1. Patent application of A3 Abfall Abwasser Anlagentech (Germany), entitled “Frameless plate-shaped filtering member”, Application number WO2004091755 (A1).
2. Patent application of Kubota (Japan) entitled “Submerged cartridge and method of manufacturing same”, Application number EP1728546 (A3).
3. Patent application of Toray Industries (Japan) entitled “Filter Membrane Element and Method for producing Permeated water”, Application number JP2002126464.
4. Patent application of Alfa Laval (Sweden) entitled “Permeate Spacer Module”, Application number WO2006091157 (A1).
5. Patent application of Weise Water Systems (Germany) entitled “Filter pocket”, Application number WO2008055486.