Patents for E04H 4 - Swimming or splash baths or pools (9,370)
05/1991
05/21/1991US5016296 Auxiliary drain and filler device for plastic pools
05/21/1991CA1284264C Reservoir for placing in a fixed position on the ground and method for manufacturing same
05/15/1991EP0427677A1 Roller-tarpaulin
05/14/1991US5014912 Device for displacing a submerged article
05/14/1991US5014382 Swimming pool cleaner
05/14/1991US5014370 Swimming pool bulkhead
05/14/1991US5014369 Pool cover tie-down
05/08/1991EP0426365A1 Cleaning apparatus for a liquid containing vessel such as a swimming pool
05/01/1991CA2028602A1 Cleaning apparatus for a liquid containing vessel
04/1991
04/30/1991US5010603 Modular above ground swimming pool
04/30/1991CA1283513C Automatic pool cleaner
04/18/1991WO1991005170A1 Wave generator
04/18/1991DE4010862C1 Swimming pool drain cap - has pipe connection with flange and cover cap with perforations
04/17/1991EP0423043A1 Filtering device for swimmingpools
04/17/1991CN1012380B Method for rendering waterproof roller compacted concrete or rubble hydraulic structure
04/16/1991US5007210 Device capable of suction-adhering to a wall surface and moving therealong
04/16/1991CA1282931C Interlocking structure
04/16/1991CA1282909C Device for closing off a pool skimmer
04/09/1991US5005229 Swimming pool rope anchor method and device
04/09/1991US5005228 A swim-in place pool
04/02/1991US5004001 Foldable dome
03/1991
03/30/1991CA2025984A1 Two phase dispenser
03/26/1991US5001800 Automatic, self-propelled cleaner for swimming pools
03/20/1991EP0417777A2 Basin for kinetotherapy
03/19/1991US5000288 Swimming pool maintenance seat
03/19/1991US4999860 Apparatus for generating waves in a swimming pool
03/13/1991CN2073007U Purifier of swimming pool
03/05/1991US4997558 Suction control filter system for swimming pools
03/05/1991US4997061 A-frame
02/1991
02/22/1991CA2010487A1 Track support for a liner type in-ground swimming pool
02/21/1991DE3926867A1 Water reservoir for hydrotherapy - has a base and separate acrylic] walls with a plastic film seal
02/19/1991US4994178 Heavier-than-water pool cleaning device
02/12/1991US4991294 Swimming pool liner installation method
02/12/1991US4991239 Bulkheads for swimming pools
02/12/1991US4991238 Spa cover lift
01/1991
01/29/1991US4987657 Airtight, watertight mechanical seam for joining panels of industrial strength fabrics
01/22/1991US4985942 Swimming pool or spa
01/16/1991CN2069451U Bottom eleaner for fish and shrimp fry pond
01/15/1991US4985007 Detachable anchor clip
01/15/1991CA1278926C Wave generator
01/08/1991US4982754 Pool cleaner accessory
01/08/1991US4982457 Device for preventing falling of persons between pool cover and pool wall
01/02/1991CA1278495C Fluid flow regulator
01/01/1991US4980934 Attached to a swimming pool
12/1990
12/27/1990EP0404547A2 Bearings for submerged machines
12/25/1990US4979244 Wave valve
12/18/1990US4977662 Airtight watertight mechanical seam for joining panels of industrial strength fabrics
12/12/1990CN1047662A Method of variable constant water-cycle purification
12/11/1990US4976850 Suction apparatus
12/11/1990US4976088 Method for construction of an in-ground swimming pool
12/11/1990CA1277455C Structurally strong, non vapor, non moisture absorbing, spa/hot tub cover
12/04/1990US4974994 Hydrostatic drive for wave generating systems in swimming pools
12/04/1990US4974266 Site-assembled swimming pool structure
11/1990
11/28/1990CN2066458U Cleaner for surface water of open swimming pool
11/27/1990US4972530 Apparatus for automatically filling a pool with water
11/27/1990US4972529 Protective blanket for a solar pool cover
11/20/1990US4971283 Wedge device for use in mounting lights
11/20/1990CA1276406C Closure device for wall opening
11/20/1990CA1276405C Above ground swimming pool with improved rib structure and modular deck panels for solar heating of pool water
11/13/1990US4969219 Airlift bulkhead
11/06/1990US4967862 Tether-guided vehicle and method of controlling same
11/06/1990US4967424 Track support for a liner type in-ground swimming pool
10/1990
10/31/1990CN2064797U Improved air filled mattress type swimming pool
10/30/1990US4966717 Disinfecting of swimming pool
10/30/1990CA1275551C Inflatable pool
10/24/1990EP0394217A1 Admission lid for fresh water or chemicals in pool facilities
10/19/1990CA2012831A1 Chemical bottle adaptor
10/16/1990US4962559 Submersible vacuum cleaner
10/16/1990US4962558 Device for cleaning surfaces submerged in a fluid
10/09/1990US4962285 Electrically groundable swimming pool deck anchor of plastic material
10/09/1990US4961849 Magnetically attached filter
10/02/1990US4960514 Skimming apparatus for a swimming pool
10/02/1990CA1274745A1 Automatic valve for use with pool cleaning device
09/1990
09/30/1990WO1990011421A1 Operatively stationary pool cleaning apparatus
09/30/1990CA2028861A1 Operatively stationary pool cleaning apparatus
09/26/1990EP0389459A2 Tether-guided vehicle and method of controlling same
09/25/1990CA1274357A1 Swimming pool cleaning device
09/18/1990US4957622 Apparatus for removing sediment from ponds
09/18/1990CA1274055A1 Compact unit for servicing swimming pools
09/11/1990US4955099 Swimming pool cleaner
09/11/1990US4955092 Swimming pool cover
09/04/1990US4954014 Surfing-wave generators
09/04/1990US4953269 Swimming pool anchor and removal tool
09/04/1990US4953239 Inflatable pool cover
09/04/1990CA1273452A1 Swimming pool protector and converter
08/1990
08/29/1990EP0248725B1 Method of rendering a hydraulic structure made of compacted concrete or filled earth water-tight
08/28/1990US4951327 Pool cover support system
08/28/1990US4951326 Return fitting with releasable cap
08/23/1990WO1990009498A1 Method and device for cleaning tanks and swimming-pools
08/21/1990US4950393 Operatively stationary pool cleaning apparatus
08/21/1990US4949419 Pool cleaner component
08/16/1990EP0382649A1 Boarding for the realisation of swimming pools in particular, and method of manufacturing same
08/14/1990US4948296 Swimming pool construction
08/14/1990US4947495 Deflector for pool cleaner in aboveground swimming pools
08/14/1990CA1272553A1 Cap for swimming pool coping
08/07/1990CA1272355A1 Displacement apparatus for submerged cleaner
08/01/1990EP0380421A1 Flow regulation device for the cleaning system of a pool, in particular of a swimming pool
08/01/1990EP0380079A2 Eyeball assembly for an eyeball fitting
07/1990
07/31/1990US4944101 Apparatus and method for recovering materials from fluid bodies
07/25/1990CA2008603A1 Flow regulation device for the cleaning of a pool, in particular of a swimming pool
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