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
Deformable packer
摘要
申请公布号
US2519116(A)
申请公布日期
1950.08.15
申请号
US19480067707
申请日期
1948.12.28
申请人
SHELL DEVELOPMENT COMPANY
发明人
CRAKE WILFRED S.
分类号
E21B33/12;E21B33/127
主分类号
E21B33/12
代理机构
代理人
主权项
地址
您可能感兴趣的专利
OPTICAL FIBER CONNECTION COMPONENT, OPTICAL FIBER CONNECTION STRUCTURE, AND OPTICAL FIBER CONNECTION METHOD
Trailer chassis
High-barrier retort laminates
Locking device
Reduction of differential gloss
Pick-up apparatus for digital storage medium
METHOD FOR REGENERATION OF SOP CATALYSTS OF OXIDIZING CONVERSION OF METHANOL INTO FORMALDEHYDE
Method of making tough, flexible mats and tough, flexible mats
Securing device for a vehicle safety device
METHOD FOR PRODUCING POLYVINYLACETALS
APPARATUS AND METHOD FOR THERMALLY CONTROLLED PROCESSING OF MICROELECTRONIC WORKPIECES
DEVICE AND METHOD OF LIQUID-PERMEABLE PERFORATION OF A NONWOVEN
CARPETS TREATED FOR SOIL RESISTANCE
METHOD FOR MANUFACTURING COMPOUND SEMICONDUCTOR WAFER AND COMPOUND SEMICONDUCTOR DEVICE
Method for producing an increased thickness in a metal sheet and gasket comprising said metal sheet
Method for providing a data exchange during a group call in a cellular network
Agitator for chemical products contained in cans
Method and apparatus for the electronic capture of rolled fingerprints
Use of a thermal barrier coating for a part of a steam turbine and a steam turbine
High speed Optical recording medium
