1
Elias Klein, Ronald L Wathen, Richard A Ward, Louis C Cosentino, Larry E Fuller, Felix J Martinez: Percutaneous implant for peritoneal dialysis. Renal Systems, Schroeder Siegfried Vidas & Arrett, December 18, 1984: US04488877 (101 worldwide citation)

An implant device for peritoneal dialysis which permits a flexible catheter to be removed and replaced without invasive surgery. The catheter is passed through a substantially rigid tubular percutaneous device and a flexible sleeve member which together form a continuous conduit from the body exteri ...


2
Ronald L Wathen, Steven L Miller: Method and apparatus for purifying fluids. Environmental Water Technology, Ralph B Brick, November 15, 1988: US04784771 (98 worldwide citation)

A method and apparatus for purifying and/or separating fluids including passing such fluid from a feed side of a reverse osmosis unit to the product side of such unit and to an ultimate user during a purifying cycle and recirculating residual fluid back to the feed side in bypass relation to the rev ...


3
Elias Klein, Ronald L Wathen: Apparatus and method for determining serum concentrates of metabolites by monitoring dialysate fluid. The United States of America represented by the Secretary of the Department of Health Education & Welfare, Browdy and Neimark, January 13, 1981: US04244787 (29 worldwide citation)

An apparatus and method are disclosed for monitoring, analyzing and quantitating in real time the concentrations of metabolites in serum by analyzing the dialysate solutions which are being equilibrated with the blood via a hemodialyzer. Thus, access to certain metabolically important species is pro ...


4
Steven L Miler, Ronald L Wathen, Raymond E Palazzo Jr: Fluid purifying apparatus and method of purifying fluids. Environmental Water Technology, May 21, 1991: US05017284 (21 worldwide citation)

A liquid purification arrangement comprising a housing having an ambient inlet and lineally extending exhaust passage between the housing wall and a drain pan, the housing having a liquid inlet and outlet for a liquid system disposed within the housing which system includes a pump to move the liquid ...


5
Steven L Miller, Ronald L Wathen, Raymond E Palazzo Jr: Fluid purifying apparatus and method of purifying fluids. Environmental Water Technology, Polster Polster & Lucchesi, October 1, 1991: US05053143 (8 worldwide citation)

A fluid purification system including a filter membrane, a down stream storage receptacle and a down stream tap for the fluid, the system further including ultra violet microbial reduction treating circuits upstream the storage receptacle and a microbial reduction treating circuit downstream the sto ...


6
Steven L Miller, Ronald L Wathen, Raymond E Palazzo Jr: Fluid purifying apparatus and method of purifying fluids. Environmental Water Technology, Polster Polster Lucchesi, August 27, 1991: US05043066 (5 worldwide citation)

In a fluid purification arrangement for a reverse osmosis treatment system which system includes a ported header with spaced port connections, a fluid impervious treatment container with at least one compartment and a matching ported header mounted thereto to permit connection of the treatment conta ...


7
Steven L Miller, Ronald L Wathen, Raymond E Palazzo Jr: Fluid purifying apparatus and method of purifying fluids. Environmental Water Technology, Polster Polster & Lucchesi, December 31, 1991: US05076913 (4 worldwide citation)

In a liquid purification system, a plenum defining walled housing including a blower and walled drain receptacle having protuberances to space the receptacle from the housing wall to define a lineally extending exhaust passage therebetween sized to provide sound baffling and air exhaustion, the hous ...


8
Steven L Miller, Ronald L Wathen, Raymond E Palazzo Jr: Fluid purifying apparatus and method of purifying fluids. Environmental Water Technology, Polster Polster & Lucchesi, December 3, 1991: US05069785 (4 worldwide citation)

A bag assembly for storing fluids including first and second placket members sized and shaped to provide a portion of enclosing walls of at least two bag members having at least one fluid inlet and outlet passage and a communicating passage therebetween with a common seam along the surrounding edges ...


9
Steven L Miller, Ronald L Wathen, Raymond E Palazzo Jr: Fluid purifying apparatus and method of purifying fluids. Environmental Water Technology, Polster Polster & Lucchesi, December 10, 1991: US05071548 (3 worldwide citation)

A fluid control mechanism for a fluid control system including a flexible fluid conduit with first and second gripping members to grip the conduit at preselected first and second locations, the gripping members being relatively movable to flex the conduit from a preselected minimum arc position to a ...


10
Steven L Miller, Ronald L Wathen, Raymond E Palazzo Jr: Fluid purifying apparatus and method of purifying fluids. Environmental Water Technology, Polster Polster & Lucchesi, August 13, 1991: US05039411 (2 worldwide citation)

In a fluid storage arrangement for a fluid storage system including a plenum defining housing having a collapsible - expansible fluid impervious storage bag and a planar switch responsive to preselected positions of the storage bag to control the volume of fluid flow to the bag, the switch including ...



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