| Patents for F17D 1 - Pipe-line systems (8,074) |
|---|
| 07/12/1988 | US4756326 Polymeric drag reducer performance by injection through a land-length die |
| 06/30/1988 | DE3632988A1 Probe for the reduction of pressure-shock effects in the interior of a hollow body |
| 06/28/1988 | US4753261 Core-annular flow process |
| 06/21/1988 | US4751937 Method of reducing friction losses in flowing liquids |
| 06/16/1988 | WO1988004390A1 Fluid system |
| 06/14/1988 | US4750523 Active attenuator and method |
| 06/09/1988 | DE3640958A1 Rupture ball |
| 05/24/1988 | US4745937 Process for restarting core flow with very viscous oils after a long standstill period |
| 05/17/1988 | US4744384 Automatic gas distributing device controlled by a direct application of high gas pressure of a source for supplying a pipe with gas from an alternative gas source |
| 05/17/1988 | CA1236753A1 Apparatus and method to prevent hydrate formation in a full wellstream pipeline |
| 05/11/1988 | EP0266731A2 Method for feeding gas stocked in a cavern to the consumer mains, and installation for carrying out this method |
| 05/10/1988 | CA1236437A1 Systems for feeding liquid substances |
| 05/03/1988 | US4741673 Apparatus for and a method of transferring liquid |
| 04/19/1988 | US4738122 Refrigerant expansion device with means for capturing condensed contaminants to prevent blockage |
| 04/12/1988 | US4736764 Carboxymethylated ethoxplates as emulsifiers |
| 04/05/1988 | US4735731 Adding miscible or immiscible hydrocarbon |
| 03/17/1988 | DE3630057A1 Safety arrangement for hollow bodies exposed to pressure surges on the inside |
| 02/23/1988 | US4726831 Molten glass delivery and conditioning system |
| 02/11/1988 | WO1988000924A1 Device for connecting selectively at least one first stationary line for a fluid with a plurality of second stationary lines |
| 02/03/1988 | EP0255003A2 Automatic gas distributing device, for supplying a pipe with gas from an alternative gas source, controlled by the direct application of high gas pressure of the source |
| 01/27/1988 | CN87210342U Electronic electroheating temperature preservation device for petroleum pipeline |
| 01/26/1988 | US4721420 Pipeline transportation of coarse coal-liquid carbon dioxide slurry |
| 01/26/1988 | CA1231908A1 Parrafin settling inhibition process in crude oils and their fractions |
| 01/21/1988 | DE3632690A1 Method for absorbing pressure shocks in media conveyed through pipes and a device for carrying out the method |
| 01/19/1988 | US4720263 Transportable system for providing heat to flowing materials |
| 01/12/1988 | US4718459 Underwater cryogenic pipeline system |
| 01/07/1988 | EP0251406A1 An apparatus for dispensing measured quantities of a liquid material |
| 01/05/1988 | CA1231099A1 Long chain alkyl- or alkenyl quaternary ammonium salts and their use as drag reducing agents |
| 12/16/1987 | EP0249067A1 Device for damping water hammers in pipes, especially in sanitary installations |
| 12/10/1987 | DE3707660A1 Contactless transport of fine particles in pipelines |
| 12/08/1987 | US4711093 Cogeneration of electricity and refrigeration by work-expanding pipeline gas |
| 11/26/1987 | DE3616977A1 Device for feeding fluids, in particular water |
| 11/24/1987 | US4708793 System for separating gas-liquid flowstreams |
| 11/19/1987 | EP0245360A1 Joule-thomson apparatus with temperature sensitive annular expansion passageway. |
| 11/17/1987 | US4706697 Reducing the necessary pressure drop through slide valves |
| 11/11/1987 | EP0244400A1 Refrigeration from expansion of transmission pipeline gas |
| 11/10/1987 | US4705860 Quaternary ammonium salts and their use as drag reducing agents |
| 11/04/1987 | EP0243675A1 Method of pulsation damping at piston compressors |
| 10/28/1987 | EP0242584A1 Device for the mechanical decoupling of a pipeline system |
| 10/27/1987 | US4702421 Pumping unwashed crushed raw coal slurry through a pipeline |
| 10/20/1987 | US4701247 Electrochemical methods for breaking high viscosity fluids |
| 10/06/1987 | US4697426 Pipelining slurry of gas and waxy oil |
| 09/23/1987 | EP0237724A2 Process for the transportation of viscous oils |
| 09/16/1987 | EP0236428A1 Pipeline transportation of coarse coal-liquid carbon dioxide slurry |
| 09/15/1987 | US4693321 Method using encapsulated flow improvers to reduce turbulence |
| 09/09/1987 | EP0235536A2 Process for the transportation of heavy oils |
| 08/27/1987 | DE3605723A1 Method and device for conveying solid/liquid mixtures |
| 08/27/1987 | DE3604859A1 Vacuum/pressure compensating construction |
| 08/25/1987 | US4688588 Slurry viscosity control |
| 08/18/1987 | US4687639 Apparatus for accommodating temperature and pressure variations in tubular conduits |
| 07/29/1987 | EP0229970A1 Method and apparatus for the operation of liquid flow machines |
| 07/28/1987 | US4682620 Clean-gas continuous-flow intermediate storage or accumulator plant |
| 07/21/1987 | US4681136 Gas flow pulsation dampener and pressure differential control |
| 06/19/1987 | DE3544368A1 Pressure damper |
| 06/11/1987 | DE3638919A1 Pressure-surge protection for liquid-filled pipelines in heat-supply systems |
| 06/11/1987 | DE3618491A1 Arrangement for pressure surge damping in pipelines filled with fluids |
| 05/20/1987 | CN85108522A Heat-insulating oil pipe |
| 05/07/1987 | WO1987002798A1 Joule-thomson apparatus with temperature sensitive annular expansion passageway |
| 05/07/1987 | WO1987002758A1 Refrigeration from expansion of transmission pipeline gas |
| 04/29/1987 | EP0220086A1 Liquefied-gas transfer line comprising a thermal screen provided with a heat exchanger |
| 04/16/1987 | DE3532979A1 Inner auxiliary heating for pipelines |
| 04/09/1987 | WO1987002117A1 Device for supplying a pump with a diphase fluid and plant for producing hydrocarbons comprising such a device |
| 03/12/1987 | WO1987001362A1 Pipeline transportation of coarse coal-liquid carbon dioxide slurry |
| 03/12/1987 | DE3628245A1 Method for preventing precipitations of moisture on structural parts of a PFBC installation and PFBC installation for carrying out the method |
| 03/04/1987 | CN85106192A Insert for insulated steam injection tubing |
| 03/03/1987 | US4646771 One-step system for transforming a water-in-oil emulsion into an oil-in-water emulsion |
| 02/19/1987 | DE3528468A1 Non-return valve, in particular a pipe-break valve |
| 02/12/1987 | DE3528247A1 Pulsation damper |
| 02/10/1987 | US4641679 Feed device for a two-phase fluid pump and a hydrocarbon producing installation with such feed device |
| 02/05/1987 | DE3527519A1 Method and arrangement for delivering gases at a slight vacuum through gas-line systems at risk of settlement, in particular in landfill sites |
| 01/20/1987 | US4637418 Fluid friction reduction |
| 01/08/1987 | DE3524207A1 A hose line system for abstracting fluids |
| 01/07/1987 | CN86101484A Method for contralling gas etching |
| 01/06/1987 | US4634347 Arrangement in plant equipment for supplying a binding agent directly to a building element |
| 12/30/1986 | US4631928 Joule-Thomson apparatus with temperature sensitive annular expansion passageway |
| 12/30/1986 | EP0207015A2 Ventilated collector for a gas distribution network for domestic or other use |
| 12/24/1986 | CN85103522A Improved use of flow improvers |
| 12/09/1986 | US4627458 One-step process for transforming a water-in-oil emulsion into an oil-in-water emulsion |
| 11/12/1986 | CN85103312A Middle storing apparatus for flowing pure gas |
| 11/05/1986 | CN85109012A Process for preparation of groft ethene copolymer used as addition preventing deposition of wax in crude oil, and composition containing said crude oil and additive |
| 11/04/1986 | US4620672 Apparatus and method for converting pipeline fine coal slurry to coal water mixture suitable for direct combustion in boilers |
| 10/15/1986 | EP0197152A1 Method of lowering flow resistance of liquids |
| 10/07/1986 | US4615825 Friction reduction using a viscoelastic surfactant |
| 10/07/1986 | US4615752 Methods of pumping and loading emulsion slurry blasting compositions |
| 09/23/1986 | US4612766 Apparatus for compensating for variations in pressure and flow in fuel supply systems of gas turbine engines |
| 09/17/1986 | EP0194837A2 Gas pipe pumping system |
| 09/17/1986 | EP0194474A2 Method for regulating cavitation |
| 09/12/1986 | WO1986005291A1 Device for regulating the flow rate of a gas, and application of such device to the gas supply of a reactor |
| 09/09/1986 | CA1211026A1 Pressure device |
| 08/27/1986 | CN86101031A Apparatus and method for converting pipeline fine coal slurry to coal water mixture suitable for direct combustion in boilers |
| 08/26/1986 | US4608411 Copolymers of unsaturated alkyl esters based on long chain fatty aalcohol; crystal growth inhibitors |
| 08/13/1986 | EP0190553A1 Process to improve the viscosity of mineral oils and of the distillates of mineral oils |
| 07/08/1986 | US4599249 Method to improve flow characteristics of water insoluble solid particles and composition |
| 06/05/1986 | WO1986003263A1 Arrangement for damping oscillations in closed liquid transport systems |
| 05/28/1986 | EP0182661A2 Methods of loading a borehole with a emulsion slurry blasting composition |
| 05/21/1986 | EP0181338A1 Section valve counteracting pressure transients in pipe systems. |
| 05/20/1986 | US4589434 Method and apparatus to prevent hydrate formation in full wellstream pipelines |
| 04/23/1986 | EP0178962A1 Method and apparatus for the compression and transportation of a gas comprising a liquid fraction |
| 04/10/1986 | WO1986002129A1 Method of lowering flow resistance of liquids |
| 04/09/1986 | EP0176641A1 Hydrocarbon fluid friction reducing composition containing olefin copolymer and process for producing same |