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ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ

รหัส / code คำอธิบาย / code name Version
E21B0019090000 specially adapted for drilling underwater formations from a floating support using heave compensators supporting the drill string (drilling-pipe telescoping joints E21B0017070000) 1
E21B0019100000 Slips; Spiders 1
E21B0019120000 Rope clamps (rope clamps in general F16G0011000000) 1
E21B0019140000 Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole (E21B0019200000, E21B0019220000 take precedence);; 1
E21B0019150000 Racking of rods in horizontal position; Handling between horizontal and vertical position 1
E21B0019160000 Connecting or disconnecting pipe couplings or joints (E21B0019200000 takes precedence;pipe wrenches or the like B25B) 1
E21B0019180000 Connecting or disconnecting drill bit and drilling pipe 1
E21B0019200000 Combined feeding from rack and connecting, e.g. automatically 1
E21B0019220000 Handling reeled pipe or rod units, e.g. flexible drilling pipes 1
E21B0019240000 Guiding or centralising devices for drilling rods or pipes 1
E21B0021000000 Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor (freeing objects stuck in boreholes by flushing E21B0031030000; well drilling compositions C09K0008020000) 1
E21B0021010000 Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes (arrangements for treating drilling fluids E21B0021060000) 1
E21B0021015000 Means engaging the bore entrance, e.g. hoods for collecting dust 1
E21B0021020000 Swivel joints in hose lines 1
E21B0021060000 Arrangements for treating drilling fluids outside the borehole (treating steps per se, see the relevant subclasses);; 1
จำนวนรหัสข้อมูล 15 จาก 73902