G - PHYSICS
G21 - NUCLEAR PHYSICS
G21C - NUCLEAR REACTORS
G21C1/04 - Thermal reactors {
G21C3/04 - Constructional details
G21C3/12 - Means forming part of the element for locating it within the reactor core {
G21C3/20 - with coating on fuel or on inside of casing
G21C3/60 - Metallic fuel
G21C7/14 - Mechanical drive arrangements
G21C7/28 - by displacement of the reflector or parts thereof
G - PHYSICS
G21 - NUCLEAR PHYSICS
G21D - NUCLEAR POWER PLANT
G21D5/02 - Reactor and engine structurally combined, e.g. portable
G21D9/00 - Arrangements to provide heat for purposes other than conversion into power, e.g. for heating buildings
Y - NEW / CROSS SECTIONAL TECHNOLOGIES
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E30/00 - Energy generation of nuclear origin
Y02E30/30 - Nuclear fission reactors
Y - NEW / CROSS SECTIONAL TECHNOLOGIES
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S376/909 - Mobile reactors