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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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Philip Rodney Kwok, Willedwin John Grant, Robert Stephen Matchett: Forehead support for facial mask. Resmed, Pillsbury Madison & Sutro, September 19, 2000: US06119693 (299 worldwide citation)

An adjustable forehead support for a nasal mask. 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 which adj ...


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Philip Rodney Kwok, Kenneth Frederick Hely, Jakob Walter Bruderer, Colin Edward Sullivan: Mask and harness assembly. ResMed, Holland & Hart, April 4, 2000: US06044844 (188 worldwide citation)

A mask and harness assembly (10). The assembly (10) includes a mask (12) a harness (14) including at least one strap (16) connected to the mask (12) and at least one fluid delivery tube (18) connected to, and in fluid communication with, the mask (12). The strap(s) (16) and the tube(s) (18) being ad ...


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Philip Rodney Kwok, Willedwin John Grant, Robert Stephen Matchett: Forehead support for facial mask. ResMed, Pillsbury Winthrop, October 15, 2002: US06463931 (108 worldwide citation)

An adjustable forehead support for a nasal mask. 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 which adj ...


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Perry David Lithgow, Robert Henry Frater, Joanne Elizabeth Drew, Memduh Guney, Timothy Tsun Fai Fu, Philip Rodney Kwok, Donald Darkin: Cushion for a respiratory mask assembly. ResMed, Nixon & Vanderhye PC, April 28, 2009: US07523754 (100 worldwide citation)

A respiratory mark assembly for delivering breathable gas to a patient includes a frame and a cushion. The cushion has a non-face contacting portion structured to be connected to the frame, a face-contacting portion structured to engage the patient's face, and an intermediate portion that interconne ...


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