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
POSITIONING DEVICE
摘要
申请公布号
EP0922008(B1)
申请公布日期
2001.04.04
申请号
EP19970935699
申请日期
1997.08.15
申请人
WEATHERFORD/LAMB INC.
发明人
SCHULZE-BECKINGHAUSEN, JOERG-ERICH
分类号
E21B19/14;B66F3/06;(IPC1-7):B66F13/00
主分类号
E21B19/14
代理机构
代理人
主权项
地址
您可能感兴趣的专利
TOUCH TRACKING ACROSS MULTIPLE TOUCH SCREENS
Process For Producing A Carbon-Comprising Composite
MULTIMODE FRONTEND CIRCUIT
LED DRIVE CIRCUIT AND LED ILLUMINATION COMPONENT USING THE SAME
PHASE CHANGE MATERIAL COMPOSITION
MULTIPLE OFFSET SLIM CONNECTOR
HEAT RECOVERY SYSTEM FOR USE WITH A WASHING APPLIANCE
Refrigerator
STANDING SEAM ROOF CLAMP
SOLAR CELL MODULE AND MANUFACTURING METHOD THEREOF
SOLAR INSTALLATION
BUFFER CONSTRUCTION WITH GEODETIC CIRCULAR ARCS
FREQUENCY CONVERTING DEVICE, TELEVISION DEVICE AND FREQUENCY CONVERTING METHOD
DIAMOND MATERIAL
METHODS FOR SEMANTICS-BASED CITATION-PAIRING INFORMATION
System And Method For Wireless Messaging In A Wireless Communication System
N-ACYLSARCOSINE COMPOSITIONS
WAVELENGTH TUNABLE OPTICAL FILTER AND REFLECTING ELEMENT FOR AN OPTICAL DEVICE
BUOYANT AIRBARGE AND SPINNAKER SAIL COMBINATIONS FOR GENERATING ELECTRIC POWER FROM WIND
SYSTEM AND METHOD FOR CURRENT LIMITING A DC-DC CONVERTER
