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
Releasable well packer
摘要
申请公布号
US3391742(A)
申请公布日期
1968.07.09
申请号
US19660553455
申请日期
1966.05.27
申请人
BROWN OIL TOOLS, INC.
发明人
DAVIS JOHN B.
分类号
E21B33/129
主分类号
E21B33/129
代理机构
代理人
主权项
地址
您可能感兴趣的专利
LOCALIZATION APPARATUS
PRESSURE COOKER COVER
SEARCH ENGINE INDEXING
POWER AMPLIFIER AND POWER SUPPLY CIRCUIT
NOTIFICATION CAPABILITY METHOD AND METHOD, SYSTEM AND DEVICE FOR CONTROLLING NETWORK CONGESTION
METHOD AND APPARATUS FOR TRACKING OR TRACING THE MOVEMENT OF SHIPPING CONTAINERS
SESSION MANAGEMENT BACK-OFF INSTRUCTION METHOD AND NETWORK SIDE DEVICE, AND SESSION MANAGEMENT BACK-OFF METHOD AND USER EQUIPMENT
CLINICAL THERMOMETER
???????AQUEOUS TOPICAL PREPARATION FOR USE ON SKIN
Drive motor control apparatus for vehicle, motor control system, method for correcting rotation angle of motor, program for performing the same, totation detecting apparatus
Verfahren zum Gewinnen eines Geschwindigkeitsprofils
BENDING APPARATUS FOR A SWING RING PLATE
TRANSFER APPARATUS AND PROCESSING SYSTEM
ELECTRONIC APPARATUS
METHOD FOR HEATING PLASTIC FILM, AND METHOD FOR PRODUCING COLOR FILTER
GLASSES FOR VIEWING 3D VIDEO
MEMORY POOL INTERFACE METHODS AND APPARATUSES
SOX REMEDIATION IN MANUFACTURING OPERATIONS
METHOD AND APPARATUS FOR TRACKING AN AUDIO SOURCE IN A VIDEO CONFERENCE USING MULTIPLE SENSORS
ADHESIVE LAVATORY TREATMENT COMPOSITIONS
