| GF General Filter Company
74495937 02 Mar 1994 | on 08 Jun 2002 | aerators/degasifiers, clarifiers, filters and softeners for water trea... Class 011 Class 011 Environmental Control Instrument Products (lighting,heating,cooling,cooking) aerators/degasifiers, clarifiers, filters and softeners for water treatment in the field of water clarification, water purification, water softening, water conditioning, water filtration, and dewatering | | | GF General Filter Company
73114480 02 Feb 1977 | on 22 Dec 2001 | Water Treatment Systems Comprising Aerators, Iron and Manganese Remova... Class 011 Class 011 Environmental Control Instrument Products (lighting,heating,cooling,cooking) Water Treatment Systems Comprising Aerators, Iron and Manganese Removal Plants, Mixers, Flocculators, Solid Contact Treating Units, Carbon Absorption Columns, Recarbonators, Sludge Collectors and Thickeners, Packed Bed Reactors, Stripping Towers, Chemical Feeders, Ion Exchangers, Flow Indicators, Filters, Rotary Distributors for Filters, Clarifying Systems and Potable, Process and Waste Water Treatment Plants | | | SURF General Filter Company
74310409 01 Sep 1992 | on 17 Feb 2001 | filters for industrial waste water treatment,filters for industrial wa... Class 011 Class 011 Environmental Control Instrument Products (lighting,heating,cooling,cooking) filters for industrial waste water treatment | | | GFC GENERAL FILTER COMPANY
71632611 16 Jul 1952 | on 10 Jul 1995 | FILTERS AND WATER SOFTENER TANKS,FILTERS AND WATER SOFTENER TANKS Class 031 Class 031 Natural Agricultural Products FILTERS AND WATER SOFTENER TANKS | | | PAK TOR GENERAL FILTER COMPANY
72460913 21 Jun 1973 | on 03 Apr 1995 | WASTE WATER TREATMENT APPARATUS-NAMELY, A PACKED BED REACTOR,WASTE WAT... Class 031 Class 031 Natural Agricultural Products PACKEDOR | | | DUOVAL GENERAL FILTER COMPANY
72372019 29 Sep 1970 | on 15 Feb 1993 | WATER FILTRATION EQUIPMENT-NAMELY, FILTRATION TANK UNITS AND ASSOCIATE... Class 031 Class 031 Natural Agricultural Products WATER FILTRATION EQUIPMENT-NAMELY, FILTRATION TANK UNITS AND ASSOCIATED INLET AND OUTLET CONTROLS | | 
