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Color Curly Brackets (indicating CPC extensions to IPC)

CPC
COOPERATIVE PATENT CLASSIFICATION
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INDEXING SCHEME RELATING TO NUCLEAR REACTORS, POWER PLANTS AND EXPLOSIVES, TO PROTECTION AGAINST RADIATION, TO THE TREATMENT OF RADIOACTIVELY CONTAMINATED MATERIAL, TO APPLICATIONS OF RADIOACTIVE SOURCES AND TO THE UTILISATION OF COSMIC RADIATION
NOTE
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This subclass constitutes an internal scheme for indexing only, relating to problems (G21Y 2002/00) or solutions (G21Y 2004/00).

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G21Y 2002/00
PROBLEM
G21Y 2002/10
.
Shortcomings in materials
G21Y 2002/101
.
Wear
G21Y 2002/102
.
Embrittlement
G21Y 2002/103
.
Corrosion
G21Y 2002/104
.
Inadequate performance, deformation, cracks, rupture
G21Y 2002/20
.
Operational shortcomings
G21Y 2002/201
.
Inadequate efficiency
G21Y 2002/202
.
Slowness of a process or function
G21Y 2002/203
.
Lack of manoeuvrability
G21Y 2002/204
.
Imprecision (measuring, positioning, guiding)
G21Y 2002/205
.
Lack of Automation
G21Y 2002/206
.
Insufficient reliability (durability)
G21Y 2002/207
.
Abnormal conditions
G21Y 2002/208
.
Risk of human error
G21Y 2002/30
.
Design and construction shortcomings
G21Y 2002/301
.
Heavy, bulky, cumbersome constructions, shape
G21Y 2002/302
.
Fabricating, assembling, replacing, dismantling
G21Y 2002/303
.
Risk of damage
G21Y 2002/304
.
Lack of versatility, compatibility
G21Y 2002/305
.
Inadequate transportation
G21Y 2002/306
.
Non-compliance with regulations
G21Y 2002/40
.
Maintenance shortcomings (Servicing)
G21Y 2002/401
.
Inconvenient access
G21Y 2002/402
.
Complicated assembling, disassembling, replacing, dismantling
G21Y 2002/50
.
Safety, security and safeguard shortcomings
G21Y 2002/501
.
Radiation exposure
G21Y 2002/502
.
Lack of monitoring
G21Y 2002/60
.
Disposal shortcomings
G21Y 2002/601
.
Excess of irradiated inventory
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G21Y 2004/00
SOLUTION
G21Y 2004/10
.
Compositions
G21Y 2004/101
.
Inherent characteristics
G21Y 2004/20
.
Obtaining improvement by treatment
G21Y 2004/201
.
Heat treatment
G21Y 2004/202
.
Cold working
G21Y 2004/30
.
Improving a design
G21Y 2004/301
.
Joints, fixing devices
G21Y 2004/302
.
Fluid mechanics, thermodynamics
G21Y 2004/303
.
Protection cover, catching devices
G21Y 2004/304
.
Redundancy, adding material or parts
G21Y 2004/305
.
Reducing size, material or number of parts
G21Y 2004/40
.
Improving a procedure
G21Y 2004/401
.
Automation
G21Y 2004/402
.
Inherent action
G21Y 2004/403
.
Tuning, adjustment
G21Y 2004/50
.
Repair, replacement
G21Y 2004/501
.
Improving a tool
G21Y 2004/502
.
Remote operation
G21Y 2004/503
.
in factory
G21Y 2004/504
.
on site
G21Y 2004/60
.
Reusing items, recycling
G21Y 2004/601
.
Discarding, Repository
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Last Modified: 10/10/2013