1
Patrick M Handke, John R Starr, Doris Wong: Nasal mask. Respironics, J Stewart Brams, March 10, 1998: US05724965 (331 worldwide citation)

A miniature nasal mask for supplying breathing gas to a human user through an interface with the user's nares, the interface being maintained by a contact seal which engages the user's face only within an area between the tip and immediately adjacent lateral flanks of the user's nose adjacent to the ...


2
Ronald J Zdrojkowski, Frank V Blazek, John Raymond Pujol: Flow regulating valve and method. Respironics, J Stewart Brams, November 11, 1997: US05685296 (204 worldwide citation)

A flow regulating system including a valve and a method for maintaining a constant gas flow rate through a patient circuit to ambient exhaust at varying gas pressure by means of differential gas pressure applied to opposed sides of a valve diaphragm.


3
Eugene N Scarberry, Patrick M Handke: Respiratory mask with floating seal responsive to pressurized gas. Respironics, J Stewart Brams, February 20, 1996: US05492116 (179 worldwide citation)

A respiratory mask adapted to confront the face of a user in a manner to float with respect to the user's face on a cushion of gaseous medium contained within the mask for user breathing, the gaseous medium being contained within the mask by a flexible seal means carried by the mask and maintained i ...


4
Eugene N Scarberry, Patrick M Handke, Mark H Sanders: Pressure application method. Respironics, J Stewart Brams, September 6, 1994: US05343878 (172 worldwide citation)

A method of treating sleep apnea by the novel application of pressure varying from ambient pressure to external portions of a patient's neck, and a novel breathing mask seal apparatus.


5
Eugene N Scarberry, Patrick M Handke: Mask apparatus. Respironics, J Stewart Brams, January 14, 1997: US05592938 (172 worldwide citation)

A method and apparatus for treating obstructive sleep apnea and other disorders by the novel application of pressure varying from ambient pressure to external portions of a patient's neck, and a novel breathing mask and seal apparatus.


6
Ronald J Zdrojkowski: Leak compensation method and apparatus for a breathing system. Respironics, J Stewart Brams, May 24, 1994: US05313937 (163 worldwide citation)

An improved methodology and apparatus for the treatment of sleep apnea through application of alternating high and low level positive airway pressure within the airway of the patient with the high and low airway pressure being coordinated with the spontaneous respiration of the patient.


7
Ronald J Zdrojkowski: Breathing gas delivery method and apparatus. Respironics, J Stewart Brams, May 27, 1997: US05632269 (161 worldwide citation)

An improved methodology and systems for delivery of breathing gas such as for the treatment of obstructive sleep apnea through application of alternating high and low level positive airway pressure within the airway of the patient with the high and low airway pressure being coordinated with the spon ...


8
Mark H Sanders, Ronald J Zdrojkowski: Breathing gas delivery method and apparatus. Respironics, J Stewart Brams, July 18, 1995: US05433193 (159 worldwide citation)

An improved methodology and apparatus for delivery of breathing gas such as fop the treatment of sleep apnea through application of alternating high and low level positive airway pressure within the airway of the patient with the high and low airway pressure being coordinated with the spontaneous re ...


9
Eugene N Scarberry, Patrick M Handke: Respiratory mask with floating seal responsive to pressurized gas. Respironics, J Stewart Brams, August 12, 1997: US05655527 (147 worldwide citation)

A respiratory mask adapted to confront the face of a user in a manner to float with respect to the user's face on a cushion of gaseous medium contained within the mask for user breathing, the gaseous medium being contained within the mask by a flexible seal means carried by the mask and maintained i ...


10
Ronald J Zdrojkowski, Mark Estes: Breathing gas delivery method and apparatus. Respironics, J Stewart Brams, September 8, 1998: US05803065 (123 worldwide citation)

An improved methodology and systems for delivery of breathing gas such as for the treatment of obstructive sleep apnea through application of alternating high and low level positive airway pressure within the airway of the patient with the high and low airway pressure being coordinated with the spon ...