| Patents for B01J 4 - Feed devices; Feed or outlet regulating devices (8,112) |
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| 05/23/1989 | CA1254600A1 Process and apparatus for the injection by pneumatic means of metered amounts of pulverulent materials into a vessel which is under variable pressure |
| 05/16/1989 | US4830125 Process and apparatus for automatically weighing and introducing chemicals |
| 05/10/1989 | EP0315156A1 Apparatus for growing crystals |
| 04/26/1989 | CN1032497A Compartmented gas injection device |
| 04/25/1989 | US4823985 Forming in situ a composition consisting of two separately packaged constituents and dispensing assembly for carrying out this process |
| 04/18/1989 | US4822384 Oxygen enriching apparatus with means for regulating oxygen concentration of oxygen enriched gas |
| 04/06/1989 | DE3731678A1 Process and apparatus for generating CO2 by fermentation of a sugar solution and for enrichment of aquarium water therewith |
| 04/04/1989 | US4817800 Fluid injection system cassette and fluid packaging methods |
| 04/04/1989 | CA1252173A1 Apparatus and method for detecting liquid penetration by a container used for aspirating and dispensing the liquid |
| 03/28/1989 | US4815860 Method for the manufacture of sprayable concrete |
| 03/28/1989 | CA1251708A1 Constant release system with pulsed release |
| 03/22/1989 | EP0308024A2 Compartmented gas injection device |
| 03/22/1989 | EP0307995A2 Process and device for gas delivery to an epitaxy apparatus |
| 03/15/1989 | EP0307318A1 Device, especially for uniformly distributing solid particles and/or liquids, and unit having such a device |
| 03/14/1989 | CA1251293A1 Polymer feed system |
| 03/09/1989 | WO1989001788A1 Device for release of nitroglycerine onto the skin, process for its manufacture and use thereof |
| 03/08/1989 | EP0305758A1 Method for the preparation of a patch for the transdermal sustained release of nitroglycerine |
| 03/01/1989 | EP0231706B1 Oxidation process and reactor for a gaseous phase oxidizable charge |
| 03/01/1989 | EP0221813B1 Process, oxidation reactor for a gaseous oxidizable feed and its use |
| 02/21/1989 | US4805675 Valves for chemical containers |
| 02/15/1989 | EP0303439A2 Gas mixer and distributor for reactor |
| 02/07/1989 | US4802554 Grease applying method |
| 01/24/1989 | US4799943 Gas stream diffusing and distribution apparatus |
| 01/19/1989 | DE3723022A1 Appliance for solidifying, in particular, liquid hydrocarbons or hydrocarbon mixtures |
| 01/18/1989 | EP0299658A2 Analysis system |
| 01/18/1989 | EP0299522A2 Process and apparatus for automatically weighing and introducing chemicals |
| 01/12/1989 | WO1989000080A1 Gas inlet for a plurality of various reaction gases in reaction vessels |
| 01/12/1989 | DE3721637A1 Gaseinlass fuer eine mehrzahl verschiedener reaktionsgase in reaktionsgefaesse Gas inlet for a plurality of different reactive gases in reaktionsgefaesse |
| 01/11/1989 | CN1030195A Improved fluidizing gas distribution device |
| 01/10/1989 | US4796787 Apparatus for precisely measuring and supplying liquid |
| 01/04/1989 | EP0297762A1 Improved fluidizing gas distribution device |
| 01/04/1989 | EP0297126A1 Phase transfer catalysis |
| 12/28/1988 | EP0296753A2 Gas stream diffusing and distribution apparatus |
| 12/27/1988 | US4793524 Integrated reagent container and metered dispenser means |
| 12/14/1988 | EP0294627A2 Process for charging materiels or mixtures of materiels into pressure vessels and apparatus for carrying out the process |
| 12/14/1988 | EP0294569A2 Milk of lime distributor |
| 12/13/1988 | CA1246503A1 Apparatus for dispensing a mixture of mutually reactive liquids |
| 12/06/1988 | CA1246300A1 Catalyst injection for ziegler polymerization |
| 12/01/1988 | DE3730279C1 Metering cartridge with empty indication |
| 11/30/1988 | EP0293303A1 Expansion vessel for liquids for use in conditions of weightlessness |
| 11/30/1988 | EP0293186A2 Microporous membrane trickle bed process |
| 11/30/1988 | EP0292880A2 Fluid injection system cassette and fluid dispensing apparatus |
| 11/29/1988 | US4787535 Apparatus for the dosed delivery of a granular solid material |
| 11/23/1988 | EP0291990A2 Sterilizing apparatus |
| 11/23/1988 | EP0291987A2 Fluid injection system |
| 11/22/1988 | US4786597 Chemical or biochemical conversion reactions |
| 11/22/1988 | US4786297 Gas supply and distribution system |
| 11/15/1988 | CA1244907A1 Self-fill system |
| 11/15/1988 | CA1244632A1 Distributing device for suspensions |
| 11/09/1988 | EP0289721A2 Method and device for continuously proportioning powdered materials using a gas under pressure |
| 11/08/1988 | US4783305 Generator for radionuclide |
| 11/08/1988 | US4782857 Method and apparatus for uniformly distributing solids-containing liquid |
| 11/01/1988 | US4781811 Device for feeding gas into a liquid |
| 10/18/1988 | CA1243250A1 Liquid replenishing apparatus |
| 10/12/1988 | EP0286158A1 Gas system for precision injection of low vapour pressure materials into low pressure or vacuum systems |
| 10/12/1988 | EP0171316B1 Process and apparatus for contacting at least two gaseous components reacting at high temperatures |
| 10/05/1988 | CN87108386A A gas feed device comprising tubes with narrowed zones |
| 09/27/1988 | US4774299 Conveying, active materials, gas phase polymerization of olefins |
| 09/22/1988 | WO1988006915A1 Process and device for apportioning powders |
| 09/21/1988 | EP0282958A1 Process and device for dosing powders |
| 09/06/1988 | CA1241551A1 Controlled release system |
| 08/31/1988 | EP0280016A2 Device for injecting a gaseous medium at a fluidised-bed process |
| 08/23/1988 | CA1241091A1 Computerized system for feeding chemicals into water treatment system |
| 08/09/1988 | CA1240447A1 Device and process for introducing a powder with catalytic activity into a fluidised-bed polymerisation reactor |
| 08/02/1988 | CA1240077A1 Installation for injecting oxygen into liquid media and use of such an installation |
| 07/27/1988 | EP0275780A1 Gas introduction device having tubes with constricted zones |
| 07/26/1988 | US4759910 Used for ditributing a dispersed phase into continuous phase |
| 07/26/1988 | US4759907 Feeder device and method for adding solid material to a liquid of variable flow rate |
| 07/20/1988 | EP0275225A1 High precision melting-dosing apparatus for fusible materials or liquids |
| 07/12/1988 | US4756329 Devices for the injection of an additive product metered into a main fluid |
| 07/06/1988 | CN87108363A Method and device using a flame for producing synthetic gas |
| 06/29/1988 | EP0272986A1 Process and flame-operated apparatus for the production of synthesis gas |
| 06/28/1988 | US4754089 Separation of phase by permeable membrane |
| 06/28/1988 | CA1238543A1 Osmotic capsule |
| 06/21/1988 | US4752586 Using dialysis membrane |
| 06/16/1988 | WO1988004286A1 Phase transfer catalysis |
| 06/16/1988 | WO1988004278A1 Automated system for adding multiple fluids to a single container |
| 06/15/1988 | EP0271401A1 Device for emptying laboratory reactors |
| 06/14/1988 | CA1237982A1 Laminate device for controlled and prolonged release of substances to an ambient environment |
| 06/08/1988 | EP0270179A2 Process and apparatus for withdrawing solids from a vessel |
| 06/07/1988 | US4749313 Transfer line for a suspension of particles with a constant quantity with a view to the conditioning thereof |
| 05/31/1988 | US4748014 Process and apparatus for obtaining silicon from fluosilicic acid |
| 05/31/1988 | CA1237425A1 Rotary processors and seals |
| 05/25/1988 | EP0268237A2 Apparatus and process for reagent fluid dispensing and printing |
| 05/24/1988 | CA1237047A1 Gas supplying apparatus |
| 05/11/1988 | EP0266517A2 Device for feeding solids into liquids in a controlled manner |
| 05/10/1988 | US4743433 Fixed beds, phase separators |
| 05/05/1988 | DE3637060A1 Device for spraying or injecting liquid into a container and use thereof |
| 05/04/1988 | EP0266051A1 Oxygen enriching apparatus with means for regulating oxygen concentration of oxygen enriched gas |
| 05/03/1988 | CA1235863A1 Steam cooled spout |
| 04/20/1988 | EP0264177A2 Gas scavenger |
| 04/07/1988 | WO1988002276A1 Gas/liquid exchange device and method |
| 03/30/1988 | EP0261973A1 Device and process for treating fine particles |
| 03/23/1988 | EP0260896A2 Emanator for volatile liquids |
| 03/08/1988 | CA1233745A1 Antimicrobial adjustment technique |
| 03/01/1988 | US4728250 Process of filling and emptying a constantly pressurized container |
| 02/24/1988 | CN87103502A Porous anodic aluminium oxide membrane catalyst support |
| 02/18/1988 | DE3627501A1 Apparatus for the rate-proportional metering of additives |
| 02/16/1988 | US4725149 Automatic dissolving device |
| 02/10/1988 | EP0255791A1 Device for injecting an additional product into a principal fluid |