Patents for E04H 4 - Swimming or splash baths or pools (9,370)
12/1992
12/22/1992US5172432 Swimming pool aerating device
12/15/1992US5172089 Pool pump fail safe switch
12/15/1992US5171101 Water ride facility
12/15/1992US5170517 Support for perimeter extending pool lighting
12/08/1992US5168675 Pool for manufactured structure
12/08/1992US5168584 Retractable perimeter barrier
12/01/1992US5167805 Pool skimmer
12/01/1992US5167217 Solar collection apparatus
11/1992
11/24/1992CA1310454C Movable support
11/19/1992EP0513239A1 N,n'-dihaloimidazolidin-4-ones
11/19/1992DE4134860C1 Swimming pool bottom assembly - has flange screwed to connection plate compressing sealing film between tiles and concrete base
11/17/1992CA1310347C Exercise device with underwater treadmill
11/17/1992CA1310157C Pool skimmer
11/10/1992US5161784 Knock-down barrier for preventing admittance into an area
11/10/1992US5161264 Above-ground swimming pool
10/1992
10/21/1992CN1018746B Water circulatory treatment system for swimming pool
10/20/1992US5155872 Above-ground
10/13/1992US5154821 Pool pump primer
10/13/1992US5154205 Method and apparatus for maintaining level of water in above-ground swimming pools
10/06/1992US5152610 Pool thermometer
10/06/1992US5152508 For a swimming pool
09/1992
09/29/1992US5150510 Method of manufacturing large scale membranes for covering extremely large areas
09/29/1992CA1308018C Cleaning method for water containing vessels and systems
09/29/1992CA1307881C Device for cleaning a swimming pool
09/23/1992EP0505219A2 Automatic pool cleaners
09/22/1992US5148646 Convertible enclosure for hot tubs and the like
09/16/1992CN1064509A Splice method for making electrolytic bath
09/08/1992US5144704 Swimming pool cover with multiple air compartments
09/01/1992US5143605 Mobile floating skimmer
08/1992
08/25/1992US5141075 Portable pool safety ladder
08/19/1992CN1063737A Recovery method for salt crytallizing pool cover film
08/18/1992US5139660 Swimming pool skimmer
08/11/1992US5137623 Multi-purpose pool skimmer and method of making same
08/05/1992EP0497716A1 Device for counter-current swimming and for filtering especially for swimmingpools
08/05/1992CN2111979U Dirt cleaner for aquatic animals sink
08/04/1992US5135647 Fluid vacuum apparatus and filter bag for cleaning swimming pools and the like
08/04/1992US5135579 Rotatable nozzles; turbulence fluid flow
08/04/1992US5135440 System of water toys which may be assembled in play groupings
08/04/1992US5134819 Bendable swimming pool coping
08/04/1992US5134730 Pool deck protective liner
08/01/1992CA2060359A1 Cross-current swimming and filtering device namely for swimming pools
07/1992
07/30/1992DE4101727A1 Transparent PVC profile for swimming pool cover - has top covering layer of UV resistant transparent plastic
07/28/1992US5133854 Skimmer with self-adjusting floating collector
07/28/1992US5133503 Swimming pool cleaning device for cleaning submerged swimming pool surfaces with direct pressurized and intensified water current
07/23/1992WO1992012310A1 Above-ground swimming pool
07/23/1992CA2100076A1 Above-ground swimming pool
07/21/1992US5131102 Spa cover lift assembly
07/15/1992CN2110050U Moving swimming pool
07/09/1992WO1992011072A1 Swimming pool system for recreative purposes
07/07/1992US5128031 Pool surface skimmer
06/1992
06/21/1992CA2058039A1 Folding shower door
06/16/1992US5122285 Pool cleaning method and apparatus
06/06/1992CA2035563A1 Multiple accessory swimming pool coping
06/03/1992EP0487702A1 Site-integrable retractable covering
05/1992
05/20/1992EP0485735A1 Recessed lighting fixture
05/12/1992US5111628 Panel to produce swimming pools particularly and its production process
05/06/1992EP0483677A2 Functioning method and cleaning device for swimming pools
05/06/1992EP0483470A1 Self-propelled cleaning device,particularly for swimming pools
05/05/1992US5111129 Waterproof switch and charging jack assembly
05/05/1992US5110230 Adjustable swimming-pool cleaning tool
05/05/1992US5110075 Pool sweeper hose clamp
04/1992
04/29/1992EP0482876A1 Underwater vacuum cleaner
04/28/1992US5108514 In-situ method for cleaning swimming pools without draining the water
04/28/1992US5107872 Cleaning system for swimming pools and the like
04/28/1992US5107552 Swimming pool cover and roll-up device
04/28/1992US5107551 Multiple accessory swimming pool coping
04/27/1992WO1992007497A1 Improvements relating to bathtubs
04/27/1992CA2094704A1 Bathtubs
04/23/1992CA2053987A1 Foam block pool with coping support and method of constructing the same
04/23/1992CA2053805A1 Underwater vacuum cleaner
04/21/1992US5106492 Solar powered swimming pool skimmer
04/21/1992US5106229 In ground, rigid pools/structures; located in expansive clay soil
04/21/1992US5105496 Suction cleaning device
04/21/1992US5105482 Flow control apparatus, system and method
04/21/1992US5105481 Mechanism for extending and retracting swimming pool covers
04/19/1992CA2053727A1 Access to a suction cleaning device
04/14/1992US5104273 Wall anchor socket apparatus
04/14/1992US5103607 Channel element for ground channels in swimming-pools with vertical water flow
04/14/1992US5103508 Water walker
04/07/1992US5102103 Child safety fence
04/07/1992CA1298560C Modular operations center for in-ground swimming pool
04/01/1992EP0478483A1 Swimming pool ladder
03/1992
03/31/1992US5099535 Cleaner for submerged surfaces
03/25/1992EP0476413A2 An automatic swimming pool cleaner
03/24/1992US5098222 Wave generator
03/24/1992US5097559 Cleaning apparatus for a liquid containing vessel
03/18/1992EP0475736A1 An hydraulic machine
03/17/1992US5095571 Underwater vacuum cleaner
03/17/1992US5095557 Pool cover assembly
03/17/1992CA1297514C Apparatus for producing artificial wave
03/10/1992US5093950 Self propelled vacuum driven swimming pool cleaner
03/05/1992WO1992004087A1 Water ride attraction
03/05/1992WO1992003201A1 Water ride with water propulsion devices
03/03/1992US5092090 Swimming pool corner sun shading device
03/03/1992US5092000 Swimming pool protector and converter
02/1992
02/26/1992EP0472514A1 Container for liquids and construction process for this container
02/26/1992CN2097243U Double-rail slipway of plastic tarpaulin pond for producing sea salt
02/12/1992CN2095907U Purifying filter for swimming pool
02/11/1992US5086595 Stair support system
02/11/1992US5086525 Moisture-proof spa cover and method of construction
1 ... 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 ... 94