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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/group 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/group 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, [N: 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. [N: into] light [N: or mechanic energy] (lasers H01S 3/00; [N: gamma masers H01S 4/00])
References relevant to classification in this group
This subclass/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
C07, C08, C08F 2/46
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
G01
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
Use of effects of cosmic radiation
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Last Modified: 10/11/2013