Lifting and hoisting equipment, especially vacuum lifting apparatus and lifting or conveying installations composed thereof; mechanically operated conveying and handling apparatus, in particular conveying and handling apparatus operated using negative pressure, in particular for lifting loads; mechanically operated hose lifters and systems and installations composed thereof for lifting loads; mechanically operated grabs, in particular for frictional or positive grabbing of objects, in particular mechanically operated clamping grabs, mechanically operated gripper jaws, mechanically operated inner grabs, mechanically operated needle grippers; mechanically operated grabs for grabbing using negative pressure; mechanically operated suction grabs; suction grabs with flexible gripping surfaces [parts of machines], in particular with structures provided on the suction side; spring brackets for suction grabs [parts of machines]; sleeves for suction grabs [parts of machines]; surface suction grabs [parts of machines], in particular for large scale grabbing of objects, in particular using negative pressure; mechanically operated handling apparatus comprising a variety of suction grabs; suction spiders [parts of machines]; mechanically operated magnetic grabs; mechanically operated flow grabs, in particular for grabbing using positive pressure, compressed gas or compressed air; mechanically operated tensioning devices for fixing work pieces during work piece processing, in particular using negative pressure; clamping devices for use with machine tools; pneumatic components operated using negative pressure for use in gripping systems [parts of machines]; pneumatic components operated using negative pressure for use with robots; pneumatic components operated using negative pressure for use in handling machines; negative pressure generators [parts of machines]; pumps and compressors for use in the following fields: lifting technology; cooling fans being parts of lifting machine, for use in the following fields: lifting technology; compressors for negative pressure generation, especially turbocompressors for use in lifting technology; ejectors [suction pumps], especially basic ejectors, ejector modules, compact ejectors, inline ejectors; diaphgram pumps; vacuum pump installations; universal joints [ball joints] being parts for machines and installations; flange connectors for piping [parts of machines]; valves [parts of machines], machine parts, namely, valves operated by changes in pressure, machine parts, namely, hand slide valves, machine parts, namely, flow valves; flow screens, throttles for flowing fluids [parts of machines]; pneumatically operated pressure switches, pneumatically operated vacuum switches, check valves (machine parts), pressure reducers [parts of machines], taps of metal [parts of machines], machine parts, namely, force operated valves, ball valves [parts of machines], ball valves [parts of machines], valve diaphragms, rotary inlets, vacuum filters for machines, machine parts, namely, pneumatic transporters, machine parts, namely, bellows, vacuum seals (parts of machines); aprons [parts of machines]; engines and motors, except for land vehicles; drive units and general parts of machine for use in relation to the following goods: engines and motors; vacuum pumps [machines], vacuum blowers; electric driving motors for machines, electrical drives for machines; mounting hooks, crane hooks being parts of mechanically lifting apparatus; cranes [lifting and hoisting apparatus], especially jib cranes, pillar jib cranes, wall-mounted cranes, ceiling cranes; fixed and mobile cranes; gantry cranes, especially portal crane systems; pulleys, in particular cable hoists, chain hoists, belt drives; liquid separators, water separators; transferring machines, especially telescopic transferring machines, in particular for loading and reloading luggage; handles being parts of mechanically operated tools; parts for the aforesaid goods, being parts of machines, included in class 7