CPC Definition - Subclass G21H
This place 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, not otherwise provided for.
Use of effects of cosmic radiation.
This place does not cover:
Measurement of nuclear or X-radiation | |
Fusion reactors | |
Nuclear fission reactors | |
Lamps in which a gas filling is excited to luminescence by external corpuscular radiation or by radioactive material structurally associated with the lamp |
Examples of places where the subject matter of this place 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 | |
Applying radioactive material to the body | |
Radiation therapy; therapy using X-rays, gamma rays or particle-irradiation | |
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 |
Attention is drawn to the following places, which may be of interest for search:
Preservation of milk or milk preparations in general, of cream, butter, and cheese | |
Introduction of isotopes of elements into organic compounds | |
Techniques for handling particles or ionising radiation not otherwise provided for | |
Particle spectrometer ion sources or ion guns using particle bombardment, e.g. ionisation chambers | |
Semiconductor devices sensitive to electromagnetic or corpuscular radiation | |
Lasers |
Classification of both important (invention) information and additional information is obligatory.
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 |
Attention is drawn to the following places, which may be of interest for search:
Photoelectric discharge tubes not involving the ionisation of a gas | |
Discharge tubes functioning as thermionic generators | |
Tubes for determining the presence, intensity, density or energy of radiation or particles |
Attention is drawn to the following places, which may be of interest for search:
Devices of the surface barrier or shallow PN junction detector type, e.g. surface barrier alpha-particle detectors |
Attention is drawn to the following places, which may be of interest for search:
Electric discharge tubes or discharge lamps |
This place covers:
Cells in which radiation of disintegration heat heats a thermoelectric junction or a thermionic converter.
Attention is drawn to the following places, which may be of interest for search:
Devices where heating occurs from fission reactions | |
Discharge tubes functioning as thermionic generators | |
Thermoelectric devices comprising a junction of dissimilar materials |
Attention is drawn to the following places, which may be of interest for search:
Lasers | |
Lasers pumped by high energy nuclear particles | |
Gamma masers |
This place does not cover:
lamps in which a gas filling or screen or coating is excited to luminesce by radioactive material structurally associated with the lamp |
Attention is drawn to the following places, which may be of interest for search:
Luminescent substances containing radioactive material |
Examples of places in relation to which this place is residual:
Use of radiation to produce mutations in plants | |
Preserving finished bakery products; improving by irradiation | |
Preservation of meat, sausages, fish, eggs, fruit, vegetables or edible seeds by irradiation causing heating effect | |
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 food or foodstuffs or non-alcoholic beverages by irradiation without heating | |
Medicinal preparations obtained by treating materials with wave energy or particle radiation | |
Preparations containing radioactive substances for use in therapy or testing in vivo | |
Methods or apparatus using radiation for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses | |
Applying radioactive material to the body | |
Radiation therapy; therapy using X-rays, gamma rays or particle-irradiation | |
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 | |
Irradiation devices | |
Gamma ray or X-ray microscopes | |
In cathode ray tubes, charge-storage screens exhibiting internal electrical effects caused by particle radiation | |
Semiconductor devices sensitive to electro-magnetic or corpuscular radiation | |
Lasers using pumping by high energy nuclear particles | |
Apparatus for generating ions to be introduced into non-enclosed gasses, e.g. into the atmosphere | |
Carrying off electrostatic charges by means of ionising radiation |
Attention is drawn to the following places, which may be of interest for search:
Dairy products, making thereof | |
Preservation of milk or milk preparations in general, of cream, butter and cheese | |
Organic chemistry, applications of radiation for preparation of organic chemical compounds | |
Introducing isotopes into organic compounds | |
Measuring |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Medicinal preparations containing radioactive substances |
Attention is drawn to the following places, which may be of interest for search:
Investigating or analysing biological material |