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OBTAINING ENERGY FROM RADIOACTIVE SOURCES; APPLICATIONS OF RADIATION FROM RADIOACTIVE SOURCES; UTILISING COSMIC RADIATION (measurement of nuclear or X-radiation G01T; fusion reactors G21B; nuclear reactors G21C; semiconductor devices sensitive to electro-magnetic or corpuscular radiation H01L 31/00)
Definition statement
This subclass covers:

Arrangements for obtaining electrical energy from radioactive sources, e.g. from radioactive isotopes.

Arrangements for direct conversion of radiation energy from radioactive sources into forms of energy other than electrical energy.

Applications of radiation from radioactive sources or arrangements therefor.

Use of effects of cosmic radiation.

References relevant to classification in this subclass
This subclass does not cover:

Fusion reactors

Nuclear fission reactors

Techniques for handling particles or electromagnetic radiation not otherwise provided for; irradiation devices, gamma- or X-ray microscopes

Electric discharge tubes or discharge lamps

Apparatus for generating ions to be introduced into non-enclosed gasses, e.g. into the atmosphere

Examples of places where the subject matter of this subclass/group is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:

Use of radiation to produce mutation in plants

Preservation of meat, sausages, fish, eggs, fruit, vegetables or edible seeds by irradiation without heating effect

Preservation of milk or milk preparations by irradiation

Preservation of non-alcoholic beverages or foodstuffs by irradiation without heating

Medicinal preparations obtained by treating materials with wave energy or particle radiation

Methods or apparatus using radiation for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses

Radiation therapy; therapy using X-rays, gamma rays or particle-irradiation

Applying radioactive material to the body

Direct application of radiation to physical, chemical or physico-chemical processes in general

Use of radiation for separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect

Use of radiation for pre-treatment of surfaces to which liquids or other fluent materials are to be applied, or after-treatment of applied coatings

Use of radiation in the working of plastics; after-treatment of articles without altering their shape; apparatus therefor

Railway trackside devices actuated by radiation and controlled by interaction with a vehicle or train

Railway trackside devices using radiation to control devices on a vehicle or train

Polymerisation initiated by wave energy or particle radiation; in addition polymers

Processes for treating or compounding macromolecular substances by wave energy or particle radiation

Chemical treatment or coating of shaped articles made of macromolecular substances using wave energy or particle radiation

Use of radiation for cracking of hydrocarbon oils

Use of radiation for reforming naphtha

Use of radiation for pasteurisation, sterilisation, preservation, purification, clarification or ageing of alcoholic beverages

Use of radiation for bleaching fibres, threads, yarns, fabrics, feathers, or made-up fibrous goods, leather or furs

Measuring angles, areas, length, thickness or similar dimensions, or irregularities of surfaces or contours, using wave or particle radiation

Transducers not specially adapted for a specific variable using wave or particle radiation derived from a radioactive source

Investigating fluid tightness of structures using radioactive material

Investigating or analysing materials by the use of wave or particle radiation

Investigating or analysing materials through the ionisation of gases, using wave or particle radiation to ionise a gas

Chemical analysis of biological material; immunoassay or bio-specific binding assays involving radioactive-labelled substances

Geophysics; prospecting or detecting using primary nuclear radiation sources

Fire alarms or alarms responsive to explosion, actuated by the presence of smoke or gas detected by an ionisation chamber

Carrying off electrostatic charges by means of ionising radiation

Informative references
Attention is drawn to the following places, which may be of interest for search:

Measurement of nuclear or X-radiation

Particle spectrometer ion sources or ion guns using particle bombardment, e.g. ionisation chambers

Semiconductor devices sensitive to electromagnetic or corpuscular radiation

Special rules of classification within this subclass

Classification of both important (invention) information and additional information is obligatory.

Arrangements for obtaining electrical energy from radioactive sources, e.g. from radioactive isotopes, { nuclear or atomic batteries}
Informative references
Attention is drawn to the following places, which may be of interest for search:

Photoelectric discharge tubes not involving the ionization of a gas

Discharge tubes functioning as thermionic generators

Tubes for determining the presence, intensity, density or energy of radiation or particles

Thermoelectric devices comprising a junction of dissimilar materials

Arrangements for direct conversion of radiation energy from radioactive sources into forms of energy other than electric energy, e.g. { into} light { or mechanic energy}(lasers H01S 3/00; { gamma masers H01S 4/00})
References relevant to classification in this group
This group does not cover:

Lasers

Lasers pumped by high energy nuclear particles

Gamma masers

Applications of radiation from radioactive sources or arrangements therefor (producing mutation in plants A01H 1/06; preservation of dairy products A23C; preservation of foodstuffs A23L 3/26; for therapeutic purposes A61N 5/10; in chemical, physical or physicochemical processes in general B01J 19/08; in electrostatic separation B03C 3/38; for after-treatment of coatings applied as liquids or other fluent materials B05D 3/06; for action between electric vehicles and tracked apparatus B61L 1/10, B61L 3/06; introducing isotopes into organic compounds C07B 59/00; for preparation of organic chemical compounds C07, C08, e.g. C08F 2/46; for treating macromolecular substances or articles made therefrom B29C 71/04, C08J 3/28, C08J 7/18; for cracking of hydrocarbon oils C10G 15/00, C10G 32/04; for reforming naphtha C10G 35/16; preservation or ageing of products obtained from fermentation processes C12H 1/06, C12H 1/16; for bleaching fibres D06L 3/04; measuring G01; irradiation devices, gamma- or X-ray microscopes G21K; in discharge tubes H01J; apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere, H01T 23/00; for carrying-off electrostatic charges H05F 3/06)
Informative references
Attention is drawn to the following places, which may be of interest for search:

Producing mutations in plants

Preservation of dairy products

Preservation of cream, butter and cheese

Preservation of foodstuffs

Preparations containing radioactive substances for use in therapy or testing in vivo

Applications of radiation for therapeutic purposes

Applications of radiation in chemical, physical or physiochemical processes in general

Applications of radiation in electrostatic separation

Applications of radiation for after treatment of coatings applied as liquids or other fluent materials

Applications of radiation for action between electric vehicles and tracked apparatus

Applications of radiation for treating macromolecular substances or articles made therefrom

Introducing isotopes into organic compounds

Introducing isotopes into organic compounds

Applications of radiation for preparation of organic chemical compounds

Applications of radiation for cracking of hydrocarbon oils

Applications of radiation for reforming naphtha

Preservation or ageing of products obtained from fermentation processes

Applications of radiation for bleaching fibres

Measuring

Irradiation devices, gamma- or X-ray microscopes

Applications of radiation in discharge tubes

Apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere

Applications of radiation for carrying-off electrostatic discharges

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Last Modified: 10/11/2013