Description: Class 1: Pelletized chemicals for rehabilitation of encrusted wells; chemicals to reduce the viscosity of drilling fluid additive; granular acid, liquid acid, clay dispersant, bioacid, biocaustic dispersant, nonionic dispersant, surfactant and chlorine enhancer for removal of scale and mineral deposits and accumulations and for dissolution and dispersion of polyphosphates and organic compounds
Class 6: Metal industrial screening, well screens, screen panels and well points for industrial, agricultural, municipal, environmental, mining, surface water filtration, and oil and gas purposes; metal architectural screens for floor covering, column covers, wall dividers, wall covering, venting and decorative structures
Class 7: Filters in the nature of machine parts, filter nozzles in the nature of machine parts and filtering units in the nature of food processing, refining, mineral processing, and fluid and solid separation machines for industrial, agricultural, municipal, environmental, oil and gas purposes
Class 11: Water filters, irrigation spray filter nozzles and filtering units in the nature of water filtering apparatuses for industrial, agricultural, municipal, food processing, refining, mineral processing, fluid and solid separation, environmental, oil and gas purposes
Class 20: Filter nozzles in the nature of hose nozzles for industrial, agricultural, municipal, food processing, refining, mineral processing, fluid and solid separation, environmental, oil and gas purposes
Class 37: Pipeline construction services for others in connection with the use of industrial screening and filters for industrial, refining, mineral processing, agricultural, architectural, municipal, environmental, oil and gas purposes
Class 40: Construction services for others, namely, custom construction of industrial screening and filters for industrial, refining, mineral processing, agricultural, architectural, municipal, environmental, oil and gas purposes
Class 42: Engineering and design services for others in the field of industrial screening and filters for industrial, refining, mineral processing, agricultural, architectural, municipal, environmental, fluid and solid separation, oil and gas purposes and surface water applications
