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
Surface Control of Well Annulus Pressure
摘要
申请公布号
CA2111736(A1)
申请公布日期
1994.06.19
申请号
CA19932111736
申请日期
1993.12.17
申请人
SCHULTZ, ROGER L.
发明人
SCHULTZ, ROGER L.
分类号
E21B34/16;(IPC1-7):E21B47/12;E21B47/00;H04B13/02
主分类号
E21B34/16
代理机构
代理人
主权项
地址
您可能感兴趣的专利
OPTICAL AMPLIFIER
ADJUSTABLE STOMACH BAND
LOW TEMPERATURE REFINING AND FORMATION OF REFRACTORY METALS
DEVICE FOR DOSING AND FORMING PODS FOR PRODUCTS FOR INFUSION
METHOD AND SYSTEM TO LATERAL ROUTE RECAPTURE USING A FLIGHT MANAGEMENT COMPUTER
Method and apparatus for electronic commerce using digital ticket to provide anonymity
VINYL ETHER CURING COMPOSITION
FIBER REINFORCEMENT MATERIAL, PRODUCTS MADE THEREFROM, AND METHOD FOR MAKING THE SAME
MULTIPLE COMPONENT SPUNBOND WEB
Ink-accepting layer forming material
Gaming machine and game system
Polymeric colorants and corresponding ink compositions
COOLING MEDIUM FLOW PASSAGE
AN APPARATUS AND METHOD FOR PROVIDING ADVERTISEMENT OVER INTERNET WITH FREE SHORT MESSAGE SERVICE FUNCTION
METHOD AND SYSTEM FOR EXTRACTING MOVING OBJECT
LITHIUM SECONDARY BATTERY
SECONDARY BATTERY WITH SAFETY DEVICE THAT PREVENTS CRACK FROM SPREADING
EXHAUST VALVE OF LEAD-ACID BATTERY
ISOLATED CONTROL APPARATUS INCORPORATING LIGHT CONTROLLED POWER SEMICONDUCTORS
ANTIMICROBIAL BALLISTIC FABRICS AND PROTECTIVE ARTICLES
