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Class Information
Number: 5/687
Name: Beds > Waterbed or associated device > Integral, unitary bladder structure > With side or internal chamber or bladder
Description: Waterbed with unitary bladder in which the user supporting liquid enclosing structure has a surrounding or internal air or other fluid containing compartment that is integral with the structure, or in which the liquid enclosing structure is divided by an air or other fluid containing compartment into separate and distinct compartments that cannot be removed or replaced relative to each other.










Patents under this class:

Patent Number Title Of Patent Date Issued
7424757 Disposable sleeping bag Sep. 16, 2008
7069609 Inflatable liquid furniture Jul. 4, 2006
7017216 Bladder assembly and method of manufacturing same Mar. 28, 2006
7013513 Waterbed structure Mar. 21, 2006
6035470 Waterbed with an air bag tube having a positioning piece Mar. 14, 2000
5845353 Water bed with internal air filled tubes Dec. 8, 1998
5802739 Complex-contoured tensile bladder and method of making same Sep. 8, 1998
5794287 Water bag of a water bed Aug. 18, 1998
5669091 Structure of water bed Sep. 23, 1997
5490295 Water mattress and air mattress construction Feb. 13, 1996
5367727 Flotation bed with enhanced postural support Nov. 29, 1994
5107557 Waterbed mattress with air cushion Apr. 28, 1992
5072469 Waterbed mattress with air cushion Dec. 17, 1991
5065465 Water mattress for a therapy water bed Nov. 19, 1991
5044030 Multiple layer fluid-containing cushion Sep. 3, 1991
4961237 Device for reducing wave motion in a waterbed mattress Oct. 9, 1990
4901386 Air adjustable water mattress Feb. 20, 1990
4882800 Flotation mattress Nov. 28, 1989
4766629 Ventilated flotation mattress Aug. 30, 1988
4727607 Water bed Mar. 1, 1988
4638518 Water bed mattress Jan. 27, 1987
4615060 Corner chambers for a floatation sleep system Oct. 7, 1986
4558476 Flotation type apparatus and method for supporting a load Dec. 17, 1985
4501036 Floatation sleep system Feb. 26, 1985
4479275 Waterbed mattress with functionally nonredundant inner bladder means for wave attenuation Oct. 30, 1984
4422194 Fluid filled body supporting device Dec. 27, 1983
4349926 Waterbed mattress with inflatable margins Sep. 21, 1982
4310936 Water mattress with internal damping means Jan. 19, 1982
4301560 Waterbed mattress Nov. 24, 1981
4247963 Liquid support construction Feb. 3, 1981
4241465 Waveless waterbed mattress Dec. 30, 1980
4187569 Water mattress construction Feb. 12, 1980
4181990 Perimeter support for a waterbed mattress Jan. 8, 1980
4168555 Water mattress with dampening construction Sep. 25, 1979
4150447 Mattress construction Apr. 24, 1979
4121310 Flotation support system with fluid accumulation means Oct. 24, 1978
4109333 Air stabilized water mattress Aug. 29, 1978
4101995 Water bed mattress Jul. 25, 1978
4094025 Water mattress Jun. 13, 1978
4080676 Water mattress construction Mar. 28, 1978
4079473 Water bed mattress having a fluid support member Mar. 21, 1978
4073021 Differential-pressure flotation cushion Feb. 14, 1978
4068335 Mattress having an upper internal material-containing chamber Jan. 17, 1978
4064579 Waterbed mattress with inflatable margins Dec. 27, 1977
4055867 Mattress having an internal fluid containing chamber Nov. 1, 1977
4038712 Mattress construction Aug. 2, 1977
4006501 Water bed mattress Feb. 8, 1977











 
 
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