MHWirth

[Class - 35]

Compilation, systemization and processing of information for use in databases; business management and office administration; collection of data in computer databases.

[Class - 37]

Technical consultancy in relation to installation and maintenance of drilling apparatus and installations, including drilling towers.

[Class - 7]

Mechanical drilling tools and drilling installations, the latter consisting predominantly of drilling tools and apparatus for the operation thereof, auxiliary apparatus, gears and motorised drives, in particular for water management, the construction industry, mining, marine technology, for exploratory drilling; rotary table drilling rigs, core drilling rigs, well drilling rigs, pole drilling rigs, shaft drilling rigs, large-hole drilling rigs, blast-hole drilling rigs, investigation drilling rigs, injection drilling rigs, anchor drilling rigs, airlift drilling rigs and jet drilling rigs, equipment and apparatus for pile foundation, rotary drilling installations, predominantly consisting of drilling towers, hoists, countershafts, motorised drives, for drilling on land and at sea; mechanical equipment for the aforesaid equipment and installations, namely masts, pulleys, hoists and winches, gears, including compound gears, motorised drives, compressors, shut-off valves, including preventers, vibrating screens, pipe repositioning and handling tools, drill pipe magazines, top drives, pipe installation machines, flushing heads, rotary tables, actuator inserts; parts for the aforesaid apparatus and equipment; drill pipes and parts therefor, pipes, couplings, connectors, stabilisers, drill collars, mechanical pipe installation and removal tools, all being for drilling technology; roller bits; cutting rollers; cutting roller holders; core bits; large-diameter roller bits; expansion bits; eccentric bits; undercutters; step drills, cone bits; scrapers; dry core drills; snails; mud augers; bucket drills; mud bailers; borehole coring apparatus; elevators [lifts]; elevator bails; guide pieces; sockets and bowl inserts; tongs; power slips; bowls; safety clamps; thread protectors; fishing taps; bell sockets; lifting elements; controlling and regulating apparatus, in particular for drilling tools and for machines and equipment for drilling; pumps, in this class; high pressure pumps, in particular piston pumps and plunger pumps, with mechanical drives and with pressure-medium drives (hydrostatic pumps); rinsing pumps for drilling tools, feed pumps, pumps for sediment transport, parts for the aforesaid pumps; tensioning apparatus and equipment (tensioning devices), operating using a pressurising agent, for screw and bolt connections, including those for pre-tensioning of expansion screws, in particular for closures and for mutually securing connecting parts in high-pressure vessels and pumps; mechanical apparatus and tools for rotating of screws, bolts and nuts, in particular in combination with tensioning apparatus and equipment, lifting apparatus and equipment for screws, bolts and nuts, parts for all of the aforesaid apparatus and equipment; pumps (machines); tube conveyors, pneumatic; mud catchers and collectors (machines); control mechanisms for machines, engines or motors; control cables for machines, engines or motors; winches; sludge pumps; including all of the aforesaid goods for underwater use; underwater hydraulic systems; underwater electronic systems; electrotechnical plug-in connectors; all of the aforesaid goods being mechanical installations, machines or parts thereof.