6
Tanks of metal; Containers of metal for compressed gas or liquid air; Closures of metal for containers; Penstock pipes of metal; Flanges (collars) of metal; Metal tubing; Collars of metal for fastening pipes; Pipe muffs of metal; Containers of metal for liquid fuel; Containers and tanks of metal for liquid fuels
7
Machines and apparatus for conveying and pumping purposes, and installations and equipment consisting thereof; Pumps (parts of machines, engines or motors); Filters, separators, magnetic filters, filter bodies, filter funnels, strainers, extractors, condensers, droplet separators, adsorbers, fluid separators, phase separators and de-oilers being parts for machines, motors and engines; Fuel filters and separators for fuelling vehicles and aeroplanes; Filter presses; Centrifuge machinery; Fuel filters for fuelling vehicles and aeroplanes, combined with a pressure measuring and/or indicating devices connected to the filter; Heat exchangers (parts of machines); Fuel delivery pumps; Fuel delivery pumps for service stations and installations consisting thereof
9
Instruments and apparatus for controlling the fuel level in fuel tanks, for fuel vapour recovery and for diagnosing leaks in fuel tanks; Self-regulating fuel pumps; Electric and electronic measuring, signalling, control and regulating apparatus for fuel pumps and installations, as well as fuelling installations; Electric and electronic fuel filter monitoring apparatus and equipment; Lasers, not for medical purposes; Regulating and safety accessories (included in class 9) for fuel pumps and installations, as well as fuelling installations
11
Drying and ventilating apparatus (air conditioning), heat exchangers, refrigerating apparatus and installations, refrigerating installations for liquids; Refuelling installations, consisting predominantly of fuel delivery pumps
12
Aeronautical apparatus, machines and appliances; Vehicles and aeroplanes, and parts therefor (included in class 12)
37
Pumping, condensing and ventilating
40
Services in the field of filtering, in particular the filtering of fuels, including aviation fuel; Separation, straining, splitting, adsorbing, precipitation, sedimentation, media and material conveying, centrifuging, material processing, dosing, depositing, agitating, liquid and gas treatment