Machines, in particular for the transfer of solid, liquid, and gaseous materials between parts which are movable and in particular rotatable in relation to one another, namely, rotary joints, rotary couplings, current collectors, electrical couplings; brushes being parts of rotating machines and components, motors, generators and dynamos, namely, rotary joint brushes; dynamo brushes

Devices, assemblies, and/or components for transmitting electrical and optical signals and/or energy as well as for data transmission between units which are movable in relation to one another, namely, rotary couplings, rotary joints, current collectors, electrical couplings and rotary joint brushes

Design and development of computer hardware and software; technological services and designer services, namely, rotary couplings, current collectors, electrical couplings; rotary joints, and collectors and parts thereof; industrial research services in the field of rotary couplings, electrical couplings; rotary joints, and collectors and parts thereof; analysis of rotary couplings, electrical couplings; rotary joints, and collectors and parts thereof; design and development of devices, assemblies, and/or components for transmitting electrical and optical signals and/or energy and for data transmission between units which are movable in relation to one another, and between rotary joints, and collectors