Patents for F17D 1 - Pipe-line systems (8,074)
05/1996
05/09/1996CA2162324A1 Process to prevent development of a solid phase from hydrocarbons in a fluid
05/07/1996US5513966 Misalignment compensating manifold for twin pumps
05/01/1996CN2226191Y Pressure-reducing deceleration energy-saver for pipeline gas
05/01/1996CN1031732C Magnetic treating device for reducing graphitizing of hot-oil transferring pipe-line and valve oil coke
04/1996
04/24/1996EP0708209A1 Set of tube-shaped armatures for water supply-, sanitary-, heating-, gastechnique etc
04/09/1996US5505496 Automatic pipeline switching device
04/03/1996CN1119887A Air regulation system for hydropneumatic reservoir
04/02/1996US5504132 Solvent free oil soluble drag reducing polymer suspension
04/02/1996US5504131 Bulk polymerization of olefins producing fine, non-crystalline, high molecular weight polymers; inserting into pipelines transporting crude oil, diesel fuels
03/1996
03/27/1996EP0603217B1 Arrangement for collecting liquid from several sources in a collecting recipient
03/27/1996CN2223410Y Heating equipment for crude oil
03/27/1996CN1119264A Solar heat collecting plate and making method thereof
03/27/1996CN1119254A Automatic heating clamp for petroleum delivery pipeline
03/27/1996CN1031424C Process for pumping a multi-phase gas-liquid mixture by means of the use of a pump
03/21/1996WO1996008673A1 A method for inhibiting hydrate formation
03/21/1996WO1996008672A1 A method for inhibiting hydrate formation
03/20/1996CN1118713A Stable emulsion of viscous crude hydrocarbon in aqueous buffer solution and method for forming and transportion same
03/13/1996EP0701089A1 Fluid pressure reduction
03/13/1996EP0701088A1 Pressure reduction system testing
03/07/1996DE4430999A1 Tubular fluid supply system
03/06/1996EP0699953A1 Device for distributing liquid by gravity and a photographic coating device
03/06/1996EP0699858A1 Device for supply of gas in a building
02/1996
02/13/1996US5491269 Method for inhibiting hydrate formation
02/13/1996US5490611 Process for precise volumetrio diluting/mixing of chemicals
02/08/1996DE4436099C1 Gas installation in building
02/06/1996US5488967 Method and apparatus for feeding gas into a chamber
01/1996
01/25/1996WO1996001785A1 Scrapable selective manual connection apparatus
01/18/1996WO1996001392A1 Main gas pipeline
01/02/1996US5481260 Monitor for fluid dispensing system
01/02/1996US5479957 Sludge pipeline lubrication system
12/1995
12/27/1995CN1114025A Collecting and transporting method for oil and gas mixture
12/26/1995US5479358 Urban energy system for controlling an energy plant supplying energy to a community
12/26/1995US5478504 Method and apparatus for eliminating severe slug in multi-phase flow subsea lines
12/13/1995EP0686804A1 Pipe arrangement for low temperature fluid
12/13/1995CN2215058Y Internal heating oil delivery rubber pipe
12/06/1995EP0685053A1 Device for fast sectioning
12/06/1995EP0633863B1 Device for conveying thick substances containing a great deal of solid material
11/1995
11/29/1995CN2213910Y Device for transporting liquid fuel
11/21/1995US5467603 High-pressure gas supply installation
11/08/1995CN1111335A Process for moving highly viscous petroleum products
11/02/1995EP0679432A2 Backflow prevention system for media bed reactor
11/01/1995CN1111059A Drag reducers for flowing hydrocarbons
10/1995
10/30/1995CA2144028A1 Backflow prevention system for media bed reactor
10/25/1995CN1110876A Solvent-free oil soluble drag reducing polymer suspension
10/25/1995CN1110779A User treatment device of compressed air
10/18/1995CN2210317Y Automatic crude oil heating furnace
10/10/1995CA2036921C Temporary selective connection installation with multiple fluid inlets and outlets
10/05/1995WO1995026523A1 Monitor for fluid dispensing system
10/04/1995CN1109574A Process for recovering and moving highly viscous petroleum products
09/1995
09/20/1995EP0672860A1 Stable emulsion of viscous crude hydrocarbon in aqueous buffer solution and method for forming and transporting same
09/19/1995CA1337018C Process for the transport of an hydrate-forming fluid
09/19/1995CA1337017C Process to retard the formation of hydrates, or to reduce their agglomeration characteristics
09/13/1995EP0671458A2 Process for moving highly viscous petroleum products
09/13/1995EP0670957A1 Natural gas expansion plant.
09/12/1995US5449732 High molecular weight polyolefin; non-hazardous, transportable; handling; pipes
08/1995
08/30/1995EP0669287A1 Method and apparatus for supplying gaseous raw material
08/29/1995US5445179 Process for recovering and causing highly viscous petroleum products to flow
08/24/1995DE4405737A1 Transfer station for supply of domestic water, electricity, gas or heating
08/22/1995US5442934 Chilled gas transmission system and method
08/01/1995US5437299 Multiphase fluid flow splitting and measurement
08/01/1995US5437180 Detection of natural gas within a customer's domain
07/1995
07/19/1995CN1105437A Gasifying stove used in liquid fuel pipeline network system
07/18/1995US5433921 Process for supplying gas to a utilization station at a utilization site
07/18/1995CA2094185C Pumping of liquified gas
07/11/1995US5432265 Process for the continuous removal of products from high pressure systems
07/05/1995EP0467914B1 Method for producing a heatable and refrigerable element for a system handling small quantities of liquid, and an element manufactured by the method
07/05/1995CN1104740A Solar energy pipe collector
07/05/1995CN1104739A Non-push compensator of pipelines
06/1995
06/28/1995CN1104234A Condensation reducing agent
06/27/1995US5427143 Gas flow and pressure regulation and control station
06/21/1995EP0658616A1 Process for recovering and moving highly viscous petroleum products
06/20/1995US5425230 Gas distribution station with power plant
06/07/1995EP0656018A1 Solvent-free oil soluble drag reducing polymer suspension
06/07/1995EP0656017A1 Drag reducers for flowing hydrocarbons
06/01/1995DE3690098C2 Device for setting the flow rate of a gas
05/1995
05/31/1995CN1103158A High pressure gas supply installation
05/24/1995EP0654438A1 Automatic pipeline switching device
05/17/1995CN1102601A Pig system for sending and receiving pigs in a pipeline system
05/11/1995DE4337900A1 Process and apparatus for delivering gas-charged liquid media in pipelines
05/09/1995US5414641 Method and apparatus for determining elementary circuits and initial values of flows in a pipe network
05/03/1995EP0651432A1 Method of feeding gas into a chamber
05/03/1995CN2196228Y Open type radiation heating furnace
04/1995
04/26/1995CN1101969A Method of and apparatus for supply of gas to public engineering station of public engineering area
04/26/1995CN1028304C Method for delivering mixture of thick oil
04/08/1995CA2122326A1 Variable mass flow rate fluid dispensing control
03/1995
03/16/1995WO1995007434A1 Pipe arrangement for low temperature fluid
03/07/1995US5394823 Pipeline with threaded pipes and a sleeve connecting the same
02/1995
02/22/1995CN1098961A Petroleum emulsifying agent and its synthetic process
02/21/1995US5391209 Connecting to main gas line pressure safety device comprising normally closed gas venting means, needle valve, spring diaphragm actuator, pressure sensing pilot means which detects increase in pressure and opens vent
02/09/1995WO1995004071A1 Process for the continuous removal of products from high pressure systems
01/1995
01/31/1995US5385175 Conduit having hydrophilic and oleophobic inner surfaces for oil transportation
01/25/1995EP0635673A1 Energy recovery, pressure reducing system and method for using the same
01/23/1995CA2128349A1 Energy recovery, pressure reducing system and method for using the same
01/18/1995EP0634603A1 Installation for supplying high pressure gas
01/17/1995CA2021124C Process and installation to supply gas to an consumer network
01/11/1995CN1027394C Storage cylinder system for liquified petroleum gas
01/09/1995CA2127479A1 Installation for providing high pressure gas
01/05/1995WO1995000563A1 Solvent-free oil soluble drag reducing polymer suspension
01/05/1995WO1995000558A1 Drag reducers for flowing hydrocarbons
01/03/1995US5377714 Device and method for transferring a multiphase type effluent in a single pipe
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