Drillable bridge plug,申请号GB20050003938-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	Drillable bridge plug
摘要
申请公布号	GB0503938(D0)	申请公布日期	2005.04.06
申请号	GB20050003938	申请日期	2005.02.25
申请人	SMITH INTERNATIONAL INC	发明人
分类号	E21B;E21B29/00;E21B33/12;E21B33/129;E21B33/134	主分类号	E21B
代理机构		代理人
主权项
地址

您可能感兴趣的专利

SWIMMING POOL SKIMMER ASSEMBLIES

COMPOUNDS OF A SPECIFIC COMPOSITION,A PROCESS FOR THEIR PRODUCTION AND THEIR USE

IMPROVED ACTIVATION OF RECOMBINANT PROTEINS

TRIFUNCTIONAL ANTIBODY-LIKE COMPOUNDS AS A COMBINED DIAGNOSTIC AND THERAPEUTIC AGENT

BENZISOTHIAZOLINONE-1-DIOXIDE DERIVATIVES AS ELASTASE INHIBITORS

STRONTIUM AND/OR BARIUM-CONTAINING CATALYSTS FOR OXIDATIVE COUPLING PROCESS

APPARATUS FOR DRYING A WEB

COMPONENTS AND CATALYSTS FOR THE POLYMERIZATION OF OLEFINS

A COMPOSITION FOR USE IN THE TREATMENT OF ASTHMA,BRONCHOSPASM AND OBSTRUCTIVE LUNG DISEASE

CLUTCH MECHANISM IN GEAR TRANSMISSION

ADJUSTABLE CURRENT SOURCE AND AUTOMATIC CALIBRATION DIGITAL/ANALOG CONVERTER USING SUCH A SOURCE

GARBAGE CARRYING DEVICE

LOW PASS FILTER EMPLOYING BIPOLAR INTEGRATED CIRCUIT

MOVING PICTURE SIGNAL PROGRESSIVE CODING SYSTEM

TRANSMISSION TERMINAL EQUIPMENT

SYSTEM FOR RECOGNIZING AND COMMUNICATING FACSIMILE CHARACTER

ROTARY ELECTRODE TRANSMISSION SYSTEM