U.S. federal trademark · Serial No. 85453934 · Reg. No. 4463163
Floating and non-floating drilling rigs; machines and equipment for oil development and refinement, namely, drilling jar which is connected with drill tool and worked with drill string and is a down hole freeing tool in drilling operations used to fix clogs, control equipment for surface mounted blowout preventer stacks, drilling machines; machines and apparatus for the petrochemical industry, namely, gas and liquid separators; drilling machines; special mud pumps for the petroleum industry; rinsing machines, namely, washing machines for the petroleum industry for rinsing ores; drifting machines, namely, machines for separating oil; oil pump specially used for petroleum; mine-working machines, namely, excavators, conveyors, graders, rinsing machines, net hauling machines, extractors for mines, mine borers
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.