| Patents for F16L 53 - Heating or cooling pipes or pipe systems (2,134) |
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| 08/26/2004 | WO2004073354A1 Electric heat tracing |
| 08/26/2004 | DE10313571B3 Heating strip for pipes, which carry liquid components to react and form a plastics material for molding, has bonding side zones and inner structures to define a flow space for the heating medium |
| 08/25/2004 | CN2636054Y Fuel pipe |
| 07/29/2004 | US20040144438 Heated drain line apparatus |
| 06/30/2004 | EP1433994A1 Heating device for blowby gas duct and method of production |
| 06/24/2004 | US20040118590 Conductor system |
| 05/25/2004 | US6739803 Method of installation of electrically heated pipe-in-pipe subsea pipeline |
| 05/05/2004 | CN1148523C Heat insulating device and method for insulating at least a submarine pipeline at great depth |
| 04/27/2004 | US6726831 Corrosion protection of electrically heated pipe-in-pipe subsea pipeline |
| 04/20/2004 | US6723266 Lining of underground pipes |
| 04/07/2004 | CN2610203Y Electric heatnig type pressure rubber pipe |
| 04/06/2004 | US6715667 Method of joining steel tubes with aluminum ribs |
| 03/31/2004 | EP1402601A2 Conductor system |
| 03/30/2004 | US6714018 Method of commissioning and operating an electrically heated pipe-in-pipe subsea pipeline |
| 03/23/2004 | US6710312 Heating jacket assembly with field replaceable thermostat |
| 03/16/2004 | US6707012 Power supply for electrically heated subsea pipeline |
| 03/04/2004 | WO2004018924A1 Heated conduit |
| 02/25/2004 | CN1139739C Device for connecting pipe sections and steam turbine with the same |
| 02/10/2004 | US6688900 Insulating joint for electrically heated pipeline |
| 01/29/2004 | US20040018010 Vehicular and outdoor water-tank valve heating system |
| 01/15/2004 | DE10212413A1 Waschwasserschlauch und Steckverbinder Wash water hose and connectors |
| 01/14/2004 | CN2599364Y Electrothermal petroleum pipeline made of rare-earth composite material |
| 01/08/2004 | WO2004003438A1 Liquid distribution system and method for maintaining its temperature by induction |
| 01/08/2004 | WO2004003420A1 Heating device for a fluid line and method for the production thereof |
| 01/02/2004 | EP1375999A1 Heating device for a blow-by pipe of an internal combustion engine and method of construction |
| 01/02/2004 | EP1375998A1 Heating device for pipes and method of assembling the same |
| 01/02/2004 | EP1375997A1 Heating device for a pipe and method of production |
| 12/25/2003 | US20030235471 Insulating joint for electrically heated pipeline |
| 12/24/2003 | DE20313496U1 Bitumen transport line, has rigid or flexible pipeline pieces with spiral heating cable over entire length for continuous temperature of at least 220 degrees C, thermal insulation, watertight sleeve |
| 11/26/2003 | CN1458439A Method and device for producing alloy plastic self limited heat supply composite pipe |
| 11/13/2003 | US20030209340 Microorganism enhancement with earth loop heat exchange systems |
| 10/30/2003 | WO2003090499A1 Method and apparatus for heating a submarine pipeline |
| 10/30/2003 | CA2482818A1 Method and apparatus for heating a submarine pipeline |
| 10/16/2003 | US20030192875 Heating jacket assembly with field replaceable thermostat |
| 10/09/2003 | US20030190162 System and method for a pre-fabricated heat-traced header |
| 10/08/2003 | CN1447056A Method of preventing solid adhesion |
| 09/26/2003 | CA2386643A1 Vehicular and outdoor water-tank valve heating system |
| 09/25/2003 | DE20309595U1 Water cooled transport pipes are fitted with ceramic strips between the cooling pipes and with support faces proud of the cooling pipes |
| 09/12/2003 | WO2003074926A1 Arrangement for keeping a pipe unfrozen, a method and an apparatus for manufacturing said arrangement |
| 09/10/2003 | CN1441883A Novel thermoplastic or thermoset pipes including conductive textile reinformcements for heating and leak detection purposes |
| 09/10/2003 | CN1120918C Heated offshore pipeline and method of manufacturing |
| 09/09/2003 | US6617556 Method and apparatus for heating a submarine pipeline |
| 08/27/2003 | EP0991891B1 Device for connecting pipe sections |
| 07/23/2003 | EP1329660A2 Heatable flexible multilayer hose |
| 07/22/2003 | US6595241 Prefabricated elements for thermal maintenance of industrial pipe |
| 07/01/2003 | US6585047 System for heat exchange with earth loops |
| 05/01/2003 | US20030079787 Fluid conduit |
| 04/29/2003 | US6556780 Heated flowline umbilical |
| 04/29/2003 | US6554020 Fluid control apparatus |
| 03/27/2003 | WO2002103854A3 Conductor system |
| 03/18/2003 | US6532985 Further enhanced features for backflow prevention device enclosure |
| 03/05/2003 | EP1287280A2 Novel thermoplastic or thermoset pipes including conductive textile reinforcements for heating and leak detection purposes |
| 03/05/2003 | CN1400433A Automatic tomperature controlled heating composite pipe |
| 02/12/2003 | CN1396850A Method of linking steel tubes with aluminium ribs |
| 01/30/2003 | US20030020499 Method for commissioning and operating an electrically heated pipe-in-pipe subsea pipeline |
| 01/30/2003 | US20030019915 Layer of a zinc-aluminum alloy is applied onto surface of the steel tube or the aluminum rib, and then a fluxing agent of cesium-aluminum tetrafluoride is deposited between the steel tube and the rib then heated to solder |
| 01/23/2003 | US20030017007 Method of installation of electrically heated pipe-in-pipe subsea pipeline |
| 01/23/2003 | US20030015519 Power supply for electrically heated subsea pipeline |
| 01/23/2003 | US20030015436 Corrosion protection of electrically heated pipe-in-pipe subsea pipeline |
| 01/21/2003 | US6509557 Apparatus and method for heating single insulated flowlines |
| 01/09/2003 | US20030005959 Fluid control apparatus |
| 01/08/2003 | EP1273839A1 Fluid control apparatus |
| 12/27/2002 | WO2002104074A1 Tubing system and extrusion method |
| 12/27/2002 | WO2002103854A2 Conductor system |
| 12/19/2002 | US20020189695 Prefabricated elements for thermal maintenance of industrial pipe |
| 12/08/2002 | CA2349908A1 Method and apparatus for preventing flow lines from freezing |
| 11/20/2002 | EP1257448A1 System for heating liquid in a conduit system |
| 10/23/2002 | EP1250208A2 Method of linking steel tubes with aluminum ribs |
| 10/17/2002 | WO2001061262A9 Heat exchange systems |
| 09/18/2002 | EP1240467A1 Refrigeration device |
| 09/05/2002 | US20020122664 Heated flowline umbilical |
| 08/16/2002 | CA2337295A1 Method and apparatus for thawing and warming pipelines |
| 08/08/2002 | US20020104651 Systems for heat exchange with earth loops |
| 08/06/2002 | US6427717 Process solution supplying apparatus and fluid passageway opening-closing valve device for process solution supplying apparatus |
| 05/30/2002 | US20020062867 Water control fixture having thermostatically controlled bypass valve |
| 05/23/2002 | DE10055423A1 Liquid heating device for conduit system has pipe section containing electric heating wire provided with separate liquid feed connection and current feed |
| 05/22/2002 | CN1350137A Waste gas pipeline preventing dust from adsorption |
| 05/16/2002 | WO2002038426A1 System for heating liquid in a conduit system |
| 05/15/2002 | EP1204831A1 Production/injection line and methods relating to same |
| 05/10/2002 | WO2002037020A1 Device for preventing pipeline freezing |
| 05/10/2002 | WO2001054840A3 Method of linking steel tubes with aluminum ribs |
| 05/09/2002 | US20020053357 Exhaust gas delivering pipe with cleaning device |
| 04/25/2002 | DE10051111A1 Thermally insulated flexible conduit comprises a thermal insulation layer which surrounds the pipe and additionally embeds at least one elongate member |
| 04/02/2002 | CA2227810C De-icing system |
| 03/14/2002 | WO2001094825A3 Novel thermoplastic or thermoset pipes including conductive textile reinforcements for heating and leak detection purposes |
| 03/07/2002 | US20020028070 Heating system for crude oil transporting metallic tubes |
| 02/27/2002 | EP1181945A1 Medical air hose having internal flow heater |
| 02/12/2002 | US6345644 Device for preventing pipeline freezing |
| 01/23/2002 | CN2473442Y Heat exchanger of oil transport pipeline |
| 01/15/2002 | US6338381 Heat exchange systems |
| 12/13/2001 | WO2001094825A2 Novel thermoplastic or thermoset pipes including conductive textile reinforcements for heating and leak detection purposes |
| 12/13/2001 | CA2411461A1 Novel thermoplastic or thermoset pipes including conductive textile reinforcements for heating and leak detection purposes |
| 12/11/2001 | US6328583 Re-connectable pipeline connection for direct heating system |
| 11/28/2001 | CN2462216Y Preadiabetic tube |
| 11/28/2001 | CN2462019Y Foldable combosite plate with groove for mounting ventilating duct |
| 11/27/2001 | US6321773 Water valve assembly and water draining method |
| 11/21/2001 | CN2460827Y Stainless steel lining compound pipe structure with electrothermal coating layer |
| 11/14/2001 | CN1074822C Method and system for heating pipe bundle |
| 11/13/2001 | US6315497 Joint for applying current across a pipe-in-pipe system |
| 11/06/2001 | US6311720 Cover for protecting piping assemblies with engagement rod |