EST Group, Inc.

EST

Manually operated pipe and tube pressure testing, plugging, and repairing hand tools in the nature of manual plug installation and removal tools, namely, heat exchanger tube pluggers for manually installing and removing plugs without requiring electric or pneumatic supplies; manually operated pipe and tube pressure testing, plugging, and repairing hand tools in the nature of pipe tapping tools, namely, pipe tappers for tapping pipes under pressure; and manually operated plumbing tools for precluding fluid flow in pipes, namely, a pipe plugger that is installed on an end of a pipe and that has seal at one end thereof capable of being extended through a valve and expanded within the pipe downstream of the valve so that the valve can be repaired or replaced while the pipe remains under pressure;Pipe and tube pressure testing and plugging apparatus, namely, portable hydrostatic test pumps for testing heat exchanger and condenser tubes, pneumatic and vacuum test guns for testing heat exchanger and condenser tubes, and hydraulic rams for installing plugs in heat exchanger and condenser tubes;Metal pipe and tube pressure testing and plugging apparatus, namely, pipe and tube hydrostatic test plugs, heat exchanger and condenser tube plugs, and heat exchanger and condenser tube stabilizers plugs;Color is not claimed as a feature of the mark.;

EST GROUP INC

Heat exchanger and condenser tube plugging and repairing services;Color is not claimed as a feature of the mark.;GROUP INC;Heat exchanger and condenser tube testing services;

ESTHX

Repairing, retubing, rebuilding, and maintaining heat exchangers and pressure vessels;EST HEAT EXCHANGERS;Heat exchangers and heat exchanger parts, namely, pressure vessels;Pipe, pipe flange, and tank testing services and pressure vessel design services;

GRIPTIGHT

Reusable metal hydrostatic high-pressure test isolation plug for pressure testing open end pipes, pipelines, tubes and pressure vessels;GRIP TIGHT;

GRIPTIGHT MAX

reusable metal hydrostatic high-pressure test isolation plugs for use in creating a seal within open-ended elbow joints of pipes, pipelines, tubes, pressure vessels;

GTMAX

reusable metal hydrostatic high-pressure test isolation plugs for use in creating a seal within open-ended elbow joints of pipes, pipelines, tubes, pressure vessels;GT MAX;

HYDRA-LOC

Machine for expanding metallic tube sleeves within host heat exchanger and condenser tubes;Metallic tube sleeves for repairing heat exchanger and condenser tubes;Repair services, namely, repairing of heat exchanger and condenser tubes by expanding a metallic tube sleeve within the inlet end of a host tube;HYDRA-LOCK;