Patents for B01J 4 - Feed devices; Feed or outlet regulating devices (8,112)
09/1990
09/20/1990DE3908453A1 Process and apparatus for the discontinuous delivery of application liquids solidifying in air from application nozzles
09/19/1990EP0388199A2 Dosing pump system
09/19/1990EP0387943A1 Process and apparatus for the metered addition of a vapor phase substance in a reactor
08/1990
08/29/1990EP0384614A2 Fluid consistency regulating pump
08/28/1990US4952139 Gas feed device comprising tubes with narrowed zones
08/16/1990EP0382591A1 Dispenser for pasty or solid products with a coated dispensing opening
08/16/1990EP0381935A1 Device for obtaining samples from a flowing medium
08/07/1990US4946653 Process for the simultaneous classification and regulated, continuous discharge of particulate material from fluidized bed reactors
08/01/1990EP0379594A1 Gas supply pipeline system for process equipment
08/01/1990CN1008972B Improved fluidizing gas distribution device
07/1990
07/18/1990EP0378408A2 Double-deck distributor
07/17/1990US4941916 Sublimation
07/17/1990US4941518 Fluid injection system
07/17/1990CA1271699A1 Method and apparatus for uniformly distributing solids-containing liquid
07/12/1990WO1990007587A1 Feeder for process gas
07/03/1990US4938931 Hollow membrane
07/03/1990US4938789 Raw material supplying device and process
06/1990
06/26/1990EP0297126A4 Phase transfer catalysis.
06/21/1990DE3940118A1 Slurry distribution into cells around cylinder perimeter - by arm rotated in horizontal plane above cells
06/20/1990EP0374023A1 Device for coating a moving substrate with a powdery solid material
06/14/1990CA2004746A1 Slurry distribution apparatus
06/12/1990US4933054 Solid electrolyte with coating on one surface of conductive metal, metal oxide or mixture, second surface coated with metal, metal oxide or mixture
06/12/1990US4932785 Aggregate drying system with improved aggregate dryer and mass flow apparatus
06/05/1990CA1269961A1 Device for distributing a material upon a surface
05/1990
05/23/1990CN1042311A Liquid distributor assembly for packed tower
05/09/1990EP0367525A1 Liquid distributor assembly for packed tower
05/08/1990US4923753 Porous matrix with absorbed acid, midlayer containing salt of said acid and membrane surrounding the matrix
05/01/1990US4921823 Porous anodic aluminium oxide membrane catalyst support
05/01/1990US4921633 Method of heterogeneous reaction
04/1990
04/19/1990WO1990003875A1 Cold concrete production apparatus
04/17/1990US4917136 Process gas supply piping system
04/10/1990US4916089 Process for the epitaxial production of semiconductor stock material
04/10/1990US4915911 Accurate enzyme-linked immunosorbent assay
04/04/1990EP0361220A1 Process for the preparation of lower sodium polysulfides from higher sodium polysulfides and sodium
04/03/1990US4913196 Fluid injection system pumping methods
04/03/1990US4913192 Gas flow control apparatus
03/1990
03/27/1990US4912071 Heat treatment with mixture od gas oil and aromatic hydrocarbon
03/27/1990US4911195 Valve block assembly
03/27/1990CA1266980A1 Automated systems for introducing chemicals into water or other liquid treatment systems
03/22/1990DE3924663A1 Controlled slow delivery of concn. aq. soln. - via barriers sepd. by fatty materials
03/20/1990US4910008 Gas-gas phase contactor
03/20/1990US4909967 Fluid flow; distributor is positioned in packing
03/13/1990US4908114 Mobile atom insertion reaction, mobile atom transmissive membrane for carrying out the reaction, and reactor incorporating the mobile atom transmissive membrane
03/13/1990US4907891 Feed device for a continuous feed mixer
03/07/1990EP0229050B1 Chemical refill system
02/1990
02/22/1990DE3828201A1 Apparatus for adding chemicals, preferably flocculant aids, to a main liquid stream
02/20/1990US4902484 Heat resistance
02/20/1990US4902418 Element having a porous wall
02/06/1990US4898328 Emanator for volatile liquids
01/1990
01/30/1990US4897359 Apparatus for oxygenating culture medium
01/25/1990WO1990000633A1 Gas supply pipeline system for process equipment
01/24/1990EP0352145A1 Package for dispensing liquids having viscosity compensation means and device therefor
01/24/1990EP0203200B1 Automatic dissolution apparatus
01/16/1990US4894079 Method and apparatus for supplying glass forming raw material
01/10/1990EP0349560A1 Process and device for apportioning powders
01/03/1990EP0349204A2 Use and regeneration of reagents using coupled reactions and permselective barriers
01/02/1990CA1264133A1 Lipid osmotic pump
12/1989
12/28/1989WO1989012536A1 Aggregate drying system with improved aggregate dryer and mass flow apparatus
12/12/1989US4886090 Apparatus for failsafe metering of a fluid
12/06/1989EP0345149A2 Fragrant air supplying method and supplying system
12/06/1989EP0345070A1 Dispensing closure for a fluid container
11/1989
11/28/1989US4883363 Device inter alia for uniformly distributing solid and/or liquid particles, and an assembly comprising such a device
11/16/1989DE3909161A1 Vorrichtung zur gaszufuehrung und -ableitung fuer die gasphasenbearbeitung von werkstuecken Apparatus for gaszufuehrung and outlet for the gas-phase processing of workpieces
10/1989
10/31/1989US4877745 Apparatus and process for reagent fluid dispensing and printing
10/17/1989US4874133 Gas supply and distribution center
10/11/1989EP0191054B1 Methods of and apparatus for vapor delivery control in optical preform manufacture
09/1989
09/26/1989US4869405 Disposable package for dispensing liquids having viscosity compensation means and device therefor
09/26/1989CA1260759A1 Bi-phased fluid pump feeder device, and hydrocarbon production installation using said device
09/12/1989US4866097 Controlled release system
09/12/1989US4865820 Oxidation catalytic reactors; narrow passageways with uniform cross-sections for gas flow above flashback velocity
09/12/1989US4865630 Porous membrane for use in reaction process
09/12/1989US4865067 Fluid consistency regulating pump
08/1989
08/29/1989US4861560 Continuous delivery without pump; gas evolution to generate pressure
08/29/1989US4861459 Low pressure mixing process for atomizing fluids
08/23/1989EP0328786A1 Splash plate liquid distributor
08/22/1989US4859430 Air distribution device
08/22/1989US4859422 Reagent circuit coupled to depressurization reservoir
08/22/1989US4859316 Process and apparatus for withdrawing solids from a vessel
08/22/1989US4858449 Chemical solution dispenser apparatus and method of using
08/15/1989US4857294 Process for the preparation of metal fluorides usable for the production of fluoride glasses
08/15/1989US4856988 High-precision melting and metering assembly for meltable or liquid material
08/08/1989US4855112 High efficiency apparatus for aerosol direct fluorination
07/1989
07/27/1989DE3800788A1 Metering method and metering device for multi-component mixing machines
07/26/1989EP0324811A1 Gas inlet for a plurality of various reaction gases in reaction vessels
07/19/1989EP0151569B1 Process and apparatus for obtaining silicon from fluosilicic acid
07/18/1989US4848387 Method and apparatus for segregated introduction of two liquids into a chemical reactor vessel at a common entry point
07/18/1989US4848248 Tuyere for the introduction of a reaction medium into a hot gas
07/12/1989CN1033753A Gas mixer and distributor for reactor
07/11/1989US4846810 Valve assembly
06/1989
06/27/1989US4842827 Semiconductors
06/27/1989CA1256330A1 Methods of and apparatus for vapor delivery control in optical preform manufacture
06/15/1989DE3740675A1 Method for optimised injection of ammonia into selectively catalytic reactors
06/14/1989EP0320503A2 Automated system for adding multiple fluids to a single container
06/07/1989EP0318656A1 Apparatus for delivering predetermined quantities of a flowable solid
06/07/1989EP0318646A2 Method and apparatus for mixing extinguishing water with a foaming or wetting agent
06/06/1989US4836989 Distribution system for downflow reactors
06/01/1989DE3742414A1 Metering valve
05/1989
05/30/1989CA1254720A1 Method and apparatus for uniformly loading particulate material into cylindrical beds
05/24/1989EP0167175B1 Device for washing a substance present in a field with a washing liquid in several washing steps and for transporting the washing fluid, emerging from said field, after the last washing step to a cuvette
05/24/1989DE3836208A1 Verfahren und vorrichtung zum dosieren einer stroemenden substanz Method and device for dispensing a substance pouring
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