| Patents for E04H 4 - Swimming or splash baths or pools (9,370) |
|---|
| 02/06/1992 | WO1992001849A1 An automatic swimming pool cover with a dual hydraulic drive system |
| 02/04/1992 | US5085767 Swimming pool skimming apparatus |
| 02/04/1992 | US5084919 Swimming pool ladder guard |
| 02/04/1992 | CA1295098C Automatic cleaning apparatus, especially for cleaning the bottom of a swimming pool |
| 01/31/1992 | CA2048109A1 Anti-flooding bypass for an electrical cabinet |
| 01/29/1992 | EP0468876A1 Hydraulic sweeper for swimming pool and similar |
| 01/29/1992 | EP0468190A1 Step-ladder |
| 01/29/1992 | CN2094588U Plastic sliding road for plastic pool of sea salt crystallizing |
| 01/28/1992 | US5083327 Portable swimming pool |
| 01/28/1992 | US5083326 Apparatus for protecting against expansion of freezing water |
| 01/26/1992 | CA2047862A1 Cleaner device for swimming pools and the like |
| 01/25/1992 | CA2047035A1 Stepladder |
| 01/21/1992 | US5082028 Pool cleaner suction pipe |
| 01/15/1992 | EP0278009B1 Flooring apparatus of pool or the like |
| 01/08/1992 | EP0465453A1 Utility robot |
| 01/08/1992 | EP0465430A1 Swimming-pool cover |
| 01/07/1992 | US5078863 Pool skimmer |
| 01/07/1992 | US5077853 Pool cleaner |
| 01/07/1992 | CA1293841C Skimmer adaptor for suction-side pool cleaners |
| 01/03/1992 | CA2045858A1 Service robot improvement |
| 12/31/1991 | CA1293797C Combined flapper and piston motion wave board module |
| 12/27/1991 | CA2019933A1 Site-assembled swimming pool structure |
| 12/24/1991 | US5074004 Swimming pool tile cleaning apparatus |
| 12/19/1991 | WO1991019870A1 Site-integrable retractable covering |
| 12/19/1991 | CA2059140A1 Site-integrable retractable covering |
| 12/11/1991 | EP0460984A1 Ladder-stairs unit with water aspiration means for swimming pool |
| 12/11/1991 | EP0460597A2 Single impeller centrifugal pump with a peripheral-longitudinal diffuser |
| 12/03/1991 | US5068929 Edge retainer for a floating pool cover |
| 12/03/1991 | US5068928 Pool cover storage apparatus |
| 11/26/1991 | US5067228 Apparatus and method for blind attachment of a liner to a pool support structure |
| 11/26/1991 | US5067213 Swimming pool anchor and removal tool |
| 11/26/1991 | US5067184 Cover drum having tapered ends and automatic swimming pool cover |
| 11/26/1991 | US5067182 Swimming pool cover |
| 11/19/1991 | US5065840 Swimming pool safety ladder |
| 11/19/1991 | US5065461 Swimming pool and cover |
| 11/14/1991 | WO1991017332A1 Swimming pool cover and roll-up device |
| 11/12/1991 | US5064624 Two phase dispenser |
| 11/06/1991 | CN1055868A Device intended to create motion in liquid, in particular at surface thereof |
| 10/30/1991 | CN2087655U Hydraulic whirl medicine dissolving tank |
| 10/29/1991 | US5060321 Pool winterizing system |
| 10/22/1991 | US5059314 Pool skimming apparatus |
| 10/22/1991 | US5058392 Air conditioner heatbox |
| 10/15/1991 | US5057612 N,n'-dihaloimidazolidin-4-ones |
| 10/15/1991 | US5056612 Device for guiding the movement on the ground of a self-driven machine |
| 10/15/1991 | US5056167 Modular assembly for swimming pools |
| 10/10/1991 | DE4109584A1 Cover for swimming pool - is wound on to roll mounted on ends of hydraulically actuated arms |
| 10/09/1991 | EP0451136A1 Floating modular element |
| 10/08/1991 | US5054135 Above ground pool |
| 09/25/1991 | EP0447398A1 Improvements in or relating to pool cover systems. |
| 09/19/1991 | WO1991014062A1 Device designed to create a movement in a liquid, especially at its surface |
| 09/19/1991 | DE4108349A1 Flexible roller shutter cover for swimming baths - is formed of hollow, extruded PVC sections linked along long edges and having ends sealed by rib removal and pressing faces together |
| 09/17/1991 | US5048153 Spa cover lift mechanism |
| 09/17/1991 | US5048149 Vac-brush |
| 09/10/1991 | CA1288788C Wave pool |
| 09/10/1991 | CA1288662C Skimmer cover plate |
| 09/05/1991 | WO1991013012A1 Fluid storage system and methods of installation |
| 09/03/1991 | US5044465 Retractable walk-in swimming pool ladder |
| 09/03/1991 | US5044034 Swimming pool vacuum cleaner with rotary brush |
| 09/03/1991 | US5044022 Swimming pool cover |
| 08/28/1991 | WO1991013224A1 Spa cover lift |
| 08/28/1991 | CA2053858A1 Spa cover lift |
| 08/27/1991 | US5043060 Swimming pool skimmer |
| 08/22/1991 | WO1991012394A1 Equipment container for a swimming pool with a built-in filter |
| 08/20/1991 | US5040251 Method and apparatus for mounting of upright posts in swimming pools |
| 08/20/1991 | US5040250 Return fitting with releasable cap |
| 08/14/1991 | DE4003915A1 Frame for supporting cover of swimming pool - is stored in a trench with drive to lift frame to unwind roll |
| 08/13/1991 | US5038949 Chemical bottle adaptor |
| 08/13/1991 | US5038530 Arrangement for entrapping debris on a screen upper surface and removing same from underneath the upper surface |
| 08/13/1991 | US5038419 Pool cover draining device |
| 08/06/1991 | US5036881 Swimming pool |
| 07/31/1991 | CN1013391B Bottom apparatus for swimming pool |
| 07/24/1991 | EP0438007A1 Swimming pool with stabilising ribs |
| 07/23/1991 | WO1991010623A1 N,n'-dihaloimidazolidin-4-ones |
| 07/23/1991 | US5033149 Swimming pool cleaning apparatus |
| 07/23/1991 | US5033148 Apparatus for cleaning a surface submerged in a liquid |
| 07/17/1991 | CN1053099A Water circulatory treatment system for swimming pool |
| 07/12/1991 | CA2032029A1 Modular above ground swimming pool |
| 07/09/1991 | US5029600 Accessory method and apparatus for automatic swimming pool cleaners |
| 07/09/1991 | CA1285717C Swimming pool cleaning device |
| 07/09/1991 | CA1285709C Above-ground swimming pool |
| 07/02/1991 | US5028321 Method and apparatus for water circulation, cleaning, and filtration in a swimming pool |
| 06/27/1991 | WO1991009193A1 Floating debris collector |
| 06/26/1991 | CN2079639U Siphonic precipitating device for swimming pool |
| 06/25/1991 | US5025601 Pool wall support |
| 06/25/1991 | US5025513 Pool cover with compressible safety edge |
| 06/25/1991 | US5025512 Flooring apparatus for pool or the like |
| 06/25/1991 | CA1285199C Plastic module rigidizing system |
| 06/18/1991 | US5024040 Curved tubular profile |
| 06/18/1991 | CA1284890C Method for rendering waterproof a roller compacted concrete or rubble hydraulic structure |
| 06/16/1991 | WO1991009192A1 Above ground pool |
| 06/13/1991 | WO1991008530A1 Control apparatus |
| 06/11/1991 | US5022101 Flexible |
| 06/11/1991 | CA1284727C Interfacial separator for concrete structures |
| 06/11/1991 | CA1284726C Anchor socket jig assembly |
| 06/04/1991 | US5020175 Multicompartment cushion comprising recyclable plastic bottles |
| 05/29/1991 | EP0198864B1 Improvement of the thermal insulation of light constructions and swimming-pools and other water surfaces |
| 05/29/1991 | DE3938813A1 Connection for bars, cables or hoses - has intermediate elastic section with conical bushing in two parts |
| 05/28/1991 | US5019173 Cleaning method for water containing vessels and systems |
| 05/28/1991 | US5018890 Pool cleaning system |
| 05/28/1991 | US5018324 Swimming pool wall |