1
David T Davis: Inflatable medical patient transfer apparatus. Charles A Wilkinson, June 13, 2000: US06073291 (113 worldwide citation)

An improved inflatable medical patient transfer apparatus has a combination of transverse partition members and a raised perimeter section to reduce deleterious ballooning and uneven inflation as well as quick emergency deflation and provide additional security for a patient supported upon such tran ...


2
Robert E Weedling, William R Swallen, Raynor Johnson, Jack Wegener, David T Davis: Air chamber type patient mover air pallet with multiple control features. Sughrue Mion Zinn Macpeak & Seas, November 26, 1991: US05067189 (84 worldwide citation)

Air chamber-type air pallets incorporate side-to-side linked air pressurized tubes or chambers in two integrated rows, having common members for adjacent chambers under air pressurization rendered rigid over a certain extent to rigidify the air chambers thereof which form load backing chambers in pl ...


3
David T Davis: Double chambered air mattress. Duane Morris, September 19, 2006: US07107641 (24 worldwide citation)

A double chambered transfer mattress is provided capable of partial deflation that that includes a top inflatable mattress and a bottom inflatable mattress that are separated by a common wall from one another. A selectable inlet/outlet valve is arranged for airflow communication between an interior ...


4
David T Davis: Inflatable transfer mattress. Woodlark Circle, Duane Morris, September 11, 2007: US07266852 (22 worldwide citation)

An inflatable mattress having an inflated torso support pad, a first leg extending out from a first portion of the inflated torso support pad, and a second leg spaced from the first leg and extending out from a second portion of the inflated torso support pad. The first leg and the second leg define ...


5
David T Davis: Air mattress with single perimeter seam. Woodlark Circle, Duane Morris, May 31, 2005: US06898809 (20 worldwide citation)

A transfer mattress is provided including a top sheet having a width, a length, and longitudinally oriented peripheral edges and a bottom sheet having the same width, the same length, longitudinally oriented peripheral edges and a plurality of perforations. The longitudinally oriented peripheral edg ...


6
David T Davis: Double chambered air mattress. Woodlark Circle, Duane Morris, July 28, 2009: US07565709 (16 worldwide citation)

A double chambered transfer mattress is provided capable of partial deflation that that includes a top inflatable mattress and a bottom inflatable mattress that are separated by a common wall from one another. A selectable inlet/outlet valve is arranged for airflow communication between an interior ...


7
David T Davis: Double chambered air mattress. Woodlark Circle, Duane Morris, May 27, 2008: US07376995 (15 worldwide citation)

A double chambered transfer mattress is provided capable of partial deflation that includes a top inflatable mattress and a bottom inflatable mattress that are separated by a common wall from one another. A selectable inlet/outlet valve is arranged for airflow communication between an interior chamb ...


8
David T Davis: Partially deflatable transfer mattress and method for transporting a patient in comfort. Woodlark Circle, Duane Morris, December 8, 2009: US07627910 (14 worldwide citation)

A transfer mattress includes an upper mattress having three longitudinally oriented plenums and three separate inlet/outlet valves that are each arranged in airflow communication with their respective plenum. First and second of the plenums are arranged in airflow communication with one another whil ...


9
David T Davis: Inflatable mattress and method for positioning a patient. Woodlark Circle, Duane Morris, August 18, 2009: US07574761 (12 worldwide citation)

An inflatable mattress having an inflated torso support pad, a first leg extending out from a first portion of the inflated torso support pad, and a second leg spaced from the first leg and extending out from a second portion of the inflated torso support pad. The first leg and the second leg may be ...


10
David T Davis: Single patient, personal use air mattress having a single perimeter seam. Woodlark Circle, Duane Morris, May 11, 2010: US07712170 (11 worldwide citation)

A single patient, personal use patient transfer mattress is provided including at least a substantially permanently stainable top sheet having a width, a length, and longitudinally oriented peripheral edges and a bottom sheet having the same width, the same length, longitudinally oriented peripheral ...