Patent assignee · US · COMPANY

ZENON TECHNOLOGY PARTNERSHIP

42Patents
28Active
42Granted
47Portfolio score

Filing activity: Jul 20, 2000 → Feb 27, 2015 · 19 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7186343B2 Cyclic aeration system for submerged membrane modules Emerging Cross-Sectional Technologies 58 Expired
US7169295B2 Supported biofilm apparatus and process Emerging Cross-Sectional Technologies 55 Expired
US7118672B2 Membrane supported bioreactor for municipal and industrial wastewater treatment Emerging Cross-Sectional Technologies 49 Expired
US7303677B2 Supported biofilm process Emerging Cross-Sectional Technologies 37 Expired
US7303676B2 Supported biofilm apparatus and process Emerging Cross-Sectional Technologies 37 Expired
US7300571B2 Supported biofilm apparatus Emerging Cross-Sectional Technologies 37 Expired
US7175763B2 Membrane supported biofilm process for autotrophic reduction Emerging Cross-Sectional Technologies 37 Expired
US7294259B2 Membrane module for gas transfer Emerging Cross-Sectional Technologies 34 Expired
US7879229B2 Water treatment plant with immersed membranes Performing Operations; Transporting 16 Expired
US7790034B2 Apparatus and method for treating FGD blowdown or similar liquids Emerging Cross-Sectional Technologies 15 Active
US7699985B2 Process for providing oxygen to a liquid Emerging Cross-Sectional Technologies 12 Active
US7459076B2 Flow-through aerobic granulator Emerging Cross-Sectional Technologies 12 Active
US7550087B2 Apparatus and method for treating FGD blowdown or similar liquids Emerging Cross-Sectional Technologies 11 Active
US7198721B2 Cyclic aeration system for submerged membrane modules Emerging Cross-Sectional Technologies 10 Expired
US7820050B2 Cyclic aeration system for submerged membrane modules Emerging Cross-Sectional Technologies 9 Active
US7537701B2 Membrane filtration module with adjustable header spacing Emerging Cross-Sectional Technologies 9 Active
US8114293B2 Method of operating a water treatment plant with immersed membranes Performing Operations; Transporting 7 Active
US7347942B2 Cyclic aeration system for submerged membrane modules Emerging Cross-Sectional Technologies 7 Active
US8075776B2 Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes Emerging Cross-Sectional Technologies 7 Expired
US8163181B2 Apparatus and method for treating FGD blowdown or similar liquids Emerging Cross-Sectional Technologies 6 Active
US7922910B2 Cyclic aeration system for submerged membrane modules Emerging Cross-Sectional Technologies 6 Active
US9433903B2 Gas sparger for a filtering membrane Emerging Cross-Sectional Technologies 5 Active
USRE42669E1 Vertical cylindrical skein of hollow fiber membranes and method of maintaining clean fiber surfaces General 5 Expired
US7708888B2 Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes Emerging Cross-Sectional Technologies 4 Active
US7300582B2 Immersed membrane apparatus Chemistry; Metallurgy 4 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.