首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
DOWNHOLE DRILLING MOTOR
摘要
申请公布号
AU607477(B2)
申请公布日期
1991.03.07
申请号
AU19880014306
申请日期
1988.04.06
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
发明人
DJURRE HANS ZIJSLING
分类号
E21B4/02;E21B44/00;(IPC1-7):E21B4/02
主分类号
E21B4/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Doorbell, has symbols provided in information plane of plexi glass plate, where plate and light source are so arranged that light beams are radiated into plate lateral to information direction
Rotatable party barrel stand, has rotatable plate with center hole and upper adjustment groove fixing of party barrels, where stand is made of different material e.g. metal, wood and plastic
Circular saw blade, for cutting through wood or metal or rock or concrete or glass, has passage openings in the blade body in geometric pattern shapes according to working conditions to dissipate friction heat
Disposable insert for toilet bowl, comprising scented strip and dispensed from box
Nail holding tool for driving nails has two clamping jaws of plastic or similar, for clamping nails of different diameters
Door or front cover for piece of furniture, made of fiber glass in several layers for decorative effect and stability
Basement window`s frame, has rain channel provided in area inside bars or in sections of lower cross-section blade, molded in blade and connected with exterior area of frame via recess in bars or sections
Visiting card holder, has flat base plate, and loose clip for securing visiting cards, where loose clip acts as standard clip made from high grade steel and also from plastic or other materials
Embankment of rock granulations for dissipating and draining of precipitation water on flat roofs and at splash-water bases has rock granulation bound to laminar main body with organic binder only through contact surfaces
Connecting device for e.g. internal combustion engine has retainer ring, provided on corrugated hose and adjacent to end-sided corrugated crest, which presses the respective ends of plaited flexible hose against corrugated hose
Scroll compressor`s capacity varying apparatus for e.g. refrigerator, has sealing varying mechanism changing sealing region of orbiting and fixed scroll wraps based on change in pressure applied to back of orbiting scroll
Replenishing air conditioning plants with refrigerant, by connecting aerosol container filled with compressed refrigerant to refrigerant circuit via connecting line and adaptor
ADHESIVE TAPE FOR A CONTINUOUS ROLL CHANGE
Transparenzverarbeitung in einer Seitenbeschreibungssprache
Medizinisches Elektrodensystem
Toner pack and development device for use in an electrophotographic apparatus
LAGERUNG IN EINEM GETRIEBEGEHÄUSE
ROTOR-STATOR APPARAT UND VERFAHREN ZUR BILDUNG VON PARTIKELN
MODULARE ARBEITSFLÄCHE UND HERSTELLUNGSVERFAHREN
Rohrförmige Rahmenstruktur für Stützflächen
