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
UNDERWATER WELLHEAD INSTALLATION
摘要
申请公布号
US3461957(A)
申请公布日期
1969.08.19
申请号
USD3461957
申请日期
1967.03.30
申请人
SHELL OIL CO.
发明人
FRANCIS G. WEST
分类号
E21B33/037;(IPC1-7):E21B33/03;E21B43/01
主分类号
E21B33/037
代理机构
代理人
主权项
地址
您可能感兴趣的专利
BREAD
SLIDER AIR BEARING SURFACE WITH ANGLED RAIL CONFIGURATION
Method and device for machining frames welded from plastic or metal profiles
Device for the measurement of deformations rigidly fixed to a long straggling machine piece, especially the scraper beam of a coating device
Aqueous release coating composition
Fluid impeller
Drive apparatus and drive XY apparatus on which it is equipped
Debridement sponge
An integrated control circuit with a level shifter for switching an electronic switch
A.C. MAGNETIC STIRRING MODIFIER FOR CONTINUOUS CASTING OF METALS
TOOL FOR FASTENING ELASTIC RINGS TO BRACKETS IN ORTHODONTIA APPLICATIONS
Merry-go-round
Hydraulic system, particularly for a power brake
Device for making plastering mortar ready to be used
STABILISED GEL SYSTEM AND PRODUCTION THEREOF
Method and apparatus for processing audio signal
BEVERAGE CONTAINER WITH SELF-CONTAINED DRINKING STRAW
EPOXY RESIN MIXTURES FOR PREPREGS AND COMPOSITES
HYDRAULIC OIL PRESS
THERAPEUTIC DEVICE USING HEAT
