| Patents for F28G 3 - Rotary appliances (725) |
|---|
| 12/12/1991 | CA2060179A1 Method and apparatus for cleaning the annulus formed by concentric pipes |
| 10/30/1991 | CN2087767U On-line mechanism-cleaning device for cooler |
| 08/27/1991 | US5042573 Cylindrical chamber |
| 06/26/1991 | CN2079730U Hydraulic scale remover for washing tube |
| 05/07/1991 | US5013368 Method and device for cleaning a tube in which a fluid-circulates, and their use in heat-exchanger tubes |
| 02/13/1991 | CN2071325U Rotary liquid cleaner |
| 01/22/1991 | US4986347 Scraper |
| 01/15/1991 | US4984598 System for working on the primary pipework and water box of a nuclear power station steam generator |
| 12/05/1990 | EP0400700A1 Scraped surface heat exchanger |
| 08/29/1990 | EP0384519A2 Apparatus and method for the internal cleaning of a pipe |
| 08/28/1990 | US4951738 Method and apparatus for recovering heat energy from polluted water |
| 08/07/1990 | US4945862 Two dimensional shuttle rotary cleaning device |
| 05/30/1990 | CN1042594A Method of and apparatus for cleaning liquid circling-runing tube and use of same in heat exchanger |
| 05/23/1990 | EP0369851A1 Cleaning device for a tube wherein a fluid is circulating |
| 05/15/1990 | CA1268999A1 Method for removing deposits on boiler tubes |
| 11/29/1989 | EP0343434A1 Seraping device for pipes |
| 10/04/1989 | EP0335039A1 Indexing sootblower |
| 09/05/1989 | CA1259003A1 Sootblower nozzle apparatus |
| 09/05/1989 | CA1259002A1 Soot blower |
| 07/25/1989 | US4850423 Air preheater water jet cleaning apparatus |
| 07/18/1989 | US4848446 Device for maintaining in position one end of an element mounted for rotational motion in a tube, and use thereof |
| 05/09/1989 | CA1253847A1 Tube cleaning apparatus |
| 03/09/1989 | DE3728955A1 Heat exchanger |
| 02/14/1989 | US4803959 Indexing sootblower |
| 11/01/1988 | US4781245 Device for positioning a rotatable element within a tube |
| 09/14/1988 | EP0282406A1 Device for maintaining in position one extremity of a mobile element, rotating in a tube, and use of this device |
| 09/07/1988 | EP0281433A2 Working system for primary pipes and water-chamber in a vapour generator of a nuclear plant |
| 08/30/1988 | US4766952 Waste heat recovery apparatus |
| 08/09/1988 | CA1240222A1 Sootblower apparatus |
| 01/06/1988 | CN85104615B Purifying device for regenerating heat-exchanging unit |
| 11/10/1987 | US4705107 Apparatus and methods for cleaning a well |
| 11/10/1987 | US4705057 Cleaning device for regenerative heat exchangers |
| 10/21/1987 | EP0242097A1 Solid fuel boiler |
| 10/06/1987 | CA1227790A1 Rotating mechanism for the insertion of componants into tubes |
| 08/19/1987 | EP0233092A1 Device for maintaining in position one extremity of a mobile element, rotating in a tube, and application for this device |
| 07/14/1987 | US4679620 Method and apparatus for cleaning plate heat exchangers used for recovering heat from exhaust gases |
| 05/20/1987 | EP0222056A1 Waste heat recovery apparatus |
| 04/29/1987 | EP0219986A1 Apparatus for preventing the formation of deposits on vertical heat exchanger walls |
| 04/28/1987 | US4660627 Heat exchanging with slowly rotating finned elements |
| 02/10/1987 | US4642365 Reacting a pyrocatechol derivative and dihalophosphorous compound |
| 12/10/1986 | CN85104615A Purifying device for regenerating heat-exchanging unit |
| 09/09/1986 | CA1211214A1 Boiler cleaning optimization with fouling rate identification |
| 08/12/1986 | US4605028 Tube cleaning apparatus |
| 07/30/1986 | EP0188556A1 Heat exchanger cleaning |
| 06/17/1986 | US4595047 Device for attaching an element for rotation in a tube |
| 04/22/1986 | CA1203445A1 Soot blower |
| 03/12/1986 | EP0174254A1 Mechanical device to improve the transfer of heat and to prevent clogging of heat exchangers |
| 02/12/1986 | EP0171214A1 Apparatus for removing a deposit from within a tube |
| 02/04/1986 | US4567622 Sootblower nozzle apparatus |
| 01/30/1986 | WO1986000696A1 Heat exchanger cleaning |
| 01/21/1986 | US4565324 Nozzle structure for sootblower |
| 01/07/1986 | CA1199022A1 Apparatus and method for soot cleaning in high- pressure heat exchangers |
| 01/02/1986 | EP0166190A2 Cleaning device for a regenerative heat exchanger |
| 12/24/1985 | US4559997 Shell and tube heat exchanger with tube top end wiper to free solids |
| 10/23/1985 | EP0159128A1 Sootblower nozzle apparatus |
| 10/08/1985 | CA1194742A1 Soot blower |
| 07/30/1985 | US4531250 Water turbine and brush head using the water turbine for cleaning pipes |
| 07/24/1985 | EP0148997A1 Heat exchanger with a multitude of soot blowers |
| 07/10/1985 | EP0148040A1 A fixed rotating device of one element in a tube |
| 06/20/1985 | WO1985002673A1 Soot blower |
| 06/12/1985 | EP0144131A2 An improved sootblower apparatus for use in a boiler and method of operating the same |
| 04/17/1985 | EP0137709A2 Boiler cleaning optimization |
| 03/12/1985 | US4503811 Method and apparatus for removing deposits from highly heated surfaces |
| 02/05/1985 | CA1182106A1 Pulsed liquid jet-type cleaning of highly heated surfaces |
| 01/08/1985 | US4492187 Sootblower apparatus |
| 10/03/1984 | EP0120355A2 Tool for the remote cleaning of the pipe ends of a pipe bundle |
| 09/25/1984 | CA1174918A1 Roller supporting means for long retracting soot blowers |
| 09/18/1984 | CA1174754A1 Soot blower control system |
| 08/21/1984 | US4466383 Boiler cleaning optimization with fouling rate identification |
| 08/07/1984 | CA1172244A1 Method and apparatus for removing deposits from highly heated surfaces |
| 05/15/1984 | CA1167333A1 Rotary wall deslagger |
| 04/18/1984 | EP0105649A1 Water turbine and brush head using the water turbine for cleaning pipes |
| 03/20/1984 | US4437201 Soot blower |
| 12/27/1983 | US4422882 Dislodging deposits from heat exchangers |
| 12/20/1983 | US4421067 Apparatus and method for soot cleaning in high-pressure heat exchangers |
| 11/01/1983 | US4412583 Apparatus and methods for cooling exhaust gas streams containing suspended particles |
| 10/04/1983 | US4407237 Economizer with soot blower |
| 08/04/1983 | WO1983002657A1 Device for handling passages for pipes, spraying head and related spraying method for high pressure purges of heat exchangers |
| 08/03/1983 | EP0084867A1 Tube lane manipulator for the high pressure removal of sludge from heat exchangers |
| 06/14/1983 | US4387481 Soot blower |
| 03/15/1983 | US4376443 Jet water cleaning apparatus |
| 02/01/1983 | CA1140529A1 Decontamination apparatus |
| 01/18/1983 | CA1139622A1 Mechanism for rotating and reciprocating a soot blower |
| 11/30/1982 | US4360945 Roller supporting means for long retracting soot blowers |
| 10/19/1982 | US4354294 Rotary wall deslagger |
| 09/21/1982 | CA1132132A1 Device for scraping off deposits from internal surfaces of elongated tubes |
| 08/31/1982 | US4346674 Economizer with soot blower |
| 08/31/1982 | CA1130782A1 Decontamination method |
| 08/31/1982 | CA1130666A1 Mechanism for rotating and reciprocating a soot blower |
| 08/17/1982 | CA1129738A1 Mechanism for rotating and reciprocating a soot blower |
| 07/27/1982 | CA1128495A1 Gas cooler for cooling hot gases charged with finely granular solid particles |
| 06/08/1982 | CA1125115A1 Lance construction for boiler cleaning apparatus |
| 04/27/1982 | US4326317 Decontamination apparatus |
| 02/16/1982 | US4315541 Device for scraping off deposits from internal surfaces of elongated tubes |
| 09/29/1981 | US4291753 Scraper assembly for use with a fluidized bed condenser |
| 09/09/1981 | EP0035420A2 Device of cleaning panel heat exchangers |
| 07/28/1981 | US4280852 Electrical detection of deposits |
| 04/22/1981 | EP0027388A1 Decontamination method and apparatus |
| 03/24/1981 | US4257359 Mechanism for rotating and reciprocating a soot blower |
| 02/18/1981 | EP0023937A1 Soot blowing system |