Patents
Sitemap › E04 - Building › E04H - Buildings or like structures for particular purposes; Swimming or splash baths or pools; Masts; Fencing; Tents or canopies, in general › E04H 4 - Swimming or splash baths or pools
Patents for E04H 4 - Swimming or splash baths or pools (9,370)
02/1982
02/23/1982US4316571 Wall construction method for swimming pools
02/23/1982CA1118552A1 Swimming pool integral structural wall brace system
01/1982
01/20/1982EP0044104A1 Cover for a liquid-filled pool
01/12/1982CA1116044A1 Valve
12/1981
12/29/1981CA1115004A1 Tub cover
12/22/1981US4306394 Swimming pool
12/22/1981US4306393 Swimming pool deck system
12/22/1981CA1114556A1 Pool liner retainer
12/16/1981EP0041516A1 Liquid retaining structures.
12/08/1981US4304022 Underwater cleaning apparatus
12/01/1981US4303226 Swimming pool fence
11/1981
11/24/1981US4302406 Apparatus for heating water in a reservoir
11/24/1981CA1112806A1 Swimming pool construction and method of making the same
11/18/1981EP0040064A2 Method of making a concrete or like building construction and a constructional mould unit for use in the method
11/17/1981US4300246 Pool cleaning head
11/03/1981US4297819 Reinforced molded resin pool wall
10/1981
10/20/1981USRE30774 Lightweight removable cover for a pool, greenhouse or the like
10/20/1981CA1110803A1 Method of constructing a swimming pool
10/06/1981US4292696 Swimmer arrival signal panels incorporated in a swimming pool bulkhead
09/1981
09/22/1981US4290241 Stave assemblies, staves, and tubs constructed therewith
09/22/1981US4290153 Method and apparatus for generating a controlled current flow and waves in a water pool
09/15/1981US4289155 Apparatus for cleaning a swimming pool
09/01/1981CA1107907A1 Vinyl liner and sealing groove assembly for pools
08/1981
08/25/1981US4285078 Automatic swimming pool cover
08/18/1981US4283804 Swimming pool structure
08/18/1981US4283801 Hydraulic cylinder for multilevel submersible safety deck or decks for pools
08/11/1981US4282893 Cleaning device for swimming pools
08/04/1981US4281995 Automatic pool cleaners
08/04/1981US4281830 Log roll article
08/04/1981US4281422 Swimming pool winterizing disconnect unit
07/1981
07/28/1981US4280477 Combination fence and solar heater for swimming pools
07/21/1981US4279128 Heat pump swimming pool heater
07/14/1981US4277979 Scan-control apparatus for pulse-echo ultrasonic imaging system incorporating oscillated transducer
07/14/1981CA1104894A1 Swimming pool blanket
07/08/1981EP0031773A2 Modular vertical construction element especially intended for use in retaining structures, and process for making such structures
07/08/1981EP0031333A1 Method of producing a swimming pool cover
07/07/1981US4276664 Apparatus for wave-making
07/07/1981US4276661 Wave-making apparatus
06/1981
06/30/1981US4276163 Hydrostatic relief valve
06/30/1981US4275474 Vacuum head for swimming pool cleaning system
06/25/1981WO1981001722A1 Method of and apparatus for building construction
06/11/1981WO1981001585A1 Pool construction
06/09/1981US4271542 Swimming pool platform and components
06/09/1981US4271541 Apparatus for intermittent delivery of fluid under pressure
06/02/1981US4270232 Thermal pool cover
05/1981
05/20/1981EP0028953A1 Water or sand box
05/19/1981US4268387 Filtration system
05/19/1981US4268386 Ladder with hollow stiles, skimmer box and filter unit
05/12/1981CA1100709A1 Swimming pool wall of resin panels
05/05/1981US4265598 Apparatus and method for de-actuating swimming pool equipment
04/1981
04/28/1981US4263759 Swimming pool construction and method of making the same
04/28/1981CA1100011A1 Floatable cover capable of partially or fully covering swimming pools
04/21/1981US4262373 Swimming pool cover assembly
03/1981
03/24/1981US4257132 Collapsible pool cover assembly
03/10/1981US4254525 Submerged surface vacuum cleaner
03/03/1981US4253202 Automatic adjusting wave gutter for swimming pools
02/1981
02/24/1981US4251889 Swimming pool cover
02/10/1981US4249273 Tile construction for a swimming pool
02/04/1981EP0023285A2 Flexible swimming-pool cover
02/03/1981CA1094754A1 Swimming pool structure
01/1981
01/27/1981US4247216 Quick connect handle for swimming pool cleaning tools
01/22/1981WO1981000129A1 Swimming pool cover
01/20/1981US4245810 Apparatus for constructing concrete cantilevered decking around swimming pools
01/13/1981CA1093254A1 Pool floor
12/1980
12/30/1980US4241464 Fluid jet device
12/23/1980US4240174 Self-contained mobile pool cleaning apparatus
12/23/1980US4240173 Pool vacuum
12/23/1980US4240165 Spa installation
12/16/1980CA1091402A1 Tile construction for a swimming pool
12/02/1980US4236259 Spa cover
12/02/1980US4236258 Automatic swimming pool cover
11/1980
11/25/1980US4235008 Method of gutter construction for swimming pools
11/25/1980US4234973 Tub cover
11/18/1980US4233702 Fish tank rock cleaner
11/18/1980US4233695 Swimming pool cover with rain water drainage and filter means
11/11/1980US4232491 Swimming pool deck
10/1980
10/29/1980EP0017974A2 Cleaning device for swimming-pool
10/28/1980US4229844 Swimming pool coping
10/28/1980US4229843 Pool floor
10/21/1980US4228553 Storage and dispensing apparatus for swimming pool vacuum hose
10/14/1980US4227621 Sealed tub
10/14/1980US4227542 Collapsible shelter
10/14/1980US4227361 Method of constructing a swimming pool
10/14/1980US4227266 Ground water level control system
09/1980
09/30/1980US4225437 Pool skim net with rock scoop
09/30/1980US4225436 Apparatus for swimming pool water surface cleaning
09/23/1980US4223498 Prefabricated swimming-pool construction
09/09/1980US4221662 Pool skimming device
09/02/1980US4219894 Tile construction for a swimming pool
08/1980
08/26/1980CA1084215A1 Dirt remover for a water tank
08/05/1980CA1082853A1 Swimming pool with wave generating installation
07/1980
07/15/1980US4212740 Floating weir and strainer basket construction
07/15/1980US4212088 Apparatus for cleaning swimming pools
07/09/1980EP0012998A1 Covering device for swimming pool
07/08/1980US4211249 Liquid level control system
06/1980
06/24/1980US4208752 Cleaning apparatus for submerged surfaces
06/10/1980US4206522 Automated surge weir and rim skimming gutter flow control system
06/10/1980US4206521 Bulkhead for swimming pools
06/03/1980US4205499 Pool wall and deck assembly and method of assembling the same
05/1980
05/20/1980US4203174 Automatic swimming pool cover and cover washer
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