504496Y Sprinkling evaporation cooler |
| 06/26/2002 | EP1217293A1 Method for operating a total energy apparatus, and pumpless high pressure total energy apparatus |
| 06/20/2002 | US20020074106 Method for operating a total energy apparatus, and pumpless high-pressure total energy apparatus |
| 06/11/2002 | US6402984 Comprised of water, potassium sorbate, cobalt sulfate, and sodium or potassium sulfite or hydrogen sulfite; corrosion resistant |
| 05/22/2002 | CN2492754Y Self-booster |
| 05/22/2002 | CN2492753Y Multi-channel network sharer |
| 05/14/2002 | US6386148 Steam-raising system |
| 03/20/2002 | CN2482630Y High-temperature water recovery device |
| 03/20/2002 | CN1081314C Feed water supply system of power plant |
| 03/13/2002 | CN2481972Y Composite material plate sliding support of condenser for power station |
| 03/13/2002 | CN2481971Y Module pipe bundle structure of condenser for power station |
| 03/13/2002 | CN2481970Y Circulation cooling water horizontal turning device of condenser for power station |
| 03/13/2002 | CN2481969Y Arc water chamber of condenser for power station |
| 02/26/2002 | US6349677 Steam boiler piping |
| 02/05/2002 | US6343570 Steam generator, in particular waste-heat steam generator, and method for operating the steam generator |
| 01/31/2002 | WO2002008577A1 Method for operating a gas and steam turbine installation and corresponding installation |
| 01/30/2002 | CN2474904Y Integrated module type water supplying machine set |
| 01/09/2002 | EP1169266A1 Adjustment of the conditioning of feed water of boilers, heating systems and steam generators |
| 11/21/2001 | CN2460864Y Vaporization condenser calandria |
| 11/14/2001 | CN2459535Y Device for recovering steam condensing water |
| 10/30/2001 | CA1341312C Method of manufacture of rubber-bitumen compositions |
| 10/03/2001 | CN1072345C System for recovering steam condensated water and supplying water of boiler |
| 09/05/2001 | CN2446384Y Non-pump backpressure reclaiming device for condensate |
| 08/22/2001 | CN1069956C Pump and over-center snap link |
| 07/11/2001 | CN2438920Y Full-closed vapour condensation water recovery equipment |
| 06/12/2001 | US6244828 Pump and combination pump and trap with snap-over mechanism and double-seal outlet valve |
| 06/06/2001 | CN2433517Y Low-level steam injection vacuum device |
| 06/06/2001 | CN2433516Y Double-boiling-type condensing evaporimeter |
| 06/06/2001 | CN2433515Y Water inlet flor guiding device |
| 05/30/2001 | CN2432443Y Condensate recovery device |
| 05/30/2001 | CN2432442Y Closed condensate recovery device |
| 05/23/2001 | CN2431479Y Steam recovering machine |
| 04/11/2001 | EP1091170A2 A steam-raising system |
| 04/04/2001 | CN1289913A 锅炉 Boiler |
| 03/28/2001 | CN2425272Y Condensate delivery device |
| 03/06/2001 | US6196163 Boiler feed water heat energy saver |
| 02/28/2001 | CN2421518Y Device for recovering and storing condensed mater |
| 02/20/2001 | CA2160629C Pump and over-center snap link |
| 02/14/2001 | CN1062052C Process and device for operating water-steam circuit of thermoelectric power station |
| 11/22/2000 | CN2407236Y Closed high temperature condensed water recovering device |
| 11/09/2000 | DE19934412C1 Power-station feed-water pump arrangement esp. for gas and steam plant |
| 10/19/2000 | WO2000061499A1 Adjustment of the conditioning of feed water of boilers, heating systems and steam generators |
| 10/18/2000 | EP1045045A1 Composition and process for the conditioning of water for industrial use |
| 09/20/2000 | CN1267357A Steam genrator, especially waste heat recovery steam generator and method for operating said generator |
| 08/30/2000 | CN1055991C Self-equilibrating positive-pressure enclosed circulation heat-exchanging system for steam boilers |
| 08/29/2000 | US6109037 Feed water heating system for power-generating plant |
| 08/29/2000 | US6109020 Combined cycle power plant with a once through steam generator |
| 07/25/2000 | CA2046878C Oxygen scavenger for a boiler water system and a method of removing dissolved oxygen in a boiler water system |
| 07/19/2000 | CN2388492Y High-temp. condensate closed recovery device |
| 06/28/2000 | EP1012450A1 Additive dispensing apparatus |
| 06/21/2000 | EP1009920A1 Steam generator, especially waste heat recovery steam generator and method for operating said generator |
| 06/02/2000 | WO2000031380A1 Steam power plant |
| 05/31/2000 | EP1004751A1 Steam power plant |
| 04/12/2000 | CN1250141A Closed condesed-water recovering technology and equipment |
| 03/08/2000 | CN1246595A Water supply equipment using steam pressure and its application |
| 02/22/2000 | US6027687 Sulfite based oxygen scavanger consists of potassium hydroxide, sodium hydroxide, potassium sorbate and sodium or potassium hydrogen sulfite or sulfite to minimize the oxygen and maintaing concentration of sulfate ions less than 500ppm. |
| 02/15/2000 | US6025418 Adding thiuram disulfide or metal dithiocarbamate derivative with sulfur when elastomer is incorporated into bitumen; vulcanization |
| 02/03/2000 | DE19836094A1 Reliable operating of boiler feed pump with feed water container for steam turbine power plant by measuring temperature and pressure of feed water and determining temperature difference |
| 09/21/1999 | CA2026494C Deaerator heat exchanger for combined cycle power plant |
| 09/02/1999 | DE19809165A1 Procedure for secure operation of boiler feed pump for storage water tanks operated at sliding or fixed pressure in steam turbine power stations |
| 08/25/1999 | CN2335007Y Fully automatic catalyzing deoxidising deferrization device |
| 07/06/1999 | US5919360 Additive dispensing apparatus |
| 07/06/1999 | US5918570 Deaerated feedwater supply system for a boiler system and a method for deaerating boiler feedwater |
| 06/23/1999 | CN2325644Y Arrangement for returning condensate to boiler |
| 05/25/1999 | US5906178 Degree of separation of steam impurities in a steam/water separator |
| 05/18/1999 | US5904857 Removal of dissolved oxygen from alkaline water |
| 05/14/1999 | WO1999023417A1 Deaerated feedwater supply system for a boiler system and method for deaerating boiler feedwater |
| 04/20/1999 | US5896435 Pressurized water supply device for a steam injector water source |
| 03/17/1999 | EP0902232A1 Process for operating a device traversed by a fluid and preparation system for a fluid |
| 03/04/1999 | WO1999010628A1 Steam generator, especially waste heat recovery steam generator and method for operating said generator |
| 03/04/1999 | DE19736885A1 Dampferzeuger, insbesondere Abhitzedampferzeuger und Verfahren zum Betrieb dieses Dampferzeugers Steam generator, in particular waste heat steam generator and method of operation of this steam generator |
| 02/17/1999 | CN1208148A Feed water heating system for power generating plant |
| 02/04/1999 | DE19834196A1 Feed water-heating system for power supply plant |
| 02/03/1999 | EP0894948A1 Combined gas-steam power plant with once-through steam generator |
| 02/03/1999 | CN1206780A Combined type gas-steam electric power factory equipment having forced circulation steam generator |
| 02/02/1999 | US5865603 Multi-compression coil springs for a liquid pump |
| 02/02/1999 | US5865086 Thermo-hydro-dynamic system |
| 01/20/1999 | EP0891490A1 Rankine cycle boiler feed via hydrokinetic amplifier |
| 12/16/1998 | EP0633978B1 Process and device for operating the water-steam circuit of a thermoelectric power station |
| 12/16/1998 | CN2300801Y Steam trap free heat pump type condensed water recovery device |
| 12/02/1998 | EP0881429A2 Improvement of the impurities separating degree in a steam-water separator |
| 12/02/1998 | CN1200450A Improvement in degree of sepn. of steam impurities in steam/water separator |
| 12/02/1998 | CN1200357A 4-alkyl semicarbazides as oxygen scavengers |
| 11/24/1998 | US5840130 Cleaning of the water/steam circuit in a once-through forced-flow steam generator |
| 11/04/1998 | EP0875604A1 Substituted semicarbazides as oxygen scavengers |
| 10/17/1998 | CA2234863A1 4-alkyl semicarbazides oxygen scavengers |
| 09/24/1998 | DE19713486A1 Electric feed water pump for steam turbine power plant |
| 09/09/1998 | CN2290760Y Forced water circulating device of exhaust-heat boiler |
| 08/25/1998 | US5797357 Apparatus for forming protective films in water feed pipes of boiler |
| 08/18/1998 | US5794447 Rankine cycle boiler feed via hydrokinetic amplifier |
| 07/07/1998 | US5776413 Chemical mode of operation of a water/steam cycle |
| 07/02/1998 | WO1998028231A1 FEEDWATER pH CONTROL FOR STEAM GENERATORS |
| 05/26/1998 | US5755560 Pump and combination pump and trap with snap-over mechanism and double-seal outlet valve |
| 05/06/1998 | CN1180810A Recovery of boiler steam condensate water and water supplying system |
| 05/05/1998 | US5747342 Methods and apparatus for monitoring and controlling PH phosphate and sodium to phosphate ratio in boiler systems operating with captive alkalinity |
| 04/16/1998 | WO1998015778A1 Condensate and feedwater course of a steam power plant and steam power plant having the condensate and feedwater course |
| 02/12/1998 | WO1998005853A1 Additive dispensing apparatus |
| 02/12/1998 | CA2261148A1 Additive dispensing apparatus |
| 12/03/1997 | EP0613526B1 Preloaded over-center valve actuating mechanism |