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Inventor

Steven Kristian Pedersen

Inventor
Burlington, CA

Overview

45→
Patents
1993–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 45 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B01Dprimary
B01DSeparation36%
C02FTreatment of water, waste water, sewage, or sludge25%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
B29CShaping or joining of plastics5%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts2%
Y02ATechnologies for adaptation to climate change2%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution2%
B01FMixing, e.g. dissolving, emulsifying or dispersing2%
B29LIndexing scheme associated with subclass b29c, relating to particular articles2%
PatentTitleYear
10,781,119Membrane assembly for supporting a biofilm202010,633,263Conversion of media filter into membrane gravity filter202010,160,679Wastewater treatment with primary treatment and MBR or MABR-IFAS reactor201810,137,619Header for module of hollow fiber membranes and method of potting hollow fibers20189,643,129'Non-braided, textile-reinforced hollow fiber membrane'20179,321,014'Hollow fiber membrane with compatible reinforcements'20169,221,020'Method to make yarn-reinforced hollow fiber membranes around a soluble core'20159,061,250'Non-braided, textile-reinforced hollow fiber membrane'20158,999,454'Device and process for producing a reinforced hollow fibre membrane'20158,864,990'Header for module of hollow fiber membranes and method of potting hollow fibers'20148,852,438'Membrane filtration module with adjustable header spacing'20148,075,776'Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes'20117,708,888'Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes'20107,537,701'Membrane filtration module with adjustable header spacing'20097,393,486'Header for module of hollow fiber membranes and method of potting hollow fibers'20087,300,582'Immersed membrane apparatus'2007RE039294'Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate'20067,087,173'Inverted cavity aerator for membrane module'20067,063,788'Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes'20067,052,610'Immersed membrane filtration system and overflow process'20067,037,426'Immersed membrane apparatus'20067,022,231'Apparatus incorporating potted hollow fiber membranes'20067,014,173'Cyclic aeration system for submerged membrane modules'20066,964,741'Apparatus for withdrawing permeate using an immersed vertical skein of hollow fiber membranes'20056,908,547'Membrane module for gas transfer and membrane supported biofilm process'20056,899,811'Immersed membrane apparatus'20056,893,568'Immersed membrane filtration system and overflow process'20056,878,276'Methods of making stretched filtering membranes and modules'20056,790,360'Immersed membrane element and module'20046,708,957'Moving aerator for immersed membranes'20046,685,832'Method of potting hollow fiber membranes'20046,682,652'Apparatus for withdrawing permeate using an immersed vertical skein of hollow fiber membranes'20046,645,374'Membrane module for gas transfer and membrane supported biofilm process'20036,592,759'Gel potting method and method to reduce twinning for filtering hollow fiber membranes'20036,558,549'Membrane module for gas transfer and membrane supported biofilm process'2003RE037549'Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate'20026,325,928'Immersed membrane element and module'20016,214,231'System for operation of multiple membrane filtration assemblies'20016,193,890'System for maintaining a clean skein of hollow fibers while filtering suspended solids'20015,944,997'System for maintaining a clean skein of hollow fibers while filtering suspended solids'19995,639,373'Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate'19975,366,625'Cartridge of hybrid unitary wafers of hollow fiber membranes and module containing a stack of post-potted cartridges'19945,248,424'Frameless array of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate'19935,232,593'Cartridge of hollow fiber membrane wafers and module containing stacked cartridges'19935,182,019'Cartridge of hybrid frameless arrays of hollow fiber membranes and module containing an assembly of cartridges'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2006Patents assigned to ZENON ENVIRONMENTAL INC (28)· patent assignee history
1993–2020Based in Burlington, CA· patent location history
1994–2005Based in Ontario, CA· patent location history
2002Based in Mississauga, CA· patent location history
2007–2014Patents assigned to ZENON TECHNOLOGY PARTNERSHIP (7)· patent assignee history
2011–2016Patents assigned to PEDERSEN STEVEN KRISTIAN (7)· patent assignee history
2015–2020Patents assigned to BL TECHNOLOGIES INC (7)· patent assignee history
2015–2020Patents assigned to GEN ELECTRIC (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ZENON ENVIRONMENTAL INC281993–2006
BL TECHNOLOGIES INC72015–2020
PEDERSEN STEVEN KRISTIANself72011–2016
ZENON TECHNOLOGY PARTNERSHIP72007–2014
GEN ELECTRIC32015–2020
Locations
LocationPatentsSpan
Burlington, CA421993–2020
Ontario, CA21994–2005
Mississauga, CA12002