Patents for E04H 4 - Swimming or splash baths or pools (9,370)
02/1999
02/02/1999US5864896 Main drain system
01/1999
01/26/1999US5863425 Filter bag for a pool cleaner
01/21/1999WO1999002803A1 Submerged surface pool cleaning device
01/21/1999WO1999002802A1 Panels for constructing swimming pools
01/21/1999WO1999002322A2 Blow molded articles and method of making
01/20/1999EP0891462A1 Filtering stairway for swimming pool
01/19/1999US5860766 Boat activated wave generator
01/19/1999US5860413 Pool cover
01/19/1999US5860171 Suspended detachable swimming pool accessories
01/14/1999DE19729299A1 Security device for protecting people from entering a dangerous area
01/13/1999EP0890007A1 Fluted swimming pool cleaner discs
01/13/1999CN1204717A Counter-flow swimming pool
01/12/1999US5858221 Pool cleaning tool with replaceable scuff edge basket
01/12/1999US5857226 For providing in-pool seating
12/1998
12/30/1998WO1998059135A1 Filter bag for a pool cleaner
12/29/1998US5853309 Swimming pool float with anchoring system
12/29/1998US5852841 Apparatus for automatic cleaning of a submerged surface
12/23/1998EP0835357A4 Automatic swimming pool cleaning system
12/22/1998US5850654 Fluid-wetted or submerged surface cleaning apparatus
12/17/1998WO1998057012A1 Above-ground swimming pool
12/15/1998US5849184 Skimming apparatus for swimming pools
12/09/1998EP0882166A1 Suction and intake device for a swimming pool
12/08/1998US5845343 Track assembly for flexible enclosure covers
12/05/1998CA2208749A1 Reciprocal skimming device for dissolved air floatation basins
12/01/1998US5843554 Multi-layer covering articles
12/01/1998US5842243 Manually propelled pool cleaner
11/1998
11/26/1998WO1998053164A1 A method of and a device for operating a pool cleaner
11/26/1998WO1998053163A1 A swimming pool cleaning apparatus and a method for selectively raising or sinking a hose of the apparatus in a swimming pool
11/26/1998DE19755476A1 Transportable sand box for small children
11/25/1998EP0879925A2 Support system for vessels such as swimming pools
11/19/1998WO1998051888A1 Hose rotator for automatic pool cleaner
11/19/1998WO1998051887A1 Immersed device for swimming pool
11/19/1998WO1998051395A1 Method and system for cleaning a water basin floor
11/19/1998CA2289569A1 Immersed device for swimming pool
11/19/1998CA2231920A1 Support system for vessels such as swimming pools
11/17/1998US5837133 Method and apparatus for preventing algae growth in open-topped cooling tower reservoirs
11/17/1998US5836022 Automatic liquid level control apparatus
11/17/1998CA2114924C Swimming pool skimmer device
11/10/1998US5833845 Leaf skimmer system
11/10/1998US5833841 Feeding swimming pool water into ion exchanger to render it acidic and hardness-free; adding lime water to provide a lime-carbonic acid equilibrium
11/10/1998US5833393 Wave cannon
11/10/1998US5832547 Swimming pool automatic rescue device
11/09/1998CA2204925A1 Universal dome
11/03/1998US5830350 Pool skimmer basket
10/1998
10/29/1998WO1998048132A1 Manually propelled pool cleaner
10/28/1998EP0874110A2 Track assembly for flexible enclosure covers
10/27/1998US5826855 Plug for swimming pool
10/27/1998US5826283 Life safety device
10/22/1998DE19807576A1 Floating cover for swimming pool
10/22/1998DE19716298A1 Manufacture of tanks for e.g. swimming pools and ponds in polyurethane
10/21/1998EP0764316B1 Alarm and monitoring device for the presumption of bodies in danger in a swimming pool
10/21/1998CN1196435A Spacing wall-screen and fixed structure assembly for spacing screen
10/20/1998US5822807 Suction relief apparatus
10/15/1998WO1998045555A1 Automatic swimming pool cleaners and associated components
10/15/1998WO1998045554A1 A liner for a fluid bearing receptacle
10/15/1998WO1998045553A1 Wave machine for liquids
10/14/1998EP0869919A1 Water purification systems
10/13/1998US5819332 Spa/hot tub cover removal apparatus and method
10/07/1998CN2293616Y Submersible full-automatic cleaning machine for swimming pool
10/06/1998US5815854 Sectional portable hot tub
10/06/1998US5815853 Polypropylene
09/1998
09/30/1998EP0866904A1 Wave breaker for a float line, particularly in swimming pools
09/30/1998CN1194245A Composite circular water treating system
09/22/1998USRE35900 Filter cartridge for swimming pools and spas
09/22/1998US5810281 Spool assembly with slotted tubes
09/22/1998US5809796 Self regulating pool heater unit
09/22/1998US5809587 Adapted for use in swimming pools, whirlpools and spas
09/17/1998WO1998040585A1 Method for servicing the water of a swimming pool and device for implementing same
09/17/1998WO1998040584A1 Roofing of the open site, especially the pool
09/17/1998CA2283679A1 Method for servicing the water of a swimming pool and device for implementing same
09/16/1998EP0864019A1 Movable covering device, particularly for swimming pools
09/09/1998EP0863278A2 System for controlling pump operation
09/08/1998US5804080 Computer controlled method of operating a swimming pool filtration system
09/08/1998US5804064 Swimming pool skimmer having a deflector member
09/08/1998US5802653 Device for automatically cleaning the bottom and walls of a swimming-pool
09/08/1998US5802631 Pool liner installation method and apparatus
09/08/1998US5802630 Insulated cover for a hot tub
09/08/1998US5802629 Self-draining pool cover
09/03/1998WO1998038405A1 Pool cleaning apparatus
09/01/1998US5800703 Water filter with hydraulically displaceable filter unit
09/01/1998US5800089 Adjustable detachable pool cover anchor
09/01/1998US5799357 Cleaning utensil
09/01/1998US5799351 Swimming pool cleaner with vibratory power
09/01/1998US5799343 Universal skimmer ice protector
09/01/1998US5799342 Manual cover drive for swimming pools
08/1998
08/27/1998DE19707408A1 Covering for non-rectangular shapes e.g. sun blind, swimming pool cover etc.
08/25/1998US5797156 Vibratory cleaner and method
08/25/1998CA2090878C Water ride with attraction
08/25/1998CA2063242C Hydraulic machine
08/18/1998US5794990 Safety latch for pool fence
08/18/1998US5794391 For use in the construction trade
08/18/1998US5794293 Pool sweep cleaner
08/13/1998WO1998035116A1 Cooling device for compact pumping and filtration assembly for swimming pool
08/13/1998CA2278222A1 Cooling device for compact pumping and filtration assembly for swimming pool
08/12/1998EP0857240A1 Device for keeping bodies of water ice-free
08/11/1998US5792362 Recirculation of water containing microscopic air bubbles into pool water to cause floatation of settled sediment for removal by skimming
08/11/1998US5791106 Collapsible pool
08/11/1998US5791099 Multi-walled, sectional swimming pool fabricated of preformed plastic or resin
08/11/1998US5790991 Apparatus for automatically regulating water level in a swimming pool
08/11/1998US5790990 Church baptistery for immersion
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