U.S. federal trademark · Serial No. 79004649 · Reg. No. 3006065
[ Water purification machines ]
Conveyor machines in the nature of conveyors; sludge collecting machines; mechanical screening/sifting systems consisting of cleaning elements like rakes, scrapes, or brushes fixed to chains which are driven by chain wheels fixed on a drive shaft, said drive shaft being driven by a motor, all sold as a unit; screening/sifting machines; machines for separating solids from liquids; water separator machines; raking systems substantially consisting of raking machines built in a trough of concrete or in a container of steel with an electronic switch and control device for automatic operation of the system; machines for separating solids from sludge; machines for separating solids from surface water [ ; machine parts, namely, climbing screens for separating solids from liquids ]
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.