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 TREATING METHOD
摘要
申请公布号
CA383866(A)
申请公布日期
1939.09.05
申请号
CAD383866
申请日期
申请人
SHELL DEVELOPMENT COMPANY
发明人
WALTER J. HUND;SAMUEL E. LAMBERT, JR.;ALBERT G. LOOMIS
分类号
主分类号
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Migration of network connection under mobility
Cloud storage for mobile devices based on user-specified limits for different types of data
Systems and methods for data exchange in voice communication
Method, apparatus and system for remotely controlling electronic apparatus
Dynamic VoIP routing and adjustment
Method and apparatus for authorizing a user or a user device based on location information
Management of privacy policies
Remote processing of mobile applications
Service processing method, device, and system
Proximity based dual authentication for a wireless network
Application authentication using network authentication information
System and method for key management for issuer security domain using global platform specifications
Methods and systems for providing information relating to an event
System and method for performing follow up based on user interactions
Directed message notification in chat sessions
System and method for improved synchronization between a server and a client
Delayed allocation for a direct access non-volatile file system
Efficiently using memory for Java collection objects
Using core files to develop diagnostic programs
Scheduler for data pipeline
