Assignee
OSMONICS INC
US22 patents
Top patents by PatentIndex Score
US6056903AMay 2, 2000
Preparation of polyethersulfone membranes
OSMONICS INC57 citations94
US4846970AJul 11, 1989
Cross-flow filtration membrane test unit
OSMONICS INC165 citations94
US4781830ANov 1, 1988
Cross flow filtration apparatus and closure assembly therefor
OSMONICS INC56 citations93
US6132858AOct 17, 2000
Membrane coated paper
OSMONICS INC22 citations92
US5759639AJun 2, 1998
Method of fabricating a membrane coated paper
OSMONICS INC23 citations92
US4981418AJan 1, 1991
Internally pressurized bellows pump
OSMONICS INC47 citations92
US6481293B1Nov 19, 2002
Elbow mounted turbine flowmeter
OSMONICS INC25 citations91
US6193077B1Feb 27, 2001
Non-cracking hydrophilic polyethersulfone membranes
OSMONICS INC38 citations91
US6938781B2Sep 6, 2005
Three-dimensional non-woven filter
OSMONICS INC20 citations90
US6916395B2Jul 12, 2005
Process for making three-dimensional non-woven media
OSMONICS INC20 citations90
US5227062AJul 13, 1993
Adjustable flow control for fluid separation system comprising relatively moveable orifice plates
OSMONICS INC41 citations90
US4839037AJun 13, 1989
Tapered, spirally wound filter cartridge and method of making same
OSMONICS INC87 citations90
US5340479AAug 23, 1994
Depth filter cartridge and method and apparatus for making same
OSMONICS INC69 citations89
US6358417B1Mar 19, 2002
Non-woven depth filter element
OSMONICS INC23 citations86
US6987150B2Jan 17, 2006
Modified sulfonamide polymers
OSMONICS INC12 citations83
US4741823AMay 3, 1988
Flow control manifold for cross-flow membrane system
OSMONICS INC30 citations83
US6227802B1May 8, 2001
Multistage centrifugal pump
OSMONICS INC28 citations80
US5345857ASep 13, 1994
Thermoplastic bellows and method of forming the same
OSMONICS INC30 citations80
US5258165ANov 2, 1993
Multi-tube ozone generator and method of making same
OSMONICS INC19 citations79
US4983104AJan 8, 1991
Bellows-type pump
OSMONICS INC12 citations73
US4442004AApr 10, 1984
Biasing arrangement and filter unit for a filtering apparatus
OSMONICS INC25 citations73
US6465050B2Oct 15, 2002
Non-cracking hydrophilic polyethersulfone membranes
OSMONICS INC2 citations61