Patents for F16L 53 - Heating or cooling pipes or pipe systems (2,134)
03/1997
03/26/1997EP0764810A1 Insulation and/or heating and/or colling system with prefabricated elements separated from the pipes and components of the plants through which process fluids are flowing
02/1997
02/20/1997WO1997003540A3 Flexible insulated heater
01/1997
01/30/1997WO1997003540A2 Flexible insulated heater
01/08/1997EP0350485B1 A heating and insulation arrangement for a network of installed pipes and method
12/1996
12/04/1996EP0745313A1 Flexible electrically heatable hose
11/1996
11/06/1996CN2239556Y Multifunctional clad pipe
09/1996
09/24/1996US5559924 Radiant fluid heater encased by inner transparent wall and radiation absorbing/reflecting outer wall for fluid flow there between
09/19/1996WO1996028684A1 Pipe coating
09/17/1996US5555928 Liquid cooled cooling device
09/11/1996CN1130726A Line structure for preheating hydraulic circulation
08/1996
08/28/1996CN2234033Y Thermal-insulated pipe with expansion-limiting ring
08/06/1996US5544275 Electrically heated fluid carrying conduit having integrated heating elements and electrical conductors
07/1996
07/23/1996US5537996 Heated respiratory humidifier conduit
07/02/1996CA2055026C Electrical heating system for subsea flexible pipelines
06/1996
06/25/1996US5529605 Method and apparatus for removing mercury from contaminated pipes and installation parts, in particular mercury introduced by natural gas
05/1996
05/09/1996DE4439454A1 System for preheating of hydraulic circuits
05/01/1996EP0709565A1 Aerating or venting hose for parts of a vehicle engine
04/1996
04/18/1996WO1996011356A1 Hot melt flexible hose with replaceable core
04/16/1996CA2064196C Flexible tubular pipe incorporating heating means
03/1996
03/12/1996CA2161619A1 Arrangement for preheating hydraulic circuits
09/1995
09/20/1995EP0672430A2 A humidifier conduit
07/1995
07/05/1995CN1104740A Solar energy pipe collector
06/1995
06/27/1995US5428706 Flexible tubular conduit with heating means and stiffening means for transporting pressurized fluids
05/1995
05/09/1995US5413135 Apparatus for serving comestibles and method of erecting same
02/1995
02/28/1995US5394507 Heated tube with a braided electric heater
01/1995
01/10/1995US5381511 Polyether ketone polymer wrapped with polytetrafluoroethylene tape
12/1994
12/08/1994WO1994028694A1 Flexible electrically heatable hose
12/08/1994CA2147625A1 Flexible electrically heatable hose
11/1994
11/29/1994US5368063 Heating system for conveyor pipes
11/23/1994EP0625669A1 Device for heating pipe surfaces
11/19/1994CA2121437A1 Device for heating pipe surfaces
11/08/1994CA2004221C Apparatus for heating pipe
10/1994
10/25/1994CA2049907C Process of electric pipeline heating
10/05/1994EP0483337B1 Flexible tubular pipe incorporating heating means
09/1994
09/21/1994EP0616166A1 Heated fluid line
09/07/1994CN1091822A Heating system for conveyor pipes
08/1994
08/24/1994EP0611913A2 Heating system for conveyor pipes
08/18/1994CA2114391A1 Heating system for conveyor pipes
07/1994
07/19/1994US5329972 Fire resistant plastic structure
07/12/1994CA2053440C Retarding heat tracing system and method of making same
05/1994
05/25/1994CN2166291Y Electronic insulation tube
03/1994
03/15/1994US5294780 Heating and insulation arrangement for a network of installed pipes and method
02/1994
02/22/1994US5289561 Subsea pipeline system with electrically heated flexible pipeline
01/1994
01/19/1994EP0441814B1 Method for heating a transport pipeline, as well as transport pipeline with heating
01/11/1994US5277941 System to insulate and retain cold temperature
11/1993
11/24/1993EP0570586A1 Fluid heater
10/1993
10/28/1993DE4213696A1 Barrier for cracking heavy hydrocarbon(s) - having heated surface for cracking and a labyrinth to increase dwell time and prevent e.g. oil passage through vacuum pumping line or particle accelerator beam guide
10/26/1993US5256844 Arrangement in a pipeline transportation system
10/06/1993EP0563554A1 Method and installation for elimination of mercury from contaminated pipes and parts of installation, especially of mercury which comes from natural gas
09/1993
09/23/1993DE4208501A1 Lead in for heatable line conducting hot gases - has mounting tube integrated fixed in wall being penetrated and tubular sleeve positioned detachable in mounting tube and line section in which tube is arranged
09/14/1993US5245161 Electric heater
08/1993
08/31/1993US5241147 Method for heating a transport pipeline, as well as transport pipeline with heating
08/25/1993EP0556561A1 Heated respiratory hose
06/1993
06/09/1993CN2135713Y Seissors type pipe heater for liquid fuel
05/1993
05/26/1993EP0543075A1 Electrical heating element for a soot filter
05/25/1993US5214266 Electric heating rod attachment insertable into roof exhaust end of sewer vent pipe to prevent clogging from ice or snow accumulation
04/1993
04/28/1993EP0538471A1 Liquid cooled cooling device
02/1993
02/03/1993EP0525757A1 Silencer with water cooling jacket
01/1993
01/26/1993US5182792 Process of electric pipeline heating utilizing heating elements inserted in pipelines
12/1992
12/10/1992DE4135082C1 Heatable hose for flowing medium connectable to installation or machine - has electrical element surrounding inner conveying core and sleeve for connector to prevent heat loss
08/1992
08/09/1992WO1992014102A1 Fluid heater
08/09/1992CA2101439A1 Fluid heater
06/1992
06/30/1992US5125847 Coupling device for pipeline heating system
06/30/1992CA1304438C Conductive polymeric conduit heater
06/11/1992DE4039215A1 Heatable tubing for medical use and mfr. - comprises elastic body with spirally wound heating element bonded to it by curable elastic material
05/1992
05/13/1992EP0485220A1 Electrical heating system for subsea flexible pipelines
05/06/1992EP0483681A1 Retarding heat tracing system and method of making same
04/1992
04/08/1992EP0479519A1 Coupling device for pipeline heating system
03/1992
03/04/1992EP0473369A1 Process of and apparatus for electric pipeline heating
02/1992
02/11/1992US5086836 Retarding heat tracing system and method of making same
01/1992
01/23/1992WO1992001198A1 Liquid cooled cooling device
12/1991
12/17/1991US5073108 Apparatus for heating pipe
11/1991
11/18/1991WO1991018231A1 Flexible tubular pipe incorporating heating means
10/1991
10/22/1991US5058627 Freeze protection system for water pipes
08/1991
08/21/1991EP0441814A1 Method for heating a transport pipeline, as well as transport pipeline with heating.
08/14/1991EP0350485A4 A heating and insulation arrangement for a network of installed pipes and method
07/1991
07/25/1991DE4042056A1 Pipe arrangement with thermally=insulated pipe core - has core wrapped in helical electrical-heating wire or strip covered by thermally and electrically insulating layer
07/23/1991CA1286614C Heating and insulation arrangement for a network of installed pipes andmethod
06/1991
06/04/1991US5020319 Hollow heat-resisting body assembly for internal combustion engine
05/1991
05/21/1991US5017760 Plastic pipe heater
05/07/1991US5012860 Actively cooled heat protective shield
04/1991
04/23/1991US5009246 System to avoid icing in the discharge piping of a pressure relief valve
03/1991
03/13/1991EP0415977A1 Method of forming an electrically heated multi-section pipe for oil or gas
01/1991
01/15/1991CA1279023C Heatable plastic hose
11/1990
11/26/1990WO1990010817A1 Electric current heater for pipes
11/26/1990CA2062738A1 Electric current heater for pipes
11/20/1990CA1276661C Heat-insulated coupler for heatable flexible tubes
10/1990
10/30/1990US4966184 System to avoid icing in the discharge piping of a pressure relief valve
09/1990
09/11/1990CA1273916A1 Removing heat from, or supplying heat to, a vertical pipe
08/1990
08/01/1990EP0379635A1 Thermally insulated connection or distribution piece for heatable hoses
07/1990
07/26/1990CA2008633A1 Heat insulated connecting member for heatable hoses
05/1990
05/17/1990WO1990005266A1 Method for heating a transport pipeline, as well as transport pipeline with heating
05/03/1990WO1990004910A1 Microwave pipe warmer
04/1990
04/25/1990CA2001520A1 Microwave pipe warmer
04/19/1990DE3834898A1 Method and device for heating a container or pipelines, pumps
02/1990
02/28/1990EP0355662A2 Actively cooled shield for heat protection
02/22/1990WO1990001658A1 Heater mounting arrangement
01/1990
01/23/1990CA1264793A1 Electrically heated pipe assembly
01/17/1990EP0350485A1 A heating and insulation arrangement for a network of installed pipes and method.
12/1989
12/20/1989EP0347124A1 Apparatus and method for maintaining a minimum temperature for liquids in pipes
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