7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; air intake systems, including air cleaners and filters for cleaning air for engines; vehicular air filter products, namely, filters, filter housing, oil filters (not being parts of lubrication systems of internal combustion engines); oil filters and fuel filters for land vehicle engines; ductwork and clamps; air filters for fuel cells; dust filters for industrial applications, gas turbines and tank engines; mechanical dust collectors and dust separators of an industrial nature for use in manufacturing processes; filters for land vehicle engines; air filters for fixed-wing airplanes and helicopters; filters having a non-woven fibrous filter media in the nature of synthetic fibers or treated paper, for air filters used in vehicular engine applications, industrial applications and gas turbines
11
Filtration media in the form of a membrane or multi-layer fabric for use in filtering gases, an/or liquids; microporous membranes for the venting, filtration, sterile filtration and purification of liquids and gases in breather vent, gas sensor, chemical venting, process chemical purification, sterile hydrophobic venting, and electronic and computer air filter applications; all afore-mentioned goods not for pet keeping
17
Filtering materials, in particular microporous semipermeable PTFE membrane; plastic in the form of porous PTFE membrane sheets for use in manufacturing; polymeric filter media for domestic and industrial filtration