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
Shear type circulation valve and swivel with open port reciprocating feature
摘要
申请公布号
GB2452890(B)
申请公布日期
2010.09.08
申请号
GB20080023019
申请日期
2007.05.25
申请人
BAKER HUGHES INCORPORATED
发明人
THOMAS M ASHY;GREGORY L HERN
分类号
E21B21/10;E21B23/00
主分类号
E21B21/10
代理机构
代理人
主权项
地址
您可能感兴趣的专利
一种病员转移床
METHOD AND SYSTEM FOR IDENTIFYING A SECURITY DOCUMENT
VIDEO OUTPUT DEVICE, 3D VIDEO OBSERVATION DEVICE, VIDEO DISPLAY DEVICE, AND VIDEO OUTPUT METHOD
Method for monitoring the state of a switch in a train security system, and train securing system
RETROREFLECTIVE ARTICLES INCLUDING A SECURITY MARK
Wheel bearing device
APPARATUS FOR STORING AND/OR TRANSPORTING A PLURALITY OF PACKAGING CONTAINERS
Elongated LED illumination device
Road information sharing method, road information sharing system, road information sharing device, and road information sharing program
Particulate matter sensor regeneration
Assembly platform for wind energy assemblies
LOW POWER AND LOW NOISE SWITCHED CAPACITOR INTEGRATOR WITH FLEXIBLE INPUT COMMON MODE RANGE
FUEL-INJECTION VALVE FOR INTERNAL COMBUSTION ENGINES
INFORMATION PROCESSING METHOD, SERVER AND LOGISTICS TERMINAL
Semiconductor package
Device and method for determining a characteristic of a vehicle
ACTIVE GUIDING AND BALANCE SYSTEM FOR AN ELEVATOR
Bone anchor assemblies
Displaying messages with cartoon cut images in an electronic device
CRUCIBLE FOR A MACHINE FOR CONTINUOUSLY CASTING A BAR OR A COIL OF A METAL ALLOY
