| Patents for F17D 1 - Pipe-line systems (8,074) |
|---|
| 12/28/1994 | CN2186343Y Liquid conveying tube for small mound |
| 12/27/1994 | US5376697 Drag reducers for flowing hydrocarbons |
| 12/27/1994 | US5375634 Variable mass flow rate fluid dispensing control |
| 12/13/1994 | US5372010 Method and arrangement for the compression of gas |
| 12/12/1994 | CA2098221A1 Stable nonagglomerating aqueous suspensions of oil soluble polymeris friction reducers |
| 12/07/1994 | EP0596143A4 Gas-distributing station with energetic installation. |
| 12/07/1994 | EP0379594B1 Gas supply pipeline system for process equipment |
| 12/06/1994 | US5370269 Process and apparatus for precise volumetric diluting/mixing of chemicals |
| 12/01/1994 | DE4317395A1 Method and device for supplying consumers with odorized gas |
| 11/30/1994 | EP0626652A1 Method and apparatus for determining elementary circuits and initial values of flows in a pipe network |
| 11/30/1994 | EP0626418A1 Stable nonagglometrating aqueous suspensions of oil soluble polymeric friction reducers |
| 11/29/1994 | US5368063 Heating system for conveyor pipes |
| 11/08/1994 | US5361797 Sludge pipeline lubrication system |
| 10/27/1994 | WO1994024413A1 Method for inhibiting solids formation and blends for use therein |
| 10/26/1994 | EP0621103A1 Welding and cleaning method for superhigh purity fluid pipe system |
| 10/26/1994 | CN1094145A Structural member of gas-liquid pipeline system |
| 10/26/1994 | CN1094062A Dispersing agent for wax in crude oil and its production |
| 10/18/1994 | US5356542 Mixtures of organic ammonium salts and their use as flow accelerators |
| 10/13/1994 | DE4312101A1 Process for transporting contaminated cooling lubricants |
| 10/12/1994 | EP0619450A1 Zero Dead-Leg Gas Cabinet |
| 10/12/1994 | EP0618995A1 Use of selected inhibitors against the formation of solid organic-based incrustations from fluid hydrocarbon mixtures |
| 10/05/1994 | CN1093099A Viscosity depressant for high-viscosity crude oil and its preparation and use |
| 10/04/1994 | US5351756 Contacting in situ with a solution of water, anti-hydrate stabilizers which able to vaporize at low temperature than water, separating the stabilizer from gases by condensation, recycling to reuse |
| 09/29/1994 | WO1994021957A1 Air regulation system for hydropneumatic reservoir |
| 09/29/1994 | WO1994021551A1 Process and apparatus for precise volumetric diluting/mixing of chemicals |
| 09/28/1994 | EP0617227A1 Air control system for hydropneumatic reservoir |
| 09/28/1994 | CN1026026C Process for pumping a multi-phase gas-liquid mixture by means of the use of a pump |
| 09/20/1994 | US5348047 Valve arrangement |
| 09/07/1994 | EP0614039A1 Procedure and installation to deliver gas into a customer unit on a customer place |
| 09/07/1994 | CN1091822A Heating system for conveyor pipes |
| 09/07/1994 | CN1025886C Process for pumping a multi-phase gas-liquid mixture by emans of the use of a pump |
| 09/02/1994 | CA2090630A1 Ejector pull away system and apparatus |
| 08/24/1994 | EP0611913A2 Heating system for conveyor pipes |
| 08/18/1994 | CA2114391A1 Heating system for conveyor pipes |
| 08/17/1994 | CN2174622Y Heating apparatus for crude oil in petroleum production system |
| 08/17/1994 | CN2174621Y Cooling conveying wax-removing machine for petroleum delivery pipe |
| 08/16/1994 | US5337773 Vacuum-operated draining systems |
| 08/10/1994 | CN1090636A Semi-automatic stink adding method for burning gas and its special device |
| 08/03/1994 | EP0608416A1 Piping system free of stagnation of fluid |
| 08/03/1994 | CN1090384A Yiscosity and setting point reducing apparatus with electromagnetic and mechanical frequency-varying vibration |
| 07/27/1994 | EP0607426A1 Process for producing highly viscous petroleum products and pumping them further |
| 07/27/1994 | CN1090027A Non-powered crossing over blockage of fluid |
| 07/21/1994 | DE4401283A1 Evacuation of section of natural gas pipeline for repair and maintenence |
| 07/19/1994 | US5330072 Process and apparatus for electronic control of the transfer and delivery of high purity chemicals |
| 07/19/1994 | CA2026681C Coolant supply apparatus for liquid-cooled electronic device |
| 07/13/1994 | CN2171765Y 节能水泵管 Energy-saving pump tube |
| 07/06/1994 | EP0605071A1 Tubing with threaded tubes and a connection sleeve |
| 06/29/1994 | CN1025201C Preparing process for pour depressant of crude oil containing wax |
| 06/29/1994 | CA2112424A1 Pipeline with threaded pipes and a sleeve connecting the same |
| 06/14/1994 | US5320133 Flow system disconnect and method |
| 06/08/1994 | CN2168162Y Strong-magnetic viscosity-reducing wax-protecting and scaling device for large petroleum pipeline |
| 05/26/1994 | WO1994011626A1 Natural gas expansion plant |
| 05/18/1994 | CN2165318Y Pumpless liquid lift device |
| 05/17/1994 | US5312553 Mixtures of organic ammonium salts as flow accelerators |
| 05/17/1994 | US5311896 Method for producing a heatable and refrigerable element for a system handling small quantities of liquid, and an element manufactured by the method |
| 05/11/1994 | EP0596143A1 Gas-distributing station with energetic installation |
| 05/04/1994 | CN1086298A Process for recovering and causing highly viscous petroleum products to flow |
| 04/27/1994 | CN2163293Y Electric heater connected to petroleum pipeline |
| 04/27/1994 | CN2163292Y Air supply equipment of medical purifying centre |
| 04/20/1994 | CN2162584Y Liquid-gas double-pipe transmission device compound liquid fuel for household |
| 04/20/1994 | CN1024295C Delivery apparatus for liquid propellant gasification pipe line |
| 04/19/1994 | CA1328559C Process to retard the formation of hydrates or to reduce their tendency to agglomerate |
| 04/06/1994 | CN2160811Y Pipeline-type dynamic mixer |
| 04/06/1994 | CN1084819A Liquid cryogen dispensing apparatus and method |
| 03/30/1994 | EP0589562A1 Liquid cryogen dispensing apparatus and method |
| 03/29/1994 | CA2026217C Automatic changeover manifold |
| 03/15/1994 | US5294214 Gas eliminator for offshore oil transfer pipelines |
| 03/15/1994 | US5294154 Temporary selective pipe connection apparatus with multiple inlets and outlets |
| 03/09/1994 | EP0461195B1 Backflash interrupter |
| 03/02/1994 | CN1083182A Process for pumping a multi-phase gas-liquid mixture by means of the use of a pump |
| 03/01/1994 | US5290151 Process for pumping a multi-phase gas-liquid mixture by means of the use of a pump |
| 02/22/1994 | US5287873 Installation and process for the distribution of very high purity nitrogen |
| 02/09/1994 | CN1081751A Process for re-starting the operation of a pipeline containing fluids with a high value of yield stress arderices for carrying it out |
| 02/03/1994 | WO1994002775A1 Device for fast sectioning |
| 01/20/1994 | WO1994001684A1 Process for recovering and causing highly viscous petroleum products to flow |
| 01/19/1994 | EP0579497A1 Method for boosting the transfer of production fluid from a well |
| 01/13/1994 | DE4223160A1 Gas compression plant for industrial supply - has gas over-compressed, with expansion providing final pressure and temp. |
| 01/13/1994 | DE4222637A1 Manifold system for fluid power valves - has valve mounted on base manifold having fluid flow passages and built=in plugs that are engaged by bridging unit |
| 01/08/1994 | CA2073302A1 Apparatus for improving the viscosity of coating materials |
| 01/05/1994 | CN2152135Y Automatic temperature regulator for heating furnace |
| 01/04/1994 | US5276116 Blend of olefin-divinylbenzene copolymer with vinyl siloxane copolymer with a catalyst |
| 12/29/1993 | CN1023344C Fluid feeding system |
| 12/28/1993 | US5272881 Liquid cryogen dispensing apparatus and method |
| 12/22/1993 | CN2150428Y Gas supplying device for purifying of compressed air |
| 12/21/1993 | US5271424 Drag reduction with amine functional polymers |
| 12/15/1993 | CN1079542A Method of oil-gas closed combined transportation and transfer station |
| 12/14/1993 | US5269465 Liquid distributor tray for heat exchange equipment |
| 12/09/1993 | WO1993024785A1 Gas-distributing station with energetic installation |
| 12/09/1993 | WO1993024784A1 Gas-distributing station with energetic installation |
| 12/08/1993 | EP0409945B1 Process and device for evacuating the content of gas spaces of large containers containing pollutant substances |
| 11/25/1993 | DE4216438A1 Fluid material handling from container to dispensing distributor - cleans distributor part, contacted by material and common dispensing pipe prior to delivery of another material |
| 11/24/1993 | EP0571257A1 Process for the treatment and the transport of natural gas coming from a well |
| 11/24/1993 | EP0570739A1 Drainage system |
| 11/21/1993 | CA2096489A1 Vacuum-0perated draining system |
| 11/17/1993 | CN1078540A Pumping of liquified gas |
| 10/28/1993 | WO1993021471A1 Fluid flow friction reduction system |
| 10/27/1993 | CN1077786A Storage and transportation of viscous oil mixture |
| 10/20/1993 | EP0566151A1 Pumping of liquified gas |
| 10/20/1993 | CN1077526A "process for pumping a multi-phase gas-liquid mixture by means of the use of a pump" |
| 10/20/1993 | CN1077525A "process for pumping a multi-phase gas-liquid mixture by means of the use of a pump" |