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
WASHING A WELL
摘要
申请公布号
US3464495(A)
申请公布日期
1969.09.02
申请号
USD3464495
申请日期
1967.09.11
申请人
ESSO PRODUCTION RESEARCH CO.
发明人
THOMAS W. CHILDERS;EDMOND R. GENOIS;CHARLES A. BRASIER
分类号
E21B23/08;E21B37/00;E21B43/20;(IPC1-7):E21B21/00;E21B33/12
主分类号
E21B23/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
LITHIUM-ION SECONDARY BATTERY SEPARATOR
Method For Depositing a Target Material onto a Organic Electrically Functional Material
Package Substrate, OLED Display Panel and Manufacturing Method Thereof, and Display Apparatus
ORGANIC ELECTROLUMINESCENT DEVICE AND PREPARATION METHOD THEREOF
AROMATIC AMINE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT ELEMENT
COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
SEMICONDUCTOR DEVICE HAVING A BURIED MAGNETIC SENSOR
SEMICONDUCTOR LIGHT-EMITTING DEVICE AND METHOD FOR MANUFACTURING SAME
POINT SOURCE LIGHT-EMITTING DIODE
NITRIDE SEMICONDUCTOR STACKED BODY AND SEMICONDUCTOR LIGHT EMITTING DEVICE
PHOTOVOLTAIC CELLS HAVING ELECTRICAL CONTACTS FORMED FROM METAL NANOPARTICLES AND METHODS FOR PRODUCTION THEREOF
PLASMA-ASSISTED TECHNIQUES FOR FABRICATING SEMICONDUCTOR DEVICES
COST-EFFICIENT HIGH POWER PECVD DEPOSITION FOR SOLAR CELLS
SILVER BASED TRANSPARENT ELECTRODE
Nanostructured Solar Cell
METHOD FOR FABRICATING A SEMICONDUCTOR DEVICE
Semiconductor Device and Method of Making the Same
HOT-ELECTRON TRANSISTOR HAVING METAL TERMINALS
Semiconductor Devices and Methods of Manufacture Thereof
BACK-END TRANSISTORS WITH HIGHLY DOPED LOW-TEMPERATURE CONTACTS
