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
Adjustable wireline sheave for stuffing box
摘要
申请公布号
EP2278118(A3)
申请公布日期
2012.08.29
申请号
EP20100251089
申请日期
2010.06.16
申请人
WEATHERFORD/LAMB, INC.
发明人
FOGG, JAMES;WARD, JEREMY
分类号
E21B33/072;F16H55/52
主分类号
E21B33/072
代理机构
代理人
主权项
地址
您可能感兴趣的专利
High-intensity magnetic separator
Frame press
Box magazine for fire arms.
Annulus pressure responsive sampling apparatus.
Optical fiber retainer.
Method of forming a shallow N-type region.
Address translation memory.
Tobacco trimmer device.
Contact of vacuum interrupter and manufacturing process therefor.
Catalyst having delay property for producing polyurethane.
Method of patterning thin film.
Low power off-chip driver circuit.
Driveline for a track-laying vehicle.
Dry scrubbing oxides and particulate contaminants from hot gases.
X-ray examination apparatus.
Positioning device with a ball screw driving mechanism.
EXTRACTEUR A GRIFFES
STROEMNINGSOMBYTARE.
DEVICE FOR EXTENSION OF ALUMINIUM DUCTS.
GAME APPARATUS AND METHODS FOR USE IN BACKGAMMON-LIKE GAMES.
