04
Fuels (including motor spirit)
07
Motors (except motors for land vehicles), particularly for
power generation from renewable sources, especially in
combination with power/heat and power plants, machines and
engines to produce gas and heat (waste heat), included in
this class, internal combustion engines with coupled heat
exchanger to generate electricity and heat production as
complete units (CHP), couplings and transmission components
(except for land vehicles), generators; pumps for heating
systems
09
Apparatus and instruments for conducting, switching,
transforming, accumulating, regulating or controlling
electricity, especially electrical and electronic apparatus
and instruments and software for the regulation, control and
monitoring of solar, biogas, fuel cell, wind and hydropower
and geothermal plants
11
Lighting, heating, steam generating, cooking, refrigerating,
drying ventilating, water supply, burner for liquid or
gaseous fuels, heating systems, parts of the aforesaid
goods, included in this class hot water heaters, boilers,
gas boilers, heating systems, air conditioning and sanitary
installations, particularly fermentation vessel (fermenter)
of biogas plants, hydrogen-oxygen torch, gas generators,
solar collectors and solar furnaces, heat pumps, heat
recovery, thermal storage, heat exchangers not parts of
machines, hot water heating systems
19
Building materials (non-metallic), pipes (not of metal) for
building, asphalt, pitch and bitumen, transportable
buildings (not of metal)
35
Advertising and sales research for renewable energy concepts
and new technologies on environment and energy, business
management advice and business advice as part of the
franchise business, business administration, business and
organizational advice in the management, control and
monitoring of enterprises, business planning and consulting
in the field of energy and heat supply, business management
consultancy, business management for third parties in
particular in the field of energy supply
37
Construction, especially for assembly, maintenance, upkeep
and repair of technical equipment for the rehabilitation,
installation services for heat generation, heat transfer and
heat distribution systems and combined heat and power plants
and cogeneration plants, including installation of
pipelines, electrical and heating apparatus, installation of
heating ventilation and air conditioning systems,
installation, maintenance and repair of power generating
apparatus
39
Transport and storage of fuels and heating, transport and
distribution of heat, rental of heat transport and heat
distribution systems
40
Production of energy, particularly electricity and heat and
of energy from renewable energy sources, namely the
production of vegetable oil from agricultural products such
as rapeseed or sugar, rental of heating equipment
42
Technical services and technical advice in connection with
the development, deployment and use of renewable energies,
technical research; technical advice in connection with
energy-saving measures, environmental energy consulting,
consulting in the field of energy saving services of an
engineer, especially in the field of energy supply,
measurement and control technology and heating technology,
technical planning of energy supply concepts for third,
technical planning and consulting in the field of energy and
heat supply, technical development of equipment,
construction planning, technical monitoring heat generation,
heat transfer and heat distribution systems and combined
heat and power plants and cogeneration plants, including
measuring instruments
44
Consultancy and advisory services relating to agriculture,
horticulture and forestry using of renewable energies,
especially the cultivation of plants for the production of
propellants and fuels, advisory and consultancy services in
relation to the use of agricultural and horticultural
fertilisers and pesticides