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Philip Rodney Kwok, Robert Edward Styles: Nasal mask and mask cushion therefor. ResMed, Holland & Hart, September 5, 2000: US06112746 (330 worldwide citation)

A nasal cushion (30) comprises a substantially triangularly shaped frame (32) from which extends a membrane (34). The frame (32) has a scalloped edge (36) by which the cushion (30) is affixed to a mask body. The membrane (34) has an aperture (38) into which the wearer's nose is received. The membran ...


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Malcolm Hebblewhite, Philip Rodney Kwok, Robert Edward Styles, John William Ernest Brydon: Humidifier. ResMed, Holland & Hart, October 24, 2000: US06135432 (59 worldwide citation)

A humidifier for producing humidified air, particularly for use with a continuous positive air pressure device. The humidifier has an air inlet and outlet. An elongate passageway extending between the air inlet and the air outlet. The passageway is adapted to be partially filled with water so that a ...


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Philip Rodney Kwok, Robert Edward Styles: Nasal mask cushion assembly. ResMed, Nixon & Vanderhye P C, March 29, 2005: US06871649 (49 worldwide citation)

A nasal cushion (30) comprises a substantially triangularly shaped frame (32) from which extends a membrane (34). The frame (32) has a scalloped edge (36) by which the cushion (30) is affixed to a mask body. The membrane (34) has an aperture (38) into which the wearer's nose is received. The membran ...


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Malcolm Hebblewhite, Philip Rodney Kwok, Robert Edward Styles, John William Ernest Brydon: Humidifier. ResMed, Pillsbury Winthrop, January 15, 2002: US06338473 (34 worldwide citation)

A humidifier for producing humidified air, particularly for use with a continuous positive air pressure device. The humidifier has an air inlet and outlet. An elongate passageway extending between the air inlet and the air outlet. The passageway is adapted to be partially filled with water so that a ...


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Perry David Lithgow, Robert Edward Styles, Zdzislaw Antoni Ziolkowski, Philip Rodney Kwok: Forehead support for facial mask. Resmed, Nixon & Vanderhye P C, November 10, 2009: US07614400 (31 worldwide citation)

The present invention discloses an adjustable forehead support for a nasal or full-face mask wherein the forehead support may be adjusted for the different shapes and sizes of a facial profile. The forehead support utilizes a dual-arm system that adjusts the position of the forehead support vis-รก-vi ...