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