X-Flow B.V.
24Patents
12Active
24Granted
41Portfolio score
Filing activity: Sep 21, 1987 → Sep 3, 2019 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5076925A | Process for preparing a microporous membrane and such a membrane | Performing Operations; Transporting | 100 | Expired |
| US5456843A | Microfiltration and/or ultrafiltration membrane, method of preparation and method of filtration by means of such a membrane | Performing Operations; Transporting | 30 | Expired |
| US4798847A | Process for the preparation of hydrophilic membranes and such membranes | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5560828A | Method for the removal of components causing turbidity, from a fluid, by means of microfiltration | Performing Operations; Transporting | 14 | Expired |
| US6251275A | Membrane filtration module and membrane filtration system | Performing Operations; Transporting | 11 | Expired |
| USRE34296E | Process for the preparation of hydrophilic membranes and such membranes | General | 8 | Expired |
| US6203699A | Filtration membrane module | Performing Operations; Transporting | 5 | Expired |
| US5207908A | Semi-permeable composite membrane and process for manufacturing same | Performing Operations; Transporting | 5 | Expired |
| US8393479B2 | Method for the production of tubular membranes | Textiles; Paper | 4 | Active |
| US8393477B2 | Filter medium | Performing Operations; Transporting | 3 | Active |
| US8801867B2 | Method for cleaning filter membranes | Chemistry; Metallurgy | 3 | Active |
| USD669960S1 | Bypass ring for water filtration modules | General | 3 | Active |
| US5274047A | Semipermeable composite membrane, a process for the manufacture thereof, as well as application of such membranes for the separations of components in an organic liquid phase or in the vapor phase | Chemistry; Metallurgy | 2 | Expired |
| US8889824B2 | Grafted poly(arylsulfone) and a process for grafting a poly(arylsulfone) | Performing Operations; Transporting | 2 | Active |
| US6846414B2 | Membrane filtration element having sleeve element and socket members | Performing Operations; Transporting | 1 | Expired |
| US11179679B2 | Tubular membrane with a helical ridge, as well as a method and apparatus for producing such a tubular membrane | Performing Operations; Transporting | 1 | Active |
| US9950299B2 | Apparatus and process for the separation of a particulate matter from a fluid | Performing Operations; Transporting | 1 | Active |
| US5338455A | Process for the separation of components in an organic liquid medium and a semi-permeable composite membrane therefor | Chemistry; Metallurgy | 1 | Expired |
| US5169575A | Method for producing a flat porous product | Chemistry; Metallurgy | 1 | Expired |
| US10399038B2 | Tubular membrane with a helical ridge, as well as a method and apparatus for producing such a tubular membrane | Performing Operations; Transporting | 1 | Active |
| US9504964B2 | Filtration method for operating a filtration module with gas feed at its permeate side to prevent backflow of permeate | Performing Operations; Transporting | 0 | Active |
| US10391453B2 | End cap filtration module, filtration module and filtration system | Performing Operations; Transporting | 0 | Active |
| US10266439B2 | Method for cleaning membranes and an inlet side of a membrane filtration module of an apparatus having a bioreactor and membrane filtration module for treatment of an incoming fluid | Emerging Cross-Sectional Technologies | 0 | Active |
| US8227396B2 | Method for cleaning processing equipment selected from the group consisting of filters | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.