IC 007. US 013 019 021 023 031 034 035. G & S: Mixing machines, grinding machines, kneading and granulating machines for the chemical, pharmaceutical, plastics rubber, mineral material, textile, cosmetic and food industry and for power plants; centrifugal machines, namely, centrifugal separators, and reactors, namely, industrial chemical reactors for the chemical, pharmaceutical, plastics, rubber, mineral material, textile, cosmetic and food industry and for power plants; automatic bulk material processing plants, namely, granulating machines for processing bulk materials and plastics, separating machines for processing bulk materials, dissolving machines for processing bulk materials; machines, namely, pneumatic, hydraulic and mechanical conveyors for bulk materials like rotary valves, chain conveyors, belt conveyors, pressure or vacuum pot conveyors; machines, namely, separating machines for processing bulk materials, separators, namely, dust separators, machines for separating target materials from mixtures of materials, vibratory screen separators, centrifugal separators, cyclone separators, counter flow separators, water separators; heat exchangers for bulk materials; machine parts, namely, discharging devices for discharging bulk materials from containers, silos and bunkers; screw machines for dosing and discharging bulk materials; machines, namely, cellular wheel sluices for dosing of bulk materials; diverters for pneumatic or hydraulic conveying machines for bulk materials for diverging of bulk materials; hydraulic pumps, pneumatic pumps; ventilators, namely, blowers for motors and engines; air compressors, gas compressors. filters as parts for compressed-air tools, air filters for mechanical purposes, filters for hydraulic and mechanical conveyers for bulk materials proportional flow valves as parts of machines, pump control valves, valves as machine components, fans for hydraulic, pneumatic and mechanical conveyers for bulk materials machine parts, namely, closing and discharging devices for mechanical discharging hoppers; heat exchangers as parts of machines; pneumatic and mechanical machines for charging and discharging ships, railcars, containers and reservoirs, namely, hoisting apparatuses and hoisting engines; screw extruders for the food, plastics, rubber and chemical industry for mixing and extruding materials; gears for driving such screw extruders; granulating machines for granulating material extruded by such screw extruders; machine parts of dust and water separators made of metal, namely, particle filters made of metal, nozzles as parts of power operated sprayers and compressors, shut-off valves with displaceable shut-off member made of metal as machine components; electric control devices for machines, machine parts or motors; parts of the aforementioned goods included in this class, namely, air distribution units and air volume control units for pneumatic conveying systems, hydraulic and pneumatic power units to extract samples of bulk material conveyed in hydraulic, pneumatic or mechanical conveyors and stored in hoppers

IC 011. US 013 021 023 031 034. G & S: Heat exchangers for bulk materials not as parts of machines