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
Oil well screen
摘要
申请公布号
US2391609(A)
申请公布日期
1945.12.25
申请号
US19440537559
申请日期
1944.05.27
申请人
WRIGHT KENNETH A
发明人
WRIGHT KENNETH A.
分类号
E21B43/08
主分类号
E21B43/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Abnormal operation detection device
Safety steering system for automobiles
Method of estimating atmospheric data at any point of a path of an aircraft
Walking robot and method of controlling the same
Processing apparatus and operating method therefor
ACOUSTIC ISOLATOR BETWEEN DOWNHOLE TRANSMITTERS AND RECEIVERS
ELECTRICALLY VARIABLE INDUCTOR, ASSOCIATED TUNABLE FILTER AND METHODS
CABLE WITH ENVIRONMENTAL STRESS CRACKING RESISTANCE
NETWORK TRAFFIC MANAGEMENT
LONGITUDINAL CONNECTING MEMBER WITH SLEEVED TENSIONED CORDS
LOW-EMISSION NATURAL GAS VAPORIZATION SYSTEM
HIGH DENSITY HOMOPOLYMER BLENDS
CONVERTING BETWEEN SIGNALING FORMATS IN AN OPTICAL VIRTUAL PRIVATE NETWORK (OVPN)
NOVEL ANTISEPTIC DERIVATIVES WITH BROAD SPECTRUM ANTIMICROBIAL ACTIVITY FOR THE IMPREGNATION OF SURFACES
CONTAINER FOR SPOONABLE FOOD PRODUCTS
PEPTIDE CONJUGATES MODIFIED N- AND/OR C-TERMINALLY BY SHORT CHARGED PEPTIDE CHAINS
APPARATUS AND METHOD FOR PROJECTING A 3D IMAGE
AUTOMOBILE PARKING VERIFICATION SYSTEM (APVS)
SHALLOW BED FLUID TREATMENT APPARATUS
FIXED TRACK FOR RAIL-BOUND VEHICLES ON A BRIDGE
