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Patent NO. Patent Title
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25 20040159617 Self-cleaning water filter
26 20040139711 Dust collector with an inbuilt cyclonic water filter
27 20040129652 Portable drilling water filter with self-cleaning system
28 20040129617 Water filter device
29 20040118779 Unitary water filter assembly for removal of chemical and microbiological contaminants
30 20040007516 Water filter assembly
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32 20030217959 Low spillage replaceable water filter assembly
33 20030163865 WARM/COLD DOUBLE-CIRCULATION WATER FILTER SYSTEM AND SWIMMING POOL ARRANGEMENT
34 20030146144 Drain water filter assembly
35 20030111430 Self cleaning water filter
36 20030098273 Self cleaning water filter
37 20030075492 Laminated modular water filter
38 20030034289 Water filter
39 20030034287 Laminated modular water filter
40 20030024259 Hinge down refrigerator water filter
41 20030019819 Hot disconnect replaceable water filter assembly
42 20030019805 Low spillage replaceable water filter assembly
43 20030015483 Black water filter for high ash containing feedstock
44 20030000881 Anti-cheating device for water filter
45 20020189988 APPARATUS FOR CLEANING A SWIMMING POOL WATER FILTER
46 20020189983 Water filter monitoring and indicating system
47 20020178537 Vacuum cleaner with water filter
48 20020134720 Waste water filter having multiple wall filter elements and outlet protection
49 20020084213 WARM/COLD DOUBLE-CIRCULATION WATER FILTER SYSTEM AND SWIMMING POOL ARRANGEMENT
50 20020040868 Self-cleaning water filter
 
 
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