1
Theodore B Hill, Edward A Radtke, Robert A Schneider, James A Bixby: Portable oxygen concentration system and method of using the same. SeQual Technologies, Teijin, Procopio Cory Hargreaves & Savitch, November 25, 2003: US06651658 (161 worldwide citation)

The present invention is directed to a portable oxygen concentrator system adapted to be transported by a user. The portable oxygen concentrator system includes an energy source, an air separation device powered by the energy source and adapted to convert ambient air into concentrated oxygen gas for ...


2
William Scot Appel, David Phillip Winter, Brian Kenneth Sward, Masato Sugano, Edmund Salter, James A Bixby: Portable oxygen concentration system and method of using the same. SeQual Technologies, Teijin, Procopio Cory Hargreaves & Savitch, February 17, 2004: US06691702 (147 worldwide citation)

A portable oxygen concentrator system adapted to be readily transported by a user includes a rechargeable energy source and a concentrator powered by the energy source. The concentrator converts ambient air into concentrated oxygen gas for the user and includes a plurality of adsorption beds and a r ...


3
Theodore B Hill, Edward A Radtke, Robert A Schneider, James A Bixby: Portable oxygen concentration system and method of using the same. SeQual Technologies, Procopio Cory Hargreaves & Savitch, October 7, 2003: US06629525 (119 worldwide citation)

The present invention is directed to a portable oxygen concentrator system adapted to be transported by a user. The portable oxygen concentrator system includes an energy source, an air separation device powered by the energy source and adapted to convert ambient air into concentrated oxygen gas for ...


4
Charles C Hill, Theodore B Hill: Fluid fractionator. Sequal Technologies, Ellsworth R Roston, Charles H Schwartz, January 14, 1997: US05593478 (105 worldwide citation)

A rotary valve at the inlets of a plurality of columns cyclically (1) selects first columns on a cyclic basis to receive compressed air, adsorb nitrogen and other components in the compressed air and pass oxygen and argon to a user (e.g. patient), second columns to desorb the adsorbed components in ...


5
Scott C Honkonen, Theodore B Hill, Charles C Hill, Graham Walker: Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator. SeQual Technologies, Teijin, Procopio Cory Hargreaves & Savitch, March 2, 2004: US06698423 (98 worldwide citation)

The present invention is directed to a much safer and less expensive way of providing portable oxygen from a gas concentrator for patients who do not want to be tied to a stationary machine or restricted by present oxygen technology. The present invention involves a home liquid oxygen ambulatory sys ...


6
Scott C Honkonen, Theodore B Hill, Charles C Hill, Graham Walker: Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator. Sequal Technologies, Lyon & Lyon, November 9, 1999: US05979440 (92 worldwide citation)

The present invention is directed to a much safer and less expensive way of providing portable oxygen from a gas concentrator for patients who do not want to be tied to a stationary machine or restricted by present oxygen technology. In one preferred embodiment, the present invention splits off some ...


7
Scott C Honkonen, Theodore B Hill, Charles C Hill, Graham Walker: Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator. SeQual Technologies, Teijin, Procopio Cory Hargreaves & Savitch, January 27, 2004: US06681764 (81 worldwide citation)

A control system for a home ambulatory liquid oxygen system having an oxygen concentrator, condenser, cryocooler, a heater and a storage dewar, includes an oxygen concentration sensor which senses the concentration of oxygen gas generated by the oxygen concentrator and generates a first signal in re ...


8
Charles C Hill, Theodore B Hill: Fluid fractionator. SeQual Technologies, Ellsworth R Fulwider Patton Lee & Utecht Roston, March 24, 1998: US05730778 (71 worldwide citation)

A rotary valve at the inlets of a plurality of columns cyclically (1) selects first columns on a cyclic basis to receive compressed air, adsorb nitrogen and other components in the compressed air and pass oxygen and argon to a user (e.g. patient), second columns to desorb the adsorbed components in ...


9
Theodore B Hill, Charles C Hill, Adam C Hansen: Rotary valve assembly for pressure swing adsorption system. Sequal Technologies, Lyon & Lyon, November 6, 2001: US06311719 (71 worldwide citation)

The present invention relates to a rotary valve assembly for a pressure swing adsorption system. The rotary valve assembly includes a first valve member and a second valve member relatively rotatable about a common center of rotation to provide valving action for selectively transferring fluids ther ...


10
Scott C Honkonen, Theodore B Hill, Charles C Hill, Graham Walker: Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator. SeQual Technologies, Teijin, Procopio Cory Hargreaves & Savitch, November 25, 2003: US06651653 (69 worldwide citation)

The present invention is directed to a much safer and less expensive way of providing portable oxygen from a gas concentrator for patients who do not want to be tied to a stationary machine or restricted by present oxygen technology. In one preferred embodiment, the present invention splits off some ...