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