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
A DRILL PIPE AND METHOD OF FORMING AND RECONDITIONING A DRILL PIPE
摘要
申请公布号
EP1045958(A4)
申请公布日期
2006.02.01
申请号
EP19990901246
申请日期
1999.01.05
申请人
WEATHERFORD U.S., L.P.
发明人
MURRAY, GEOFFREY NEIL
分类号
E21B17/10;E21B17/00;E21B19/15;E21B29/00;E21B29/10;F16C33/12
主分类号
E21B17/10
代理机构
代理人
主权项
地址
您可能感兴趣的专利
A recommender system with ad-hoc, dynamic model composition
UNSATURATED POLYESTER RESIN COMPOSITIONS
ELECTRODE FOR FUEL CELL AND FUEL CELL SYSTEM INCLUDING SAME
A TAMPER INDICATING ENGAGEMENT LOCK FOR A CONTAINER
ASSEMBLIES USEFUL FOR THE PREPARATION OF ELECTRONIC COMPONENTS AND METHODS FOR MAKING SAME
INTEGRATED CIRCUIT PACKAGE SYSTEM WITH WARP-FREE CHIP
FUEL FILLER DOOR ACTUATOR
FUEL CELL SYSTEM AND DRIVING METHOD OF IT
SEALING DEVICE FOR A CONTAINER CONTAINING LIQUID
Accessory with jewel
Case of mobile phone
Animated Effect Umbrella
New rice scoop structure
Process for activating non-conductive surface prior to chemical metallization
Methods and apparatus for a projectile data link system
SYSTEM AND METHOD FOR RENDERING GAME PIECES
DISPOSITIVO CON UN MECANISMO DE RODAMIENTO PARA SUJETAR PLANCHAS Y ELEMENTOS SEPARADORES
SIGNPOST
SYSTEM AND METHOD OF WIRELESS COMMUNICATION OF UNCOMPRESSED VIDEO HAVING A FAST FOURIER TRANSFORM-BASED CHANNEL INTERLEAVER
CELL CLASSIFICATION SYSTEM
