Patents for E04H 4 - Swimming or splash baths or pools (9,370)
08/1994
08/30/1994US5341523 Anti-vortex drain
08/24/1994EP0611858A1 Grating for swimming-pool overflow water drain channels
08/19/1994WO1994019565A1 Pool cleaner
08/19/1994CA2132441A1 Pool cleaner
08/16/1994US5338446 Filter unit for in-line use in a pool vacuum hose
08/16/1994US5337434 Directional control means for robotic swimming pool cleaners
08/16/1994US5337433 Pool cleaner
08/09/1994US5336403 Submersible swimming pool cleaner
08/09/1994US5336400 Pool skimmer diverter assembly
08/04/1994DE4302978A1 Filter unit for swimming pools and water tanks
08/03/1994EP0609163A1 Overflow adjustment by mechanical finetuning adaptable to all kinds of swimmingpools
08/02/1994US5333323 Swimming pool with ladder
08/02/1994US5333322 Add-on seat module for swimming pool
07/1994
07/27/1994EP0608088A1 Treatment of water, sewage and like waste liquids
07/27/1994EP0607740A1 Rung for a swimming pool ladder
07/21/1994WO1994016175A1 Composite sheet for construction work such as swimming pools, construction method using same, and resulting constructions
07/19/1994US5330151 Partially reusable swimming pool wall form
07/19/1994US5329648 Diverter valve manipulator tool
07/12/1994US5328602 Water skimmer
07/12/1994US5327590 Automatic swimming pool cover with a dual hydraulic drive system
07/05/1994US5325644 Pool wall construction
07/05/1994CA2086655A1 Piscina drain pipe system
07/05/1994CA1330549C Pool chemical dispenser
06/1994
06/23/1994WO1994013577A2 Border protector device
06/23/1994CA2130188A1 Border protector device
06/14/1994US5320449 Device designed to create a movement in a liquid especially at its surface
06/07/1994US5317777 Automatic pool cleaner and steering device therefor
06/07/1994US5317776 Swimming pool vacuum apparatus
06/01/1994EP0599731A1 Motorised cover for swimming pools and other similar basins
06/01/1994EP0599666A1 Improved technical blockunit for swimming-pool
05/1994
05/31/1994US5315728 Swimming pool cleaner components
05/25/1994CN2166182Y Swimming pool floating on water
05/24/1994US5313874 High efficiency pool heating system and power unit
05/17/1994US5311631 Cleaning apparatus for spas and hot tubs
05/11/1994WO1994009869A1 Swimming-pool for counterflow swimming
05/11/1994EP0596267A1 Control valve
05/10/1994US5309581 Water steam apparatus
05/04/1994EP0595725A1 Flexible roller-cover panel particularly for covering an external swimming pool
05/04/1994EP0594975A1 Swimming pool
05/03/1994US5307527 Pool chair
04/1994
04/26/1994US5306217 Swimming pool ballet bar
04/19/1994US5303527 Removable pool cover support apparatus
04/19/1994US5303444 Rigid skirt for bristles of submersible suction cleaner
04/14/1994DE4234162A1 Roll=up swimming pool covering - is made up of interlocking floating hollow profiles having symmetrically, convexly curved sides incorporating hollow chambers between walls and transverse connecting webs
04/13/1994EP0591929A2 Swimming pool accessories
04/13/1994CN2161667Y Inflatable swimming pool
04/12/1994US5301380 Cleaning apparatus for submerged surfaces
04/08/1994CA2107925A1 Weir
04/08/1994CA2107924A1 Control valve
04/06/1994EP0590762A1 Automatic swimming pool chlorinator
03/1994
03/22/1994CA2091230A1 Add-on seat module for swimming pool
03/22/1994CA2083703A1 Pool surface cleaner
03/15/1994US5293659 Automatic swimming pool cleaner
03/15/1994US5293652 Swimming pool winterizing method and apparatus
03/03/1994DE4328305A1 Swimming pool lining - comprises sheet which covers the pool floor and inner walling and is drawn over the pool edge in the overflow channel
02/1994
02/23/1994EP0583524A1 Dismontable bath tub with an overflow gutter
02/22/1994US5288414 Creating a water current pattern toward pool center, drawing the floating debris by the current into the net
02/22/1994US5287567 Hydraulic isolation manifold
02/18/1994CA2098771A1 Drainage-permitting expandable plug for pipes
02/15/1994US5285547 Internal by-pass valve for submersible suction cleaner
02/15/1994US5285538 Sealing assembly for a swimming pool skimmer
02/15/1994US5285536 For a pool
02/09/1994EP0581997A1 Screw type water flow generating apparatus
02/01/1994US5282606 Reconfigurable safety fence
02/01/1994US5282282 Swimming pool and cover
01/1994
01/18/1994US5279728 Pump, discharge conduit
01/18/1994US5279002 Inlaid tile gutter system
01/13/1994DE4321564A1 Multilayered translucent foil used for building purposes - comprises intermediate foil with electrochromically active layers on both sides and transparent coating
01/11/1994US5277801 Skimming device for swimming pools
01/11/1994US5277004 Apparatus and method for reinforcing swimming pool wall structures
01/05/1994DE4220220A1 Child protection net for garden pond - is fixed to bank zone of pond and lies under water surface, being lightly tensioned from base of pond.
01/04/1994US5274868 Elevation limiter for submersible suction cleaner
12/1993
12/21/1993US5271692 Method and apparatus for a sheet flow water ride in a single container
12/21/1993US5271483 Apparatus for lifting false floor in swimming pool
12/21/1993US5271106 Emulative swimming pool
12/16/1993CA2071288A1 Dome system
12/10/1993CA2075322A1 Screw type water flow generating apparatus
12/07/1993US5267358 Swimming pool safety net apparatus
12/02/1993DE4217861A1 Water-ballasted tarpaulin - has tubular beads formed by gluing or welding plastics sheet edges and filled with water
12/01/1993CN2148127Y Built-up swimming pool composed of prefabricated elements
11/1993
11/30/1993US5265976 Cover for ponds
11/30/1993US5265631 Swimming pool debris collection trap
11/30/1993US5265297 Pool cleaner with improved elastomeric valve
11/23/1993US5264122 Stationary surface pool cleaner
11/18/1993EP0570311A1 Swimming-pool cover
11/17/1993CN1078528A Large longitudinal prestressed rectangular pool without expansion seam
11/16/1993US5261287 Positive engagement clutch for a submersible cleaning device
11/11/1993WO1993022530A1 Swimming pool cleaner components
11/09/1993US5259258 Friction clutch drive for a submersible cleaning device
11/09/1993US5259082 Mechanism for dislodging a submersible cleaning device from a surface
11/09/1993US5259078 Pool cover
11/09/1993US5259077 Swimming pool cover elevation device
11/09/1993US5259076 Winterizing device for inground swimming pools
10/1993
10/26/1993US5256207 Control mechanism for driving gears or belts to correct back and forth movement across pool upon striking obstacle
10/26/1993US5255398 Flow control apparatus, system and method
10/20/1993EP0566559A1 Swimming pool
10/19/1993US5253374 Method and apparatus for maintaining level of water in above-ground swimming pools
10/14/1993DE4212205A1 Swimming pool trough drain - has pipe extension above trough bottom with strainer perforations and closed by top cap into which inner pipe in drain-pipe protrudes
10/13/1993EP0565226A1 Swimming pool cleaner
10/12/1993US5251343 Swimming pool pop-up fitting
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