WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

E　j　FIXED CONSTRUCTIONS

SUBSECTION: Building

E01　　CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

E01B　PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS

E01C　CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR

E01D　CONSTRUCTION OF BRIDGES, OR VIADUCTS; ASSEMBLY OF BRIDGES

E01F　ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE

E01H　STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSINGor preventing FOG IN GENERAL

E02B　HYDRAULIC ENGINEERING

E02C　SHIP-LIFTING DEVICES OR MECHANISMS

E02D　FOUNDATIONS; EXCAVATIONS, EMBANKMENTS ; UNDERGROUND OR UNDERWATER STRUCTURE

E02F　DREDGING; SOIL-SHIFTING

E03B　INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER

E03C　DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER ; SINKS

E03D　WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR

E03F　SEWERS; CESSPOOLS

E04B　GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS

E04C　STRUCTURAL ELEMENTS; BUILDING MATERIALS

E04D　ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS

E04F　FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS

E04G　SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS

E04H　BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL

E05B　LOCKS; ACCESSORIES THEREFOR; HANDCUFFS

E05C　BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS

E05D　HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS

E05F　DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING

E05G　SAFES OR STRONG-ROOMS FOR VALUABLES; BANK PROTECTION DEVICES; SAFETY TRANSACTION PARTITIONS

E05Y　INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING

E06B　FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCESOR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES

E06C　LADDERS

E21B　EARTH DRILLING, e.g. DEEP DRILLING ; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS

E21C　MINING OR QUARRYING

E21D　SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS

E21F　SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS