Patents
Patents for F28G 13 - Appliances or processes not covered by groups; Combinations of appliances or processes covered by groups (505)
08/1995
08/15/1995US5441171 Air cannon for removing cakes of flowable material and clearing clogged areas of flowable material
08/10/1995WO1995021365A1 Chiller unit
08/01/1995CA2113918C A method of removing deposits from the walls of a gas cooler inlet duct, and a gas cooler inlet duct having a cooled elastic metal structure
03/1995
03/14/1995CA1334772C Continuous on-stream monitoring of cooling tower water
12/1994
12/22/1994WO1994029662A1 Method and apparatus for removing deposits from the walls of process equipment
12/06/1994CA1333319C Cleaning apparatus and process
08/1994
08/24/1994EP0611588A1 Method for heating a sugar solution
06/1994
06/22/1994CN2169838Y Cold exchanger corrosion resistance
06/01/1994DE4308066C1 Cleaning ammonia evaporator - by thermal decomposition of ammonium-contg. deposits
05/1994
05/11/1994EP0596376A1 Air gun for removing bulk material adhering and accumulating
05/11/1994EP0595867A1 A method of removing deposits from the walls of a gas cooler inlet duct, and a gas cooler inlet duct having a cooled elastic metal structure
11/1993
11/03/1993CN1022644C Stopped pipe type fluidizing washing and strengthening heat transfer device
10/1993
10/14/1993DE4211903A1 Efficient heat exchanger device - has good heat transfer effected by eddy which in counterflow procedure ensures heat transfer by plastics material
07/1993
07/22/1993WO1993014364A1 Method and apparatus for removing a deposit from the inlet duct wall of a gas cooler
07/13/1993US5226285 Self-cleaning heat exchanger fan assembly and controls
04/1993
04/06/1993CA1315772C Heat pipe heat exchanger
03/1993
03/24/1993CN1070260A Method and apparatus for introducing hot process or flue gases into gas coder
02/1993
02/04/1993WO1993002331A1 A method of removing deposits from the walls of a gas cooler inlet duct, and a gas cooler inlet duct having a cooled elastic metal structure
01/1993
01/19/1993CA1312797C Method for cleaning steam-generator heating-surfaces
10/1992
10/28/1992CN1018856B Moveable-piperow dust blower
10/15/1992WO1992017735A1 Method and apparatus for removing deposit from recovery boilers
06/1992
06/23/1992US5123806 Oil cooler tube bundle positioning device
06/23/1992CA1304075C Heat exchanger
05/1992
05/19/1992US5113802 Method and apparatus for removing deposit from recovery boilers
04/1992
04/11/1992CA2053039A1 Oil cooler tube bundle positioning device
01/1992
01/21/1992US5082502 Gas explosion to produce shockwave
09/1991
09/25/1991EP0357609B1 A heat exchanger
08/1991
08/06/1991US5037955 Method for heating a viscous polyethylene solution
04/1991
04/24/1991CN1050929A Stopped pipe type fluidizing washing and strengthening heat transfer device
04/16/1991US5007970 Cooling surface below softening point of deposits to harden for mechanical removal
02/1991
02/12/1991US4992380 By measuring characteristics of tracer introduced with treating agent for reducing corrosion and scaling
10/1990
10/02/1990US4960167 Heat exchanger
08/1990
08/22/1990EP0224490B1 Device and process for cleaning a recirculation-type regenerative heat exchanger
06/1990
06/12/1990CA1270244A1 Self-cleaning rotary heat exchanger
05/1990
05/02/1990EP0365815A1 Continuous on-stream monitoring of cooling tower water
05/01/1990US4920994 Laser removal of sludge from steam generators
03/1990
03/14/1990EP0357609A1 A heat exchanger.
02/1990
02/13/1990CA1265784A1 Method and apparatus for recovering heat from gases containing substances which contaminate heat transfer surfaces
01/1990
01/16/1990US4893588 Adaptive control technique for steam generator cleaning
12/1989
12/20/1989EP0346803A1 Method and device for removing soot and condensable components from diesel exhaust gases
11/1989
11/28/1989CA1263375A1 Apparatus and method for cleaning rotating regenerative heat exchangers
10/1989
10/25/1989EP0338928A1 Heat pipe heat exchanger
10/24/1989US4875522 Heat pipe heat exchanger
08/1989
08/23/1989CN1034988A Moveable-piperow dust blower
07/1989
07/18/1989US4849025 Decoking hydrocarbon reactors by wet oxidation
07/11/1989US4846894 Air recuperator cleaner
05/1989
05/02/1989US4826582 Surface treatment process and device for heat exchangers
03/1989
03/28/1989US4815523 Device and process for cleaning a recirculation-type regenerative heat exchanger
09/1988
09/28/1988EP0181928B1 Air recuperator cleaner
09/20/1988CA1242186A1 Air recuperator cleaner
09/07/1988WO1988006706A1 A heat exchanger
10/1987
10/21/1987EP0242063A2 Heat exchanger
09/1987
09/09/1987EP0235934A2 Self-cleaning rotary heat exchanger
08/1987
08/04/1987US4684616 Methods for the removal and/or prevention of build-up of slag and composition for use in said methods
06/1987
06/10/1987EP0224490A1 Device and process for cleaning a recirculation-type regenerative heat exchanger.
03/1987
03/04/1987CN85106085A Apparatus for fixing fluid nozzle with several sensors
02/1987
02/03/1987US4640344 Self-cleaning, rotary heat exchanger
12/1986
12/30/1986CA1215967A1 Cleaning of heat exchangers
11/1986
11/06/1986WO1986006464A1 Device and process for cleaning a recirculation-type regenerative heat exchanger
10/1986
10/08/1986EP0197023A2 Process and device for cleaning gas-gas heat exchangers
09/1986
09/03/1986EP0193377A1 Methods for the removal and/or prevention of build-up of slag and composition for use in said methods
09/03/1986EP0126737B1 Method for cleaning heat exchangers for exhaust gas from engines
06/1986
06/10/1986US4593748 Process for the cleaning of heat exchangers for exhaust gases from engines
03/1986
03/25/1986US4577680 Air recuperator cleaner
03/25/1986US4577677 Method for cleaning heat exchangers
03/19/1986EP0174554A1 Heat exchanger for the transfer of heat from waste water
02/1986
02/11/1986US4569388 Apparatus for the treatment of a contaminated gas of elevated temperature
02/04/1986US4568013 Apparatus for supporting and moving tools for fixing a cluster of tubes to a tubular plate of a steam generator
12/1985
12/05/1985WO1985005441A1 Air recuperator cleaner
11/1985
11/27/1985EP0162579A1 Ocean thermal energy conversion power plant
06/1985
06/25/1985US4524725 Self-cleaning heat exchanger
05/1985
05/21/1985US4518569 Uranium dioxide-fission products, fluorine, uranium hexafluoride protective coating, shattering
03/1985
03/19/1985US4505758 Intermittent electrical heating of tubes while apparatus is in operation
12/1984
12/05/1984EP0126737A1 Method for cleaning heat exchangers for exhaust gas from engines.
06/1984
06/07/1984WO1984002181A1 Method for cleaning heat exchangers for exhaust gas from engines
02/1984
02/07/1984CA1161833A1 Biofilm removal
06/1983
06/22/1983EP0082069A1 Supporting and displacement device for tools to affix a bundle of tubes to a tubular plate of a steam generator
06/22/1983EP0081722A1 Process and apparatus for cleaning air coolers from the outside
04/1983
04/13/1983EP0076391A2 Device for heat production
02/1983
02/08/1983US4372787 Method for ultrasonic cleaning of radiators
11/1982
11/09/1982US4358242 Core extraction and insertion apparatus
10/1982
10/19/1982CA1133890A1 Heat reclaiming system
08/1982
08/31/1982US4346759 Heat reclaiming system
04/1982
04/01/1982WO1982000959A1 A method and an apparatus for the treatment of a contaminated gas of elevated temperature
03/1982
03/24/1982EP0048233A2 A method and an apparatus for the treatment of a contaminated gas of elevated temperature
12/1981
12/08/1981CA1113692A1 Cleaning method for the internal walls of a chemical reactor
12/01/1981CA1113447A1 Method and apparatus for cleaning tubes in heat exchangers
10/1981
10/13/1981USRE30766 Modular heat exchanger with pivotal cores
10/06/1981CA1110160A1 Splash bar fill assembly for cooling tower
09/1981
09/16/1981EP0035617A2 A heat exchanger and a heat reclaiming system including such a heat exchanger
03/1981
03/24/1981US4257819 In a boiler, by pressurization of liquid, heating liquid, and causing to boil by reduction in pressure
03/03/1981CA1096854A1 Heat exchanger device
12/1980
12/09/1980US4238244 Method of removing deposits from surfaces with a gas agitated cleaning liquid
09/1980
09/03/1980EP0015087A1 Method for removing solid coronene deposits from the surface of a heat exchange zone in a reforming process
05/1980
05/20/1980US4203825 Formed during catalytic reforming process, condensing effluents
11/1979
11/27/1979US4175614 Heat exchanger device
05/1979
05/29/1979CA1055479A1 Descaling of heat exchanger
03/1979
03/13/1979US4143702 Reverse flow heat exchangers
01/1979
01/09/1979US4133851 Cooling tower splash bar fill assembly and method
07/1978
07/25/1978US4102393 Heat exchange apparatus
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