| Patents for F17D 1 - Pipe-line systems (8,074) |
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| 04/30/1997 | CN1034760C Liquid cryogen dispensing apparatus and method |
| 04/29/1997 | US5624498 Showerhead for a gas supplying apparatus |
| 04/29/1997 | CA2075862C Temporary selective connection installation with multiple inlets and outlets |
| 04/16/1997 | EP0608416B1 Piping system free of stagnation of fluid |
| 04/10/1997 | WO1997012947A1 Cleaning compositions for oil and gas wells, lines, casings, formations and equipment and methods of use |
| 04/03/1997 | WO1997012171A1 Hydropneumatic anti-hammer tank with an air intake and control device, and air intake method |
| 04/02/1997 | CN1146540A Flow-controlled crude oil pipe-conveying method |
| 04/02/1997 | CN1146379A Method for distribution of ultra-high purity gas with minimum corrosion |
| 03/27/1997 | WO1997011298A1 Valve driving device |
| 03/05/1997 | EP0760447A1 Automatic pipe jointing equipment |
| 03/04/1997 | US5607000 Hazardous material liquid dispensing system and method |
| 03/04/1997 | US5606858 Energy recovery, pressure reducing system and method for using the same |
| 02/27/1997 | WO1997007320A1 A method for predetermining a polymer for inhibiting hydrate formation |
| 02/26/1997 | CN1143726A Method and apparatus for recovering, reclaiming, and filling air conditioner freon |
| 02/25/1997 | US5605174 Device for conveying thick substances containing a great deal of solid material |
| 02/20/1997 | WO1996032002A3 Device with an actuator valve connected to a main gas line and with a servo valve |
| 02/19/1997 | CN1143171A Low pressure rear-end regulating peak gas pipe net system |
| 02/18/1997 | CA2129306C Gas pipeline drip |
| 02/04/1997 | US5600044 Method for inhibiting hydrate formation |
| 01/29/1997 | CN2246235Y Cold micro-pressuring pipeline transport appts. for forming gas |
| 01/23/1997 | DE19622934A1 Polymer having vinyl amide unit |
| 01/23/1997 | DE19622933A1 Inhibiting formation of clathrate hydrate(s) in petroleum fluid |
| 01/16/1997 | WO1997001582A1 Low viscosity, high concentration drag reducing agent and method therefor |
| 01/16/1997 | WO1997001424A1 Device and process for impregnating rovings with plastic material |
| 01/16/1997 | CA2224705A1 Device and process for impregnating rovings with plastic material |
| 01/15/1997 | EP0753170A1 Monitor for fluid dispensing system |
| 01/09/1997 | DE19524215A1 Schmelzofen zur thermischen Behandlung von schwermetallhaltigen und/oder dioxinhaltigen Sonderabfällen Furnace for thermal treatment of heavy metal-containing and / or dioxin-containing hazardous waste |
| 01/07/1997 | US5592397 Computer program product for determining elementary circuits and initial values of flow in a pipe network |
| 01/07/1997 | US5591273 Process for distributing ultra high purity gases with minimized contamination and particulates |
| 01/02/1997 | DE19523490A1 Vorrichtung und Verfahren zur Imprägnierung von Fasersträngen mit Kunststoffmaterial Apparatus and method for impregnation of fiber strands with plastic material |
| 12/27/1996 | WO1996041834A1 Polymers for use as hydrate inhibitors |
| 12/27/1996 | WO1996041786A1 Method for inhibiting hydrate formation |
| 12/27/1996 | WO1996041785A1 Method for inhibiting hydrate formation |
| 12/27/1996 | WO1996041784A1 Method for inhibiting hydrate formation |
| 12/18/1996 | EP0549733B1 Apparatus and method for the transfer and delivery of high purity chemicals |
| 12/17/1996 | CA2035682C Safety device and method |
| 12/11/1996 | EP0747626A2 Means and method for filtering contaminants from a gas stream to detect filter and/or pressurization conditions in situ |
| 12/11/1996 | EP0747624A2 Misalignment compensating manifold for twin pumps |
| 12/11/1996 | CN1137621A Misalignment compensating manifold for twin pumps |
| 12/10/1996 | US5583273 Method for inhibiting hydrate formation |
| 12/07/1996 | CA2178281A1 Process for transporting a fluid, such as a dry gas, likely to form hydrates |
| 12/07/1996 | CA2178280A1 Process for recycling a dispersant additive used in the transportation of condensate gas or oil with associated gas in the presence of hydrates |
| 11/19/1996 | US5576493 Method and means for filtering contaminants from a gas stream to detect filter condition in situ |
| 11/07/1996 | DE19614445A1 Pressure reducing gas fitting |
| 11/06/1996 | EP0741326A1 Device for supplying and collecting solutions |
| 11/05/1996 | US5571487 For use in the production of electronic components, liquid crystal displays or photoelectric cells |
| 11/05/1996 | US5571452 Process for recovering and moving highly viscous petroleum products |
| 11/05/1996 | CA2103615C Liquid cryogen dispensing apparatus and method |
| 10/31/1996 | WO1996034177A1 Method for inhibiting the plugging of conduits by gas hydrates |
| 10/30/1996 | CN1134529A Low-pressure normal-temp. compound carbon-5 gas making and distributing system |
| 10/24/1996 | WO1996024799A3 Apparatus and method for producing power using the excess pressure in natural gas pipelines |
| 10/17/1996 | DE19514143A1 Pressure conveyor system for semi solids |
| 10/16/1996 | CN2237776Y Composite heat pipe crude oil heater |
| 10/15/1996 | US5564456 Method for mitigating slugs in a pipeline |
| 10/10/1996 | WO1996032002A2 Device with an actuator valve connected to a main gas line and with a servo valve |
| 10/10/1996 | WO1996031418A1 A non-mechanical valve |
| 10/10/1996 | DE19513635A1 Anordnung mit einem an einen Hauptgaskanal angeschlossenen Stellventil und mit einem Vorsteuerventil Arrangement with a device connected to a main gas channel control valve and a pilot valve |
| 10/10/1996 | CA2217503A1 A non-mechanical valve |
| 10/08/1996 | US5561982 Method for energy separation and utilization in a vortex tube which operates with pressure not exceeding atmospheric pressure |
| 10/02/1996 | EP0735305A1 Fuel supply system |
| 09/28/1996 | CA2167446A1 Fuel supply system |
| 09/25/1996 | EP0733849A1 Pipeline flow booster system |
| 09/25/1996 | CN1131587A Process for distributing ultra high purity gases with minimized contamination and particulates |
| 09/24/1996 | US5557925 Piping installation for low temperature fluid |
| 09/18/1996 | CN2235548Y Pipe-line structure for pumping and conveying liquid |
| 09/17/1996 | US5555728 Apparatus and method for producing power using the excess pressure in natural gas pipelines |
| 09/04/1996 | EP0508984B1 Phosphine fumigation method |
| 09/03/1996 | US5552456 Micelle formation, coated polymer particles |
| 09/03/1996 | CA2045168C Backflash interrupter |
| 08/29/1996 | DE4438271C1 Recovery highly viscous products contg. hydrocarbon(s) from e.g. mines |
| 08/22/1996 | WO1996025621A1 Automatic pipe jointing equipment |
| 08/15/1996 | WO1996024799A2 Apparatus and method for producing power using the excess pressure in natural gas pipelines |
| 08/13/1996 | US5545868 Superhigh purity fluid supply pipe system and method of installing the same |
| 08/08/1996 | DE19503727A1 Gas inlet combination for house |
| 08/07/1996 | CN2232527Y Separation double-pipe transmission device for civil alkyl liquid fuel |
| 07/31/1996 | CN1127874A System for supplying consumers with heat energy, and apparatus therefor |
| 07/31/1996 | CN1127866A Light liquid fuel gasifying pipeline transportation and supply apparatus for quarters |
| 07/30/1996 | US5540059 Method and apparatus for supplying gaseous raw material |
| 07/30/1996 | CA2081010C Non-stagnant piping system |
| 07/24/1996 | EP0722909A1 Device for splitting a gas stream into several partial gas streams |
| 07/24/1996 | EP0670957B1 Natural gas expansion plant |
| 07/23/1996 | US5539044 Slurry drag reducer |
| 07/18/1996 | DE19501145A1 Verwendung von Alkylpolyglycosiden als Reibungsminderer Use of alkylpolyglycosides as friction reducers |
| 07/17/1996 | CN2231363Y Single pipe transport equipment for civil liquid fuel |
| 07/16/1996 | US5535769 Process for moving highly viscous petroleum products |
| 07/16/1996 | CA2024857C Coanda spiral flow unit |
| 07/03/1996 | EP0719979A2 A process for distributing ultra high purity gases with minimized contamination and particules |
| 07/03/1996 | EP0719973A1 Connecting element, device and pipe coupling assembly, in particular for gas pipes |
| 07/01/1996 | CA2165904A1 Joining piece, device and connection assembly for ducts, in particular gas ducts |
| 06/26/1996 | CN2229925Y Low pressure transmission equipment for low molecule hydrocarbon oil |
| 06/18/1996 | US5526839 Stable emulsion of viscous crude hydrocarbon in aqueous buffer solution and method for forming and transporting same |
| 06/18/1996 | US5526684 Method and apparatus for measuring multiphase flows |
| 06/11/1996 | US5525133 Gas pipeline drip |
| 06/03/1996 | CA2137202A1 Piston-style pulsation dampener for a hydraulic system |
| 05/29/1996 | EP0714047A2 Processing chemicals |
| 05/19/1996 | CA2163143A1 Apparatus and process for explosives mixing and loading |
| 05/15/1996 | EP0711958A1 Installation and device for supplying heat |
| 05/15/1996 | DE19501733C1 Gas flow distributor |
| 05/14/1996 | US5516366 Supply control system for semiconductor process gasses |
| 05/14/1996 | US5515715 Method and means for filtering contaminants from a gas stream to aid detection |