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
Friksjonsreduserende verktøy
摘要
申请公布号
NO20002106(A)
申请公布日期
2000.06.23
申请号
NO20000002106
申请日期
2000.04.25
申请人
WEATHERFORD US L.P.
发明人
MURRAY, GEOFFREY NEIL
分类号
E21B17/10;(IPC1-7):E21B
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
一种模切机自动调压装置
一种用于金属板材成形的材料流动性控制方法
一种治疗喉痈的中药
EYEPIECE LENS SYSTEM AND IMAGE OBSERVATION DEVICE
TAPERED LOBULAR DRIVER AND FASTENER
Linking device more specifically suited to providing the link between an air intake and an engine of an aircraft nacelle
COMPRESSED POWDER COMPACT
Entity creation for constrained devices
Method and apparatus for assessing proprioceptive status for at least one joint of a person
STEERING ANGLE SENSOR
PROCESS FOR THE CONVERSION OF A XYLAN-CONTAINING FEED
Method of coding a first and a second version of an image into a base layer and an enhancement layer based on a color gamut mapping model
Back-scattering inspection systems and methods for human body
Endoscope apparatus and image pickup control method thereof
Toner
EMERGENCY LIGHT AND SYSTEM FOR REMOTELY CHECKING AND MONITORING WATER METERS
Circuit breakers
A METHOD, SYSTEM AND APPARATUS FOR PROCESSING AUDIO SIGNALS
MULTI-TEMPERATURE AND MULTI-TEXTURE FROZEN FOOD MICROWAVE HEATING TRAY
ONE WAY SECURE LINK