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
Tubing joint breaker
摘要
申请公布号
US2263267(A)
申请公布日期
1941.11.18
申请号
US19400341973
申请日期
1940.06.22
申请人
SHELL DEVELOPMENT COMPANY
发明人
FRANKLIN ROY E.
分类号
E21B19/16
主分类号
E21B19/16
代理机构
代理人
主权项
地址
您可能感兴趣的专利
BONDING COMPOSITIONS FOR THE MANUFACTURE OF ADDITIVE PRINTED WIRING BOARDS & ARTICLES MADE WITH THE BONDING COMPOSITION
AN APPARATUS FOR READING AN OPTICAL DISK
PROCESS FOR THE ISOLATION OF FERMENTATION PRODUCTS
PROCESS FOR HUMIDIFYING A GASEOUS FUEL STREAM
SEMICONDUCTOR DEVICE HAVING A LEAD FRAME
Compact electrical insulating material for insulating coatings.
PROCESS FOR PRODUCING GLYCOL ESTERS
Method for the production of beet press cake by fermentation.
Apparatus for producing symmetrical fluid entangled non-woven fabrics and related method.
APPARATUS AND METHOD FOR ALIGNING TWO SURFACES
PILE DRIVER
HIGH-PRESSURE DISCHARGE LAMP HAVING A SINGLE PINCH
LOGIC CIRCUIT FOR EXPANSION OF MONOCHROME DISPLAY PATTERNS TO COLOR FORM AND VIDEO CONTROLLER COMPRISING SUCH LOGIC CIRCUIT
MACHINES AND METHOD FOR WEB PROCESSING BY LONGITUDINAL COMPRESSION
ALPHA-SUBSTITUTED-PROPIONIC ACID ESTERS
IMPROVED ROTOR-TYPE CARBURETOR APPARATUS AND ASSOCIATED METHODS
TEMPERATURE MEASUREMENT
SWITCHED IMPEDANCE EMITTER COUPLED LOGIC GATE
MEMORY SPACE CLEARING CONTROL METHOD AND DEVICE
WALL
