Patents
Patents for B01D 63 - Apparatus in general for separation processes using semi-permeable membranes (15,233)
06/1991
06/12/1991CN1052056A Condenser/membrane permeater
05/1991
05/31/1991CA2026710A1 Condenser/membrane permeater
05/28/1991US5019252 Portable water purifier
05/28/1991US5019140 Irradiated expanded polytetrafluoroethylene composites, and devices using them, and processes for making them
05/28/1991US5019139 For A Mass Spectrometer
05/28/1991CA1284460C Mass transfer device
05/22/1991EP0396684A4 Cross-flow filtration device and method of making
05/22/1991CN1051519A Improved membrane seporation system and method of operation
05/21/1991US5017293 Multi-pass blood washing and plasma removal device and method
05/15/1991EP0427569A2 Multi-concentration disposable liquid concentrating device
05/15/1991EP0427376A2 Membrane separation system and method of operation
05/14/1991US5015388 A microporous membrane sheet for filtration and a means for evacuation
05/14/1991US5015376 Semi-rigid enhanced area filter element
05/14/1991US5015374 Closure cap for dialyzers
05/14/1991US5015269 Semipermeable membranes, hollow fibers in foamed plastics for gas separation
05/14/1991US5014564 Eccentric drive mechanism
05/09/1991CA2020631A1 Membrane separation system and method of operation
05/07/1991US5013446 Beads, rotating blade
05/07/1991US5013437 Hollow fiber membrane fluid separation device adapted for boreside feed which contains multiple concentric stages
05/07/1991US5013331 Permeator with selectable flow rates
05/02/1991WO1991005600A1 Filter device with radial and axial flow subassemblies
05/02/1991WO1991005595A1 Method and apparatus for producing hollow yarn film knitted article
05/02/1991WO1991005593A1 Membrane filter with spacerless feed channel
05/02/1991EP0424439A1 Apparatus and method for the autotransfusion of blood.
04/1991
04/30/1991US5011555 Method of ultrasonically cutting and sealing thermoplastic workpieces particularly a filter
04/30/1991CA1283625C Multicompartment cell with inner membrane tubes and end closures
04/27/1991WO1991006327A1 Blood oxygenation system
04/27/1991CA2071850A1 Blood oxygenation system
04/24/1991EP0423871A1 Apparatus for diaphragm filtration
04/24/1991EP0423857A1 Process for making a channel plate with paralleled plates, device for carrying out the process
04/24/1991EP0423609A1 Stack of filters for fitting in a cross flow fluid filter device
04/24/1991EP0423527A1 Device for the separation of mixtures with stacked membranes spaced from each other
04/24/1991EP0423369A1 Antithrombotic blood treating system
04/24/1991CN2075539U Mother baby super filter
04/23/1991US5009781 Cross-flow filtration device with filtrate network and method of forming same
04/23/1991US5009780 Multi-well filtration apparatus
04/18/1991WO1991004784A1 Tubular membrane module
04/18/1991WO1991004758A1 Cylindrical blood heater/oxygenator
04/18/1991DE4030657A1 Membrane sepn. for mixts. of materials - using membrane elements stacked between inner- and outer-rings
04/18/1991CA2027752A1 Apparatus for separation of mixtures with stacked diaphragm elements spaced from each other
04/17/1991EP0422137A1 Spiral filter.
04/16/1991US5008012 A casing with a bundle of equal length porous hollow fibers disposed inside; kinetics, anticoagulants
04/10/1991EP0420847A1 Membrane filtration apparatus and method of making a membrane filtration unit
04/09/1991US5006253 Inducing the fluid flow by depressurization; nondeforming, cleaning
04/09/1991US5006229 Method of manufacturing a unit assembly of filter membranes, a mold used in the method, and a product obtained from the method
04/04/1991WO1991004089A1 Method and device for filtering and processing fluids
04/03/1991EP0420765A2 Blood plasma-separating membrane and blood plasma separator using the membrane
04/02/1991US5004542 Filter membrane with flexure
04/02/1991CA1282345C Variable volume filter or concentrator
03/1991
03/30/1991WO1991004783A1 Filter cartridge manifold
03/30/1991CA2042405A1 Filter cartridge manifold
03/27/1991EP0419234A2 Cell culture apparatus
03/27/1991EP0419007A1 Countercurrent dehydration by hollow fibers
03/27/1991EP0418883A1 Separation of fluids using polyimidesiloxane membrane
03/26/1991US5002668 Housing containing a penetrable membrane sealing an evacuation outlet
03/26/1991US5002667 Fluid fractionating, stacked permeable membrane envelope assembly, and a fluid distributing and permeable membrane sealing collar
03/26/1991US5002590 Gases, support fibers of high air permeability
03/26/1991US5002054 Interstitial filtration and collection device and method for long-term monitoring of physiological constituents of the body
03/22/1991CA2025813A1 Separation of fluids using polyimidesiloxane membrane
03/20/1991EP0418063A1 Flat stack permeator module
03/19/1991US5000855 Transverse sheet membrane separation module, components thereof and related methods
03/19/1991US5000848 Rotary filtration device with hyperphilic membrane
03/16/1991CA2024974A1 Flat stack permeator
03/13/1991CN1011944B Ultrafiltration apparatus
03/12/1991US4999107 Separator frame for a two-fluid exchanger device
03/12/1991CA1281295C Quick change reverse osmosis assembly
03/05/1991US4997565 Laboratory scale ultrafiltration apparatus
03/05/1991US4997564 Hollow fiber ultrafiltration replacement cartridge
02/1991
02/27/1991EP0414515A2 Multi-pass blood washing and plasma removal device and method
02/27/1991EP0414367A1 Transverse sheet membrane separation module, components thereof and related methods
02/27/1991EP0414082A1 Filter element for treating liquid
02/27/1991EP0221107B1 Rotor drive for medical disposables
02/27/1991CN1049511A Closed loop gas dehydration process and apparatus
02/26/1991US4995977 Apparatus for filtering and separating flow medium
02/26/1991US4995967 Separator for cell-containing liquids
02/26/1991CA1280577C Apparatus for exchanging ions, molecules, gas, liquid and/or heat between fluids
02/25/1991CA2023738A1 Multi-pass blood washing and plasma removal device and method
02/21/1991WO1991001796A1 Orbital/oscillation filtration system with no rotary seal
02/21/1991WO1991001787A1 Chromatographic gel contactor and process
02/20/1991EP0413265A2 Transparent, steam-sterilisable, compact polyurethane casting materials, process for their preparation and their use, in particular for medical technical articles
02/20/1991EP0413060A1 Closed loop gas dehydration process and apparatus
02/19/1991US4994189 Frequency of oscillatory fluid flow adjustable to enhance molecular diffusion of selected solutes
02/19/1991US4994188 Adaptive filtrate flow control system using controlled reduction in filter efficiency
02/19/1991US4994184 Ultrafiltration device and process
02/19/1991CA2023523A1 Transparent, steam sterilizable, noncellular polyurethane compositions, a process for their preparation and their use especially for medicinal articles
02/18/1991WO1991002555A1 Method and apparatus for effecting the transfer of heat or mass through a membrane involving the use of vortices
02/18/1991CA2059539A1 Method and apparatus for effecting the transfer of heat or mass through a membrane involving the use of vorticles
02/17/1991CA2007917A1 Closed loop gas dehydration process and apparatus
02/13/1991CN1011577B Concentration of solids in suspension
02/12/1991US4992177 Tubular filtration module and system with flow distributor and improved method of separation
02/12/1991US4992170 Reverse osmosis filter cartridge assembly
02/05/1991US4990256 Method, device and filter module for the filtration of liquids in cross-flow operation
02/05/1991US4990251 Resilient sealing ring
02/05/1991US4990248 Reverse osmosis apparatus
02/05/1991US4990230 Sealing frames, membranes, end plates; electrodialysis
02/05/1991US4990206 Method of welding tube ends onto a tube sheet
01/1991
01/30/1991CN1011385B Method and apparatus for osmotic distillation
01/29/1991US4988525 Process for selective removal of volatile substances from liquids, as well as unit and device for carrying out the process
01/29/1991US4988445 Spiral wound filtration system and method of utilizing same
01/24/1991WO1991000766A1 Jig and device for filtration