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
DRILLING FLUIDS
摘要
申请公布号
GB8926885(D0)
申请公布日期
1990.01.17
申请号
GB19890026885
申请日期
1989.11.28
申请人
ALBRIGHT & WILSON LIMITED
发明人
分类号
E21B21/00;B01F17/00;C09K5/00;C09K5/08;C09K8/04;C09K8/22;C09K8/32;C09K8/54;C10M171/00;C10M173/02;C10N10/02;C10N40/08;C10N40/22;C11D1/22;C11D1/72
主分类号
E21B21/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ROBOT FOR CARRYING SUBSTRATE
LOW NOISE PLANETARY GEAR DESIGN
THIN SHEET MIRROR AND Nd>2<O>3< DOPED GLASS
REINFORCEMENT FIBER BUNDLE AND PRODUCTION METHOD OF SUCH REINFORCEMENT FIBER BUNDLE
Testing of automated program controlled system upon commissioning, by observation of individual module or routine calls by specification of a hierarchical request tree to monitor calls
Nucleic acids differentially expressed between tumor and normal cells, useful for diagnosis or therapy of tumors and for screening active agents
Vehicle headlamp has output coupling surface of Cartesian oval with structures transverse to radiation direction that produce artificial stopping by controlled deflection of light beams
Vervollkommnungen für mobile Telekommunikationsendgeräte
Three-pole protection rail has pressure spring for biasing contact section arranged in parallel
Device for the cold final coating of glass has a flow meter for measuring the water feed and having a control unit to control the pump corresponding to the water flow
APPARATUS AND METHOD FOR AUTOMATIC COATING
Schaltungsanordnung zur Ansteuerung eines durch ein magnetisches Feld im Zündungsverlauf beeinflussbaren Gasgenerators einer Insassenschutzvorrichtung
Automatic transmission for motor vehicles, esp. utility vehicles has retarder cooling system of heat exchanger positioned inside retarder
Zweimassen-Dämpfungsschwungrad, insbesondere für den Kupplungsmechanismus eines Kraftfahrzeugs
Elektrischer Motor
Surface coating mixture, useful for coating stone, concrete, plaster, ceramic, wood, glass, metals and plaster of Paris, comprises components which are non-toxic, completely disposable, environmentally friendly and odorless
Verfahren zur Herstellung von (Meth)acrylsäureestern
Thickening of excess sludge in a wastewater treatment plant, employs deposited sludge as a filtration aid in a conical sieve, with a screw scraping inner surface
Verfahren zum Betreiben eines Elektrolyseurs
Electromechanically operated steering lock for motor vehicle has delay between initiation of ignition key operated lock and final engagement
