| Patents for E04H 4 - Swimming or splash baths or pools (9,370) |
|---|
| 05/20/1980 | US4203170 Vinyl liner and sealing groove assembly for pools |
| 05/13/1980 | US4203097 Pool alarm device |
| 05/13/1980 | US4202499 Swimming pool cleaner |
| 05/13/1980 | CA1077403A1 Skimmer assembly |
| 05/06/1980 | US4201496 Wave making machines |
| 05/06/1980 | US4201495 Protected aquatic sports area |
| 04/29/1980 | US4200230 Swimming pool cleaning head |
| 04/22/1980 | US4198720 Dirt remover for water tank |
| 04/22/1980 | CA1075852A1 Vacuum system for swimming pools |
| 04/15/1980 | US4198472 Pumping, trowelling |
| 04/15/1980 | US4197595 Cover for swimming pools |
| 04/01/1980 | US4195622 Swimming pool cover and solar heater |
| 04/01/1980 | US4195621 Solid state differential temperature regulator for a solar heating system |
| 04/01/1980 | US4195371 Pool cleaning apparatus |
| 04/01/1980 | US4195370 Apparatus for reeling and unreeling pool covers |
| 03/25/1980 | US4194975 Backwash system for swimming pool |
| 03/18/1980 | US4193870 Pool cleaning system and apparatus |
| 03/18/1980 | US4193228 Water driven tool |
| 03/18/1980 | US4193156 Apparatus for cleaning submerged surfaces |
| 03/18/1980 | US4193143 Swimming pool steps and water circulating arrangement for swimming pools |
| 03/11/1980 | US4192025 Cover for swimming pool |
| 02/26/1980 | US4189887 Coping with inlaid tile |
| 02/26/1980 | US4189791 Swimming pool heating and cooling system |
| 02/19/1980 | US4189722 Swimming pool intrusion alarm system |
| 02/19/1980 | US4188673 Rotatable pop-up water delivery head for pool cleaning systems |
| 02/12/1980 | US4187654 Vacuum system for swimming pools |
| 01/29/1980 | US4185333 Circulation and level control valve |
| 01/22/1980 | CA1070052A1 Swimming pool structure and method of erecting the same |
| 01/15/1980 | CA1069836A1 Braking system for motorized swimming pool covers |
| 01/15/1980 | CA1069655A1 Concrete vessel having wall apertures lined with tubular inserts |
| 01/08/1980 | US4182087 Swimming pool |
| 01/08/1980 | US4181986 Method of covering and uncovering a swimming pool |
| 12/25/1979 | US4179761 Wall construction for swimming pools |
| 12/18/1979 | US4178949 Rotating wear rings for swimming pool whip hoses |
| 12/18/1979 | US4178690 Method for making a swimming pool cover template |
| 12/11/1979 | US4177614 Swimming pool wall of resin panels |
| 12/04/1979 | US4176419 Swimming pool cleaning device |
| 11/20/1979 | CA1066462A1 Apparatus for cleaning submerged surfaces |
| 11/13/1979 | US4173799 Water level controller for swimming pool gutter |
| 11/06/1979 | US4173043 Wind resistant floatable pool cover and manufacture thereof |
| 10/16/1979 | US4170898 Apparatus for creating surface waves in a body of liquid |
| 10/16/1979 | US4170796 Swimming pool with protective wall |
| 10/09/1979 | US4170047 Vaned anti-vortex pool drain cover |
| 10/02/1979 | US4169484 Automatic pool cleaner apparatus |
| 10/02/1979 | CA1063580A1 Eyelet arrangement for pools |
| 09/25/1979 | US4168557 Pool cleaners |
| 09/19/1979 | EP0004144A1 Swimming pool |
| 09/11/1979 | US4167084 Swimming pool wall system |
| 09/11/1979 | CA1061954A1 Swimming pool cover having a raised leading edge |
| 09/04/1979 | US4166295 Swimming bath with bath dividers |
| 08/28/1979 | US4165543 Suspended motor lifted swimming pool cover |
| 08/22/1979 | EP0003491A1 Swimming pool accessory |
| 08/14/1979 | US4164047 Multipurpose gymnasium |
| 08/07/1979 | US4163295 Pool cover |
| 07/31/1979 | US4162990 Swimming pools; interface aliphatic hydrocarbons in solution with a spreading agent |
| 07/31/1979 | CA1059264A1 Prefabricated swimming pool construction |
| 07/31/1979 | CA1059263A1 Swimming pool cover |
| 07/24/1979 | CA1058822A1 Floating cover assembly |
| 07/03/1979 | CA1087065A Cover for swimming pool |
| 07/03/1979 | CA1057620A1 Cover for swimming pool |
| 06/19/1979 | US4158244 Pool liner retainer |
| 06/05/1979 | US4156948 Apparatus for cleaning submerged surfaces |
| 05/29/1979 | CA1055203A1 Damage preventive device for swimming pools |
| 05/15/1979 | US4154680 Cleaning implement for swimming pools |
| 05/15/1979 | US4154679 Operating mechanism for swimming pool skimmer |
| 05/15/1979 | US4154039 Reinforced building structure and method of manufacture |
| 05/08/1979 | US4152802 Apparatus for cleaning submerged surfaces |
| 05/08/1979 | US4152801 Swimming pool debris collection apparatus |
| 05/08/1979 | US4152791 Fluid control arrangements, applicable to spa facilities |
| 05/01/1979 | US4151617 Swimming pool cover |
| 04/18/1979 | EP0001405A1 Device for covering liquid-filled basins, in particular for swimming pools |
| 04/17/1979 | US4149281 Floating spa |
| 04/10/1979 | US4148234 Tool kit for servicing turbo heads |
| 04/03/1979 | US4146937 Perimeter skimming gutter with fluid level-responsive weir closure for weir skimming flow control |
| 03/27/1979 | US4145770 Floating swimming pool |
| 03/20/1979 | USRE29936 Swimming pool wall |
| 03/06/1979 | US4142258 Swimming pool with wave generating installation |
| 02/27/1979 | US4141101 Self propelled drivehead for automatic swimming pool cleaner |
| 02/20/1979 | US4140634 Swimming pool skimmer shield |
| 02/13/1979 | US4139117 Floating cover assembly |
| 02/06/1979 | US4137612 Buoyant pellet covering for swimming pools |
| 02/06/1979 | US4137576 Swimming pool |
| 02/06/1979 | US4137575 Swimming pool tarpaulin |
| 01/30/1979 | US4136850 Form for pool decks |
| 01/30/1979 | US4136408 Lightweight removable cover for a pool, greenhouse or the like |
| 01/23/1979 | US4135549 Swimming pool fluid distribution system |
| 01/23/1979 | US4135259 Cover assembly for swimming pool |
| 01/23/1979 | US4135257 Floating pool cover |
| 01/23/1979 | US4135256 Floating swimming pool |
| 01/23/1979 | CA1046706A1 Swimming pool cover with a floating forward edge |
| 01/09/1979 | US4133068 Cleaning apparatus for submerged surfaces |
| 01/09/1979 | US4133059 Automated surge weir and rim skimming gutter flow control system |
| 01/09/1979 | US4133058 Automated pool level and skimming gutter flow control system |
| 12/19/1978 | US4129905 Swimming pool rescue net |
| 12/19/1978 | US4129904 Swimming pool cleaner |
| 12/12/1978 | CA1043953A1 Swimming pool construction |
| 11/28/1978 | US4126925 Skimmer assembly |
| 11/28/1978 | US4126905 Floating therapy pool |
| 11/14/1978 | US4124907 Swimming pool, and components thereof |
| 11/14/1978 | US4124906 Child's crib for use in a pool |