| Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
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	 Jul 26 1972 | 
	  | 
	 Automatic swimming pool cleaner | 
	 
    
	 | 3972339,  | 
	 Jul 26 1972 | 
	  | 
	 Automatic swimming pool cleaner | 
	 
    
	 | 3979788,  | 
	 Jul 05 1974 | 
	 Bieri Pumpenbau A.G. | 
	 Mobile machine for cleaning swimming pools | 
	 
    
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	 Jun 24 1976 | 
	  | 
	 Swimming pool cleaners | 
	 
    
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	 Nov 04 1976 | 
	 D. J. V. D., Chauvier | 
	 Apparatus for cleaning submerged surfaces | 
	 
    
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	 Jun 28 1976 | 
	 Sommer, Schenk AG. | 
	 Cleaning implement for swimming pools | 
	 
    
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	 Aug 19 1976 | 
	 Daniel Jean Valere Denis, Chauvier | 
	 Apparatus for cleaning submerged surfaces | 
	 
    
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	 Dec 15 1976 | 
	 Wira Limited | 
	 Pool cleaners | 
	 
    
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	 Aug 19 1976 | 
	 KREEPY KRAULY USA, INC  | 
	 Apparatus for cleaning submerged surfaces | 
	 
    
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	 Aug 23 1976 | 
	 Baracuda International Corporation | 
	 Cleaning apparatus for submerged surfaces | 
	 
    
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	 May 14 1971 | 
	 JANDY INDUSTRIES, INC , A CORP  OF CA | 
	 Automatic pool cleaners | 
	 
    
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	 Sep 09 1977 | 
	 Tonka Corporation | 
	 Mountable wheel for toy vehicle | 
	 
    
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	 Dec 31 1978 | 
	 Nintendo Co., Ltd. | 
	 Self-propelled cleaning device with wireless remote-control | 
	 
    
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	 Aug 14 1980 | 
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	 Simplified pool cleaning apparatus | 
	 
    
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	 Dec 18 1979 | 
	 ZODIAC POOL CARE, INC  | 
	 Cleaning apparatus for submerged surfaces | 
	 
    
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	 Aug 07 1981 | 
	 HYDROTECH INDUSTRIES, INCORPORATED | 
	 Power pool cleaner | 
	 
    
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	 Aug 12 1981 | 
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	 Device for cleaning swimming pool sidewall | 
	 
    
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	 Mar 25 1982 | 
	 H-TECH, INC  | 
	 Pool cleaning device for rolling operation under pool cover | 
	 
    
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	 Sep 30 1980 | 
	 H-TECH, INC  | 
	 Apparatus for cleaning submerged surfaces | 
	 
    
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	 Mar 01 1983 | 
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	 Swimming pool sweep | 
	 
    
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	 Apr 02 1982 | 
	 H-TECH, INC  | 
	 Suction cleaners | 
	 
    
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	 Jan 26 1984 | 
	 HELLER FINANCIAL, INC  | 
	 Pool cleaner | 
	 
    
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	 Nov 01 1984 | 
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	 HELLER FINANCIAL, INC  | 
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	 Oct 04 1985 | 
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	 Mar 12 1984 | 
	 Spooner Est | 
	 Cleaning of a body of liquid | 
	 
    
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	 Dec 18 1984 | 
	 H-TECH, INC  | 
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	 Pool vacuum | 
	 
    
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	 Oct 03 1986 | 
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	 Jan 23 1987 | 
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	 Underwater pool cleaner | 
	 
    
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	 Sep 04 1986 | 
	 ZODIAC POOL CARE, INC  | 
	 Swimming pool cleaning device | 
	 
    
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	 Mar 11 1985 | 
	 Spooner Est | 
	 Apparatus for cleaning a body of liquid | 
	 
    
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	 Mar 11 1985 | 
	 Spooner Est | 
	 Cleaning of a body of liquid by surface agitation | 
	 
    
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	 Oct 21 1986 | 
	 POLARIS POOL SYSTEMS, INC ; ZODIAC POOL CARE, INC  | 
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	 Mar 12 1984 | 
	 Spooner Est | 
	 Cleaning of a body of liquid | 
	 
    
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	 Jan 07 1988 | 
	 SUPRA PROJECT DESIGNS  PROPRIETARY  LTD  | 
	 Pool cleaner | 
	 
    
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	 Aug 20 1988 | 
	 Pooltec Establishment | 
	 Automatic swimming pool cleaner | 
	 
    
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	 Mar 29 1989 | 
	 PARAMOUNT LEISURE INDUSTRIES, INC  | 
	 Operatively stationary pool cleaning apparatus | 
	 
    
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	 Jan 21 1988 | 
	 REGENTS OF THE UNIVERSITY OF CALIFORNIA, THE, A CORP  OF CA  | 
	 Remotely operated submersible underwater suction apparatus | 
	 
    
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	 Nov 16 1988 | 
	 RAINBOW ACQUISTION CORP  | 
	 Submersible vacuum cleaner | 
	 
    
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	 Jun 28 1988 | 
	 EGATECHNICS S R L , P ZZA DELLA MOTTA, 6 A- | 
	 Automatic, self-propelled cleaner for swimming pools | 
	 
    
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	 Aug 15 1988 | 
	 POLARIS POOL SYSTEMS, INC ; ZODIAC POOL CARE, INC  | 
	 Swimming pool cleaner | 
	 
    
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	 Oct 12 1988 | 
	 Daniel J. V. D., Chauvier; CHAUVIER, DANIEL J V D  | 
	 Apparatus for cleaning a surface submerged in a liquid | 
	 
    
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	 Oct 29 1990 | 
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	 Swimming pool vacuum cleaner with rotary brush | 
	 
    
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	 Jun 18 1990 | 
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	 Self propelled vacuum driven swimming pool cleaner | 
	 
    
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	 Oct 30 1989 | 
	 TRULOCK PRODUCTS LIMITED                                    A COMPANY OF NEW ZEALAND | 
	 Cleaning apparatus for a liquid containing vessel | 
	 
    
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	 May 03 1988 | 
	 CHAUVIER, DANIEL JEAN DENIS | 
	 Cleaner for submerged surfaces | 
	 
    
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	 Oct 18 1990 | 
	 HAYWARD INDUSTRIES, INC  | 
	 Suction cleaning device | 
	 
    
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	 Jul 25 1990 | 
	 Jean-Pierre, Orset | 
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	 Apr 07 1992 | 
	 LESLIE, PHILIP L  | 
	 Swimming pool cleaner | 
	 
    
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	 Sep 11 1990 | 
	 ZODIAC POOL SYSTEMS, INC | 
	 Hydraulic machine | 
	 
    
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	 Oct 31 1990 | 
	 3S Systemtechnik AG | 
	 Self-propelled cleaning apparatus, particularly for swimming pools | 
	 
    
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	 Jan 04 1993 | 
	 ZODIAC POOL SYSTEMS, INC | 
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	 Sep 21 1990 | 
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	 Automatic swimming pool cleaner | 
	 
    
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	 Apr 12 1993 | 
	 Aqua Products, Inc. | 
	 Directional control means for robotic swimming pool cleaners | 
	 
    
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	 May 26 1993 | 
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	 Swimming pool cleaner | 
	 
    
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	 Apr 01 1993 | 
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	 Suction cleaner for submerged surfaces | 
	 
    
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	 Jul 09 1993 | 
	 H-TECH, INC  | 
	 Automatic pool cleaning apparatus | 
	 
    
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	 Mar 14 1994 | 
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	 Self-contained submersible debris cleaner | 
	 
    
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	 Jul 09 1993 | 
	 ZODIAC POOL SYSTEMS, INC | 
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	 Sep 01 1994 | 
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	 Self-powered pool vacuum with remote controlled capabilities | 
	 
    
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	 Jul 09 1993 | 
	 H-Tech, Inc. | 
	 Automatic pool cleaning apparatus | 
	 
    
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	 Jun 22 1994 | 
	 AquaBroom Products Corporation | 
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	 Oct 28 1994 | 
	 ZODIAC POOL SYSTEMS, INC | 
	 Automatic swimming pool cleaners and associated components | 
	 
    
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	 Apr 22 1994 | 
	 Maytronics Ltd. | 
	 System for underwater navigation and control of mobile swimming pool filter | 
	 
    
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	 Oct 31 1995 | 
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	 Dec 03 1993 | 
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	 Self-propelled underwater electromechanical apparatus for cleaning the bottom and walls of swimming pools | 
	 
    
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	 Aug 22 1994 | 
	 ZODIAC POOL SYSTEMS, INC | 
	 Swiming pool cleaner | 
	 
    
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	 Oct 28 1994 | 
	 ZODIAC POOL SYSTEMS, INC | 
	 Automatic swimming pool cleaners and associated components | 
	 
    
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	 Jun 19 1995 | 
	 ZODIAC POOL CARE EUROPE | 
	 Wheeled vehicle, specifically a swimming-pool cleaning robot, with automatic change of travel direction when meeting an obstacle | 
	 
    
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	 Sep 30 1996 | 
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	 Pool sweep cleaner | 
	 
    
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	 ZODIAC POOL SYSTEMS, INC | 
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