| Patents for F17D 1 - Pipe-line systems (8,074) |
|---|
| 07/14/1998 | US5779798 Device for distributing liquid by gravity |
| 07/14/1998 | US5778917 Natural gas compression heating process |
| 07/08/1998 | CN1187182A Method for inhibiting hydrate formation |
| 07/08/1998 | CN1187181A Method for inhibiting hydrate formation |
| 06/17/1998 | CN1185191A Method for inhibiting the plugging of conduits by gas hydrates |
| 06/16/1998 | US5766491 Backflow prevention system for media bed reactor |
| 06/16/1998 | US5765291 Compressed-gas system with a gas drier |
| 06/10/1998 | EP0846995A2 Fluid control apparatus |
| 06/04/1998 | WO1998023843A1 Additives for inhibiting formation of gas hydrates |
| 06/02/1998 | US5758717 System and method for the recovery of waste heat from pipelines |
| 05/28/1998 | DE19725509A1 Use of polymers containing maleic acid anhydride |
| 05/22/1998 | WO1998021489A1 Method for transporting gas under pressure in the presence of a liquid film |
| 05/20/1998 | EP0843124A1 Process for transporting a fluid in a pipe containing a porous structure |
| 05/20/1998 | CN1182181A Gate brick, its masonry method and brick masonry mending method for regenerative chamber of hot-blast stove |
| 05/07/1998 | WO1998001698A3 Pipeline utilization enhancement including carbon dioxide gas transmission, distribution, and delivery technique |
| 05/06/1998 | EP0840057A1 Solvent free oil suluble drag reducing polymer suspension |
| 05/06/1998 | CN1181052A Non-mechanical valve mechanism |
| 04/29/1998 | EP0618995B1 Use of selected inhibitors against the formation of solid organic-based incrustations from fluid hydrocarbon mixtures |
| 04/29/1998 | CN2280205Y 内热式管路加热器 Type heat pipe heater |
| 04/29/1998 | CN1180150A Pentane pipeline liquefied gas device |
| 04/28/1998 | US5744665 Clathrate formation prevention in oil and gas pipelines |
| 04/23/1998 | WO1998016719A1 Method of preventing gas hydrates |
| 04/23/1998 | WO1998016586A1 Nonaqueous drag reducing suspensions |
| 04/23/1998 | DE19642656A1 Verfahren zur Verhinderung von Gashydraten A method of preventing gas hydrates |
| 04/15/1998 | EP0835268A1 Low viscosity, high concentration drag reducing agent and method therefor |
| 04/15/1998 | EP0835175A1 Device and process for impregnating rovings with plastic material |
| 04/15/1998 | CN1179198A Apparatus and method for producing power using excess pressure in nutural gas pipeline |
| 03/31/1998 | US5733953 Slurries containing olefin polymer particles with controlled amounts of polymer solvent(s) and nonsolvent(s), as aid in pumping hydrocarbons or crude oil through pipelines |
| 03/31/1998 | CA2134426C Method of feeding gas into a chamber |
| 03/26/1998 | DE19637630A1 Transport system for hardened mixture of water and solids |
| 03/24/1998 | US5730166 Fluid pressure reduction |
| 03/12/1998 | WO1998010036A1 Process for improving the transportability of a heavy crude oil |
| 03/11/1998 | CN1175614A Pour point reducer for high pour point crude oil |
| 03/04/1998 | EP0826307A1 Fumigation of multiple grain storages |
| 02/25/1998 | EP0824631A1 Method for inhibiting the plugging of conduits by gas hydrates |
| 02/10/1998 | US5717181 Cavitation of crude oil inconduit to crack heavy hydrocarbon waxes (but not other components) and reduce deposits in pipes |
| 01/27/1998 | US5712440 Apparatus and process for explosives mixing and loading |
| 01/21/1998 | EP0819228A1 Device with an actuator valve connected to a main gas line and with a servo valve |
| 01/21/1998 | EP0819092A1 A non-mechanical valve |
| 01/20/1998 | US5710717 Method for predicting and adjusting the distribution of two-phase fluids flowing through a piping network |
| 01/15/1998 | WO1998001698A2 Pipeline utilization enhancement including carbon dioxide gas transmission, distribution, and delivery technique |
| 01/15/1998 | DE19627538A1 Gas main pressure regulator with house input for gas line |
| 01/15/1998 | CA2259267A1 Pipeline utilization enhancement including carbon dioxide gas transmission, distribution, and delivery technique |
| 01/13/1998 | US5708211 Flow regime determination and flow measurement in multiphase flow pipelines |
| 01/07/1998 | EP0816747A2 Natural gas shut off system |
| 01/07/1998 | EP0816577A1 Hydraulic control circuit for working components, in particular in earth-moving machines |
| 01/07/1998 | CN2272098Y Water Jacket furnace with function of oil-gas separation |
| 01/04/1998 | CA2198405A1 Hydraulic control circuit for working components, in particular in earth-moving machines |
| 12/29/1997 | EP0814298A1 Device to supply gas to an apparatus from one of a number of supplies |
| 12/29/1997 | EP0685053B1 Device for fast sectioning |
| 12/17/1997 | EP0812307A1 Method for inhibiting hydrate formation |
| 12/13/1997 | CA2207370A1 Gas burner tool for purging a gas supply pipe |
| 12/10/1997 | EP0607426B1 Process for producing highly viscous petroleum products and pumping them further |
| 12/10/1997 | CN1036677C Automatic heating clamp for petroleum delivery pipeline |
| 12/04/1997 | WO1997045716A1 Flow regime determination and flow measurement in multiphase flow pipelines |
| 12/03/1997 | EP0809619A1 Method for inhibiting hydrate formation |
| 11/26/1997 | CN1036524C Dispersing agent for wax in crude oil and its prodn. |
| 11/20/1997 | WO1997043025A1 System for maintaining multiphase flow with minimal solids degradation |
| 11/12/1997 | CN1164812A Ultra high purity gas distribution component with integral valved coupling and methods for its use |
| 11/12/1997 | CN1164758A Valved coupling for ultra high purity gas distribution systems |
| 11/11/1997 | US5685154 Pressure reducing system and method for using the same |
| 11/05/1997 | CN1163920A Viscosity-reducing paraffin inhibitor for high water-bearing oil well and gathering line and preparing process thereof |
| 10/30/1997 | WO1997040309A1 Method for controlling the viscosity of a fluid in a defined volume |
| 10/30/1997 | DE19616354A1 Pipe section with electrical conductor e.g for diesel fuel line between vehicle heater and fuel metering pump |
| 10/30/1997 | CA2251888A1 Method for controlling the viscosity of a fluid in a defined volume |
| 10/16/1997 | WO1997037767A1 Apportioning system |
| 10/16/1997 | CA2251179A1 Apportioning system |
| 10/14/1997 | US5677500 Pressure reduction system testing |
| 10/14/1997 | US5676762 Wet cleaning gas distribution network, liquid drying with water desorbing liquid drying agent, purging with dry high purity gas, evacuating, exposing to corrosive gas or air |
| 10/07/1997 | US5673562 Bulk delivery of ultra-high purity gases at high flow rates |
| 09/25/1997 | WO1997034937A1 Process for forming polyalphaolefin drag reducing agents and composition containing same |
| 09/17/1997 | EP0795942A1 Gas distribution network with information transmission cable |
| 09/17/1997 | EP0795724A1 Equalizing method for a network of a non compressible fluid |
| 09/12/1997 | WO1997032926A1 Improved slurry drag reducer |
| 09/12/1997 | CA2593008A1 Improved slurry drag reducer |
| 09/10/1997 | CN2262161Y Gasifying concentrate transport device for light hydrocarbon oil |
| 09/09/1997 | US5665221 Electrical apparatus for controlling liquid contaminants |
| 09/09/1997 | US5664759 Valved coupling for ultra high purity gas distribution systems |
| 09/03/1997 | EP0793043A1 Valve driving device |
| 09/03/1997 | EP0792671A1 Bulk delivery of ultra-high purity gases at high flow rates |
| 08/27/1997 | EP0791670A2 Ultra high purity gas distribution component with integral valved coupling and methods for its use |
| 08/27/1997 | CN2260950Y Device for magnetic treatment of fluid in pipeline |
| 08/26/1997 | US5660617 Pressure boosting the gaseous components after separation from liquid and solid components of system |
| 08/20/1997 | CN1157651A Method for inhibiting hydrate formation |
| 08/20/1997 | CN1157650A Method for inhibiting hydrate formation |
| 08/19/1997 | US5657786 Device for controlling the flow of process gas from a source |
| 07/29/1997 | US5652937 Apparatus and method for supplying processing chemicals |
| 07/25/1997 | CA2168001A1 Spray deflector |
| 07/15/1997 | US5647392 Air regulation system for hydropneumatic reservoir |
| 06/24/1997 | US5641433 Preparation of HIPR emulsions |
| 06/19/1997 | DE19600377A1 Compressed gas system |
| 06/18/1997 | CN1152291A Scrapable selective manual connection apparatus |
| 06/11/1997 | EP0777837A1 A method for inhibiting hydrate formation |
| 06/11/1997 | CN1151430A Method of molecular sieve cracking for modifying, coagulation and viscosity reducing for pipeline crude oil transfer |
| 05/28/1997 | CN2254990Y Safety fuel transferring device for range |
| 05/21/1997 | EP0774096A1 A method for inhibiting hydrate formation |
| 05/13/1997 | US5628191 Natural gas expansion plant |
| 05/07/1997 | CN2253795Y Pneumatic fluid continuous conveying tank |
| 05/07/1997 | CN1149116A Pipe conveying system for gasified synthetic fuels at normal atmospheric temperature |
| 05/02/1997 | EP0770036A1 Scrapable selective manual connection apparatus |