TOOL FOR USE IN WELLBORE OPERATIONS,申请号EP19940922237-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	TOOL FOR USE IN WELLBORE OPERATIONS
摘要
申请公布号	EP0705379(A1)	申请公布日期	1996.04.10
申请号	EP19940922237	申请日期	1994.06.23
申请人	WEATHERFORD U.S., INC.	发明人	BLIZZARD, WILLIAM, A., JR.;TILTON, FREDERICK, THOMAS
分类号	E21B33/127;E21B33/14;E21B34/06;E21B34/14;(IPC1-7):E21B34/06	主分类号	E21B33/127
代理机构		代理人
主权项
地址

您可能感兴趣的专利

STRUCTURE OF SCREW MOUNTING PART AND WIRING INSTRUMENT MOUNT

INFORMATION PROCESSOR, CONTROL METHOD FOR INFORMATION PROCESSOR, PROGRAM AND RECORDING MEDIUM

KEYBOARD, ELECTRONIC DEVICE, METHOD OF MANUFACTURING KEYBOARD, METHOD OF MANUFACTURING ELECTRONIC DEVICE AND KEYBOARD COMPONENT

FOLDABLE PORTABLE TERMINAL EQUIPMENT

RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION METHOD, RECEPTION DEVICE, AND TRANSMISSION DEVICE

INFORMATION SERVICE SYSTEM FOR VEHICLE

COMMUNICATION DEVICE, COMMUNICATION CONTROL METHOD AND COMMUNICATION CONTROL PROGRAM

NOZZLE VANE MANUFACTURING METHOD, NOZZLE VANE, VARIABLE NOZZLE MECHANISM, AND TURBOCHARGER

SWASH PLATE TYPE VARIABLE DISPLACEMENT COMPRESSOR

GENERATING APPARATUS FOR VEHICLE

IMAGE FORMING APPARATUS

LARGE-SIZED PNEUMATIC RADIAL TIRE

DYNAMIC ELEMENT MATCHING METHOD

SEMICONDUCTOR DEVICE

SOLAR CELL MODULE

METHOD AND APPARATUS FOR PREVENTING FOGGING OF PHOTOMASK

NONVOLATILE SEMICONDUCTOR STORAGE DEVICE AND METHOD OF WRITING DATA THEREFOR

INSULATION RESISTANCE MEASURING APPARATUS

HEAT RESISTANT STAINLESS STEEL WIRE, HEAT RESISTANT SPRING AND METHOD FOR PRODUCING HEAT RESISTANT SPRING