| Patents for F28G 1 - Non-rotary, e.g. reciprocated, appliances (1,988) |
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| 01/05/1993 | US5176199 Method for measuring the cleaning effectiveness of cleaning bodies on heat exchangers |
| 12/22/1992 | US5172757 Method for removing soot by scattering steel balls in a heat-exchanger and heat-exchanger provided with a steel ball scatterer |
| 12/15/1992 | US5170524 Tube cleaning apparatus |
| 12/09/1992 | EP0516989A1 Tube cleaning tool for removal of hard deposits and method of using same |
| 12/08/1992 | CA1311166C Flexible lance and drive system |
| 12/01/1992 | CA1310799C Tube cleaning apparatus |
| 11/25/1992 | WO1992020987A1 Heat exchange apparatus having means for bacterial removal |
| 11/10/1992 | CA1309906C Steam generator sludge removal apparatus |
| 11/03/1992 | US5160548 Method for cleaning tube bundles using a slurry |
| 10/13/1992 | US5154198 Tube jetting apparatus |
| 10/13/1992 | US5153963 Tube cleaning tool for removal of hard deposits |
| 10/06/1992 | CA1308497C System for decontaminating the primary pipings and the water box of a nuclear plant steam generator |
| 09/30/1992 | EP0506568A1 Photobioreactor with a device for the automatic and continuous cleaning of the pipeline in the solar receptor of the photobioreactor |
| 09/22/1992 | US5148857 Method for removing soot by scattering steel balls in a heat-exchanger and heat-exchanger provided with a steel ball scatterer |
| 09/16/1992 | CN1064560A In bundle foreign object search and retrieval apparatus |
| 09/02/1992 | EP0501648A2 In bundle foreign object search and retrieval apparatus |
| 09/02/1992 | EP0500834A1 Washing device for cross-flow plate heat exchangers |
| 08/18/1992 | US5139650 Method and installation for steam cracking hydrocarbons |
| 08/11/1992 | US5137081 Method for cleaning the walls of heat exchangers, and heat exchanger with means for said cleaning |
| 07/24/1992 | CA2057565A1 Electro-hammer rapper |
| 07/14/1992 | US5129455 Multi-lance tube cleaning system having flexible portions |
| 07/01/1992 | EP0492031A1 A heat recuperation device for sanitary installations |
| 06/24/1992 | CN2108263U Apparatus for cleaning heat-exchanger |
| 06/17/1992 | EP0489862A1 Chemical vapor deposition system cleaner. |
| 06/17/1992 | EP0305483B1 Flexible lance for steam generator secondary side sludge removal |
| 06/10/1992 | EP0489358A1 Process and apparatus for cleaning hollow water-cooled drums |
| 06/04/1992 | DE4038481A1 Procedure for cleaning hollow water-cooled shafts - uses high pressure water jet and suction nozzles to remove deposits from rotating shaft |
| 06/03/1992 | CN2106346U Flue dirt remover for boiler |
| 06/02/1992 | CA1302024C Method and apparatus for cleaning conduits |
| 05/27/1992 | EP0487488A2 Method, cleaning agent, cleaning bodies and use of a cleaning agent for the cleaning of workpieces |
| 05/21/1992 | DE4029475A1 Device for distributing cleaning bodies - feeds bodies in cooling water current upstream of heat exchanger |
| 05/21/1992 | DE4029438A1 Mechanical cleaning device for cooling water fed to heat exchanger - also cleans cooling tubes of exchanger by using elastic cleaning bodies |
| 05/21/1992 | DE4029437A1 Sieve device - separates cleaning bodies downstream from heat exchanger in cooling water current |
| 05/19/1992 | US5113895 Three way valve and distribution pipe comprising same, both adapted to be cleaned by scraping |
| 04/23/1992 | DE4033321A1 Heat exchanger for motor vehicle - has housing with cover for opening for cleaning device |
| 04/14/1992 | US5103524 Apparatus for cleaning the inner surfaces of tubes in operating multi-tube heat transfer devices |
| 04/08/1992 | EP0479344A2 Working system for internal walls of the water-chamber in a vapour generator of a nuclear plant |
| 03/19/1992 | WO1992004589A1 Washing device for cross-flow plate heat exchangers |
| 03/18/1992 | EP0475337A1 Method of measuring the cleaning efficiency of cleaning bodies in heat exchangers |
| 03/11/1992 | EP0422005A4 Tube cleaning apparatus |
| 03/11/1992 | EP0409955A4 Apparatus for cleaning the inner surfaces of tubes in operating multi-tube heat transfer devices |
| 03/10/1992 | CA1296971C Fluid and/or fluid flow changeous device equipped with an axial displacement conical casing |
| 03/04/1992 | EP0473234A1 Cleaning lance device for cleaning pipe bundles of heat exchangers |
| 03/04/1992 | EP0473221A1 Process and device for the linear positioning of a high pressure lance in a steam generator |
| 02/18/1992 | CA1295897C Flexible lance for steam generator secondary side sludge removal |
| 02/11/1992 | US5086833 Cleaning system for cleaning fluid-conducting tubing |
| 01/15/1992 | CN2093363U Jet bullet for removing dirt in heat exchanger tubing bundle |
| 01/07/1992 | US5079459 Electro-hammer rapper |
| 01/01/1992 | CN2092080U Apparatus for removing ash and coked things using low-frequency sound wave |
| 12/17/1991 | US5072788 Catalytic converter tube locator and cleaner |
| 11/28/1991 | WO1991017843A1 Tube cleaner |
| 11/28/1991 | DE4017052A1 Heat exchanger for road vehicle - has at least one guide for introduction of cleaning sprayer |
| 11/27/1991 | EP0458263A1 Method for removing soot by scattering steel balls in a heat-exchanger |
| 11/27/1991 | CN1014929B Controllable method and apparatus for rapping dirt on heat exchanging surface |
| 11/26/1991 | US5067558 Multi-lance tube cleaning system |
| 11/21/1991 | EP0457238A1 Apparatus for collecting cleaning bodies for tubular heat exchanger |
| 11/12/1991 | US5063632 Sootblower with condensate separator |
| 10/23/1991 | EP0453043A1 Method for cleaning the walls of heat exchangers and heat exchanger with means for said cleaning |
| 10/19/1991 | CA2040450A1 Method for cleaning the walls of heat exchangers, and heat exchanger with means for said cleaning |
| 09/25/1991 | EP0447527A1 Hydrocarbon vapocracking installation with recycling of erosive solid particles. |
| 09/24/1991 | CA1289587C Apparatus for sealing retractable soot-blower lances |
| 09/17/1991 | US5048636 Low noise wallbox for sootblower |
| 09/11/1991 | EP0446187A1 Device for cleaning the condenser of an apparatus or of a cooling or conditioning installation |
| 08/21/1991 | CN1053949A Low noise wallbox for sootblower |
| 08/20/1991 | US5040262 Soot-removal blower |
| 08/14/1991 | EP0441028A2 Low noise wallbox for sootblower |
| 08/08/1991 | CA2027759A1 Low noise wallbox for sootblower |
| 08/07/1991 | EP0440465A1 Method and apparatus for removing foreign matter from heat exchanger tubesheets |
| 08/06/1991 | US5036871 Flexible lance and drive system |
| 08/02/1991 | CA2035421A1 Method and apparatus for removing foreign matter from heat exchanger tubesheets |
| 07/16/1991 | US5031691 Multi-lance tube cleaning system having sliding plate |
| 07/10/1991 | CN1052935A Method of cleaning tube preheater in boiler |
| 07/09/1991 | US5030291 Method for cleaning concentric columns |
| 06/19/1991 | EP0432889A2 Sludge lance |
| 06/12/1991 | CN1012840B Method for cleaning inner surface of heat transfering tube of heat exchanger |
| 06/11/1991 | US5022463 Multi-hose flexible lance tube cleaning system |
| 06/05/1991 | EP0430306A1 Mobile articulatable tube bundle cleaner |
| 05/29/1991 | EP0428699A1 Process and apparatus for vapour-phase cracking of hydrocarbons |
| 05/28/1991 | US5018544 Apparatus for cleaning heat exchanger tube bundles |
| 05/23/1991 | DE3938566A1 Recovery of cleaning balls from coolant flow after heat exchanger - saves power with main flow produced vortex to lift balls and convey them to suction openings |
| 05/08/1991 | EP0425633A1 Process for steam-cracking hydrocarbons. |
| 05/07/1991 | US5013368 Method and device for cleaning a tube in which a fluid-circulates, and their use in heat-exchanger tubes |
| 04/30/1991 | US5010950 Ball strainer for circulating ball cleaning system |
| 04/18/1991 | WO1991005031A1 Hydrocarbon vapocracking installation with recycling of erosive solid particles |
| 04/17/1991 | EP0422005A1 Tube cleaning apparatus |
| 04/03/1991 | EP0419643A1 Process and apparatus for decoking a steam-craking installation. |
| 03/26/1991 | US5002120 Multi-lance tube cleaning system |
| 03/20/1991 | EP0417332A1 Cleaning system for fluidconducting tubing |
| 03/01/1991 | WO1991003328A1 Chemical vapor deposition system cleaner |
| 03/01/1991 | CA2065329A1 Chemical vapor deposition system cleaner |
| 01/30/1991 | EP0410867A1 Process for cleaning hot surfaces of ovens as well as installation and granules for carrying it out |
| 01/30/1991 | EP0409955A1 Apparatus for cleaning the inner surfaces of tubes in operating multi-tube heat transfer devices |
| 01/29/1991 | CA1279638C Process for cleaning tube type heat exchangers |
| 01/15/1991 | US4984629 Ball collector and filling apparatus for circulating ball cleaning system |
| 01/15/1991 | US4984598 System for working on the primary pipework and water box of a nuclear power station steam generator |
| 12/25/1990 | US4980120 Articulated sludge lance |
| 12/13/1990 | WO1990015118A1 Process and apparatus for vapour-phase cracking of hydrocarbons |
| 12/04/1990 | US4974662 Devices for removing worn balls from cleaning installations for tube bundles |
| 11/27/1990 | US4972805 Method and apparatus for removing foreign matter from heat exchanger tubesheets |
| 11/20/1990 | CA1276625C Controlling rapping cycle |