TREATING SUBTERRANEAN WELL FORMATIONS,申请号IE19780001773-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	TREATING SUBTERRANEAN WELL FORMATIONS
摘要
申请公布号	IE781773(L)	申请公布日期	1979.07.23
申请号	IE19780001773	申请日期	1978.09.04
申请人	HALLIBURTON CO	发明人
分类号	(IPC1-7):E21B/00	主分类号	(IPC1-7):E21B/00
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Teaching reading and spelling - involves set of flat panels connected along their edges by flexible hinges

Spinning or twisting spindle mounting - has torque compensation spring close to the damper for easy assembly and spring control

Jigsaw with pendulum mechanism - has mechanism driven by main motor to move saw blade to=and=fro as well as well as up=and=down

Rodent pest poison bait - is placed in closed housing which keeps bait dry and uncontaminated

Double bicycle with side by side seating - is formed from two bicycles connected by cross-bars

Binary coded decimal circuit displaying up to 81 - uses only two full full adder circuits, three half adders and common gate circuit

Belt roller for vehicle safety belt - has toothed wheel system in which tolerances are not critical

Moisture-proofed detonator explosive - obtd. by enclosing explosive below water-resistant plastic separate, or integral with, cup structure

Guillotine for paper or cardboard with forward and rear benches - has gap between two and air jets to support trailing edge of cut stack

Grill protecting window from break-in - is constructed from metal bars and tubes which fit one in another

Detection of AC or DC in relatively compact device - stimulating high permeability core with HF current with magnetic field shifting hysteresis curve coercivity range

Printing machine paper transport with inclined air jets - has nozzles arranged to form closed polygonal air streams providing suction and supporting effects

Learning aid consisting of two parts folded together - with question written on outside and answer written on inside

Monitoring air filter operation - by closable linkage to pressure meter from both sides of filter

Broken yarn end opening appts. - has beating wheel with alternating straight and sawtooth edges to prepare it for splicing

Humidity monitor for fibre=optic cable section - uses optical fibre sharply increasing attenuation if dampness enters cable and connected to measurer and evaluator

VORRICHTUNG ZUR REGELUNG, STEUERUNG UND/ODER UEBERWACHUNG DER VERBRENNUNG IN BRENNKRAFTMASCHINEN

Round-bale agricultural baler - has side-walls driven faster than conveying elements

RUSSPROZESSSTEUERUNGSEINHEIT

VERFAHREN ZUR HERSTELLUNG EINER HALBLEITERANORDNUNG