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Class Information
Number: 5/683
Name: Beds > Waterbed or associated device > Having baffle means > Hydraulic chambers
Description: Waterbed with baffle in which the baffle structure comprises a plurality of apertured sheets that divide the interior of the bladder into a plurality of compartments or enclosures, into and out of which liquid enters and exits as a user gets on or off, or moves on the top, supporting surface of the bladder.

Patents under this class:

Patent Number Title Of Patent Date Issued
6880190 Controlled pressure and flotation system Apr. 19, 2005
6553591 Fluid-containing body support air cushion Apr. 29, 2003
6343393 Waterbed structure Feb. 5, 2002
5850644 Temperature and pressure control means for water bed Dec. 22, 1998
5850646 Pressure relief mattress Dec. 22, 1998
5617596 Tube for a waterbed Apr. 8, 1997
5406660 Waterbed mattress with plastic netting fill Apr. 18, 1995
5335380 Spring insert for cushioning insert Aug. 9, 1994
5267365 Bed mattress or the like and pressurized liquid supply system Dec. 7, 1993
5253377 Waterbed mattress with bellows spring insert Oct. 19, 1993
5228156 Fluid operated device Jul. 20, 1993
5222262 Waterbed mattress with baffles Jun. 29, 1993
5172437 Waterbed mattress with hexagonal baffle structure, and method and apparatus for manufacturing the same Dec. 22, 1992
5172438 Waterbed mattress with equalized edge support Dec. 22, 1992
5159725 Waterbed mattress with bellows spring insert Nov. 3, 1992
5068934 Waterbed mattress with hexagonal polypropylene baffle structures Dec. 3, 1991
5060328 Waterbed mattress with spring insert Oct. 29, 1991
5010607 Damping chamber for waterbed mattress Apr. 30, 1991
4975995 Water mattress with vertically disposed dampening cells Dec. 11, 1990
4961237 Device for reducing wave motion in a waterbed mattress Oct. 9, 1990
4922563 Waterbed mattress with baffle chambers May. 8, 1990
4864670 Water mattress with vertically oriented hydraulic chambers Sep. 12, 1989
4751756 Water mattress with hydraulic chamber assembly and method of making same Jun. 21, 1988
4751757 Wave dampening device for use in a water bed Jun. 21, 1988
4715076 Waterbed motion reduction and hydraulic enhancement system Dec. 29, 1987
4701967 Hydraulic unit for waterbed, and method of forming Oct. 27, 1987
4663789 Hydraulic baffle for waterbed mattress May. 12, 1987
4627121 Damped waterbed mattress and method for manufacturing same Dec. 9, 1986
4607404 Waterbed float with antiwave hanging baffle and collapse-retarding fiber insert Aug. 26, 1986
4577356 Waterbed mattress with baffle chambers Mar. 25, 1986
4523343 Buoyant fiber product used in improved waterbed float with hanging baffle Jun. 18, 1985
4517691 Motion damping system for water bed mattresses May. 21, 1985
4475257 Wave motion absorber for water bed mattresses Oct. 9, 1984
4329748 Double pancake waterbed mattress May. 18, 1982
4325152 Flotation mattress Apr. 20, 1982
4321719 Water mattress with damper bladders Mar. 30, 1982
4296510 Anti-surge flotation mattress Oct. 27, 1981
4292702 Surge dampened water bed mattress Oct. 6, 1981
4280235 Inserts for fluid-type mattresses Jul. 28, 1981
4208748 Waterbed mattress Jun. 24, 1980
4204289 Waterbed mattress May. 27, 1980
4192031 Waterbed mattress Mar. 11, 1980
4172301 Fluid filled beds and the like Oct. 30, 1979

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