Patents for E04H 4 - Swimming or splash baths or pools (9,370)
08/1986
08/05/1986US4603790 Tensioned reservoir cover, rainwater run-off enhancement system
08/05/1986US4603758 Ladder construction
08/05/1986US4603521 Swimming pool coping and clip
07/1986
07/22/1986US4601073 Swimming pool coping system
07/22/1986US4601072 Swimming pool cover
07/15/1986US4599835 Insertable swimming pool step assembly
07/08/1986US4598506 Swimming pool cover
07/08/1986CA1207111A1 Skimmer apparatus for swimming pools
07/02/1986EP0186337A2 Foundation arrangement
07/01/1986US4597720 Cleaning apparatus for the wet cleaning of building walls and floors, swimming pools, automobiles and the like
07/01/1986US4597113 Inflatable reservoir for containing a liquid, more especially an inflatable swimming pool, and a method for filling same
06/1986
06/17/1986USRE32181 Structural foam swimming pool wall and brace and method of erecting same
06/17/1986CA1206061A1 Motorized pool cover
06/10/1986US4593421 Turbulence reducing gutter system for swimming pools
06/03/1986US4592841 Equipment and process for the treatment of swimming pool water with a semi-permeable membrane
06/03/1986US4592379 Fluid distribution valve
06/03/1986US4592378 Low pressure pool cleaner system
06/03/1986US4592098 For use with a swimming pool
06/03/1986CA1205259A1 Wheeled suction cleaners
06/03/1986CA1205257A1 Rotating bumper
05/1986
05/28/1986EP0182447A2 Hose accessory
05/27/1986US4590715 Tarpaulin edge-finished for single line tie-down
05/20/1986US4589986 Submerged random travel on floor or walls to disclodge and collect debris
05/20/1986US4589237 Stair module support and leveling construction
05/13/1986US4588155 Supports for hoists
05/06/1986CA1203956A1 Suction cleaning appliance
04/1986
04/29/1986US4584733 Spa or pool cleaning device
04/24/1986WO1986002401A1 Improvement of the thermal insulation of light constructions and swimming-pools and other water surfaces
04/08/1986US4581075 Self-propelled water borne pool cleaner
04/01/1986US4579197 Ladder shield
03/1986
03/25/1986US4577352 Extruded section for swimming pool rollable cover
03/11/1986US4575423 Debris collection bag for pool cleaners
03/11/1986US4574405 Water level control device
03/11/1986US4574404 Airlift bulkhead
03/04/1986US4574106 Self molding fiberglas
03/04/1986US4574017 Multilayer with plastic film inner layers
02/1986
02/25/1986CA1200955A1 Vacuum head for cleaning underwater surfaces
02/19/1986EP0171930A1 Swimming pool construction
02/13/1986WO1986000951A1 Hose air purging, pump antidepriming method and apparatus
02/11/1986US4569361 Low pressure pool cleaner system
01/1986
01/29/1986EP0169589A1 Automatic cleaning apparatus for an under-water surface
01/28/1986US4566141 Swimming pool wall construction in pools of the type using a metal side wall
01/21/1986US4564962 Energy efficient thermosyphoning spa heater system
01/14/1986US4564451 Circulating water-altering flow
01/07/1986US4562603 Cable supported pool structure
12/1985
12/31/1985US4561134 Fitting assembly for vinyl lined pools
12/31/1985US4561133 For a swimming pool
12/24/1985US4560418 Wheeled suction cleaners
12/18/1985EP0164821A1 Covers
12/18/1985EP0164415A1 Swimming pool cleaning system and apparatus
12/17/1985US4558479 Pool cleaner
12/17/1985US4558474 Wave generator
12/10/1985US4557001 Skimming device for swimming pool
11/1985
11/26/1985US4555334 Method and apparatus for cleaning a purgible swimming pool strainer
11/26/1985US4554699 Flexible brush
11/12/1985US4552658 Spa with recessed filter chamber
11/12/1985US4552245 Swimming pool ladder securement device
11/07/1985EP0148881A4 Pool cleaner.
11/05/1985US4550538 Pool and method of making same
11/05/1985US4550463 Steering device for a suction cleaning appliance
10/1985
10/30/1985EP0159865A2 Non-slip surface
10/22/1985US4548005 Structural foam swimming pool wall and brace and method of erecting same
10/09/1985EP0156906A1 Bubble plant, preferably for swimming baths
10/08/1985US4545906 Swimming pool filtering system
09/1985
09/25/1985EP0155502A2 Cleaning apparatus for swimming-pools or the like
09/24/1985US4542549 Swimming pool cleaning device
09/24/1985US4542544 Modular welded perimeter skimming gutter for swimming pools
09/18/1985EP0155170A2 The cleaning of a body of liquid
09/10/1985US4539719 Pneumatic surf wave production for pools
09/10/1985CA1193203A1 Skimmer
09/04/1985EP0153395A1 Timed flow control valve assembly
09/03/1985US4538311 Waterbed mattress
09/03/1985CA1192712A1 Pool cleaning device for rolling operation under pool cover
08/1985
08/28/1985EP0152536A2 Inflatable toy
08/27/1985US4536908 For use on a submerged surface
07/1985
07/24/1985EP0148881A1 Pool cleaner
07/23/1985US4530125 Swimming pool cleaner component
07/23/1985CA1190704A1 Solar heated swimming pool
07/09/1985US4527297 Pool entrance and supporting structure
07/02/1985US4526186 Low pressure pool cleaner
07/02/1985CA1189658A1 Pool skimmer
06/1985
06/20/1985WO1985002643A1 Swimming pool cleaning system and apparatus
06/19/1985EP0145619A2 Compact service unit for swimming pools
06/11/1985US4522535 Surf wave generator
06/11/1985US4522221 Timed flow control valve assembly
06/11/1985US4521933 Random steering device for a submerged suction cleaning head
06/06/1985WO1985002449A1 Surf pool gate valve
06/05/1985EP0143612A2 Surf pool gate valve
06/04/1985US4520514 Fitting for a swimming pool return line
06/04/1985CA1188192A1 Swimming pool cover or dome bead construction
05/1985
05/29/1985EP0142977A2 Swimming pool cover
05/22/1985EP0142431A2 A shock damper for automatic swimming pool cleaning apparatus
05/22/1985EP0142141A2 Cover device for all kinds of basins, in particular for open air swimming pools
05/21/1985US4518495 Pool skimmer
05/21/1985US4518437 Method and apparatus for cleaning a water tank
05/07/1985US4515500 Combustion powered wave generator
04/1985
04/30/1985CA1186102A1 Structural foam swimming pool wall and brace and method of erecting same
04/23/1985US4512042 Railing for spa or the like
04/23/1985CA1185872A1 Self-storing swimming pool cover
04/16/1985US4510632 Children's game pool
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