PETERSEN

Metal seals and metal tapping seals for use in sealing sections of pipes and pipelines

Parts of machines and machine tools in the nature of hot tapping machines used for tapping into live pressurized pipelines, namely, drill shafts, hole saws, hole bits, tapping valve adapters and chip hose adapters

pipe and plug flusher accessories, namely plug inflation controllers, namely pressure gauge and pressure relief valve, hoses, and automatic mechanical valve

Hydraulic drain flushers

Non-metal seals for use in sealing sections of pipe and pipelines; inflatable rubber pipe and pipeline stoppers, rubber plugs and rubber hose for use with hydraulic pipe and pipeline flushers and rubber anchoring harness used to guide inflatable plug into place