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
Multiple seal blowout preventer
摘要
申请公布号
US2194256(A)
申请公布日期
1940.03.19
申请号
US19370141228
申请日期
1937.05.07
申请人
CAMERON IRON WORKS
发明人
ALLEN HERBERT
分类号
E21B33/06
主分类号
E21B33/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
VACUUM ACTUATED FLOW VALVE
MACHINE SAFETY SYSTEM WITH MUTUAL EXCLUSION ZONE
METHOD FOR PRODUCING BACTERIA FERMENTATIVE PRODUCTS FOR FOOD CONTAINING LACTIC ACID
USE OF ALKYL(ETHER) PHOSPHATES (I)
SIT-UP EXERCISING MACHINE
A NOVEL ALKALOID DERIVATIVE AND A PHARMACEUTICAL COMPOSITION CONTAINING THE SAME
COMPOSITION FOR DETECTING PEPTIDOGLYCAN, AND DIAGNOSTIC KIT DETECTING PEPTIDOGLYCAN
Monitoring the functioning of a cylinder cut-off in internal combustion engines having multiple cylinders
METHODS OF MAKING THERMAL SEALS AND PERFORATIONS
Extruded plastic lumber and method of manufacture
CATALYST AND METHOD FOR PRODUCING SYNTHESIS GAS BY STEAM CONVERSION OF HYDROCARBONS
Optical recording medium, optical recording device and optical recording method
Roller head for a planetary rolling mill
Camera system
Edge profiling for executable program code having branches through stub code segments
Calculating apparatus and its method
Gaming device having first chance means and serially dependent second chance means
Integratable fluid flow and property microsensor assembly
Container with means for displaying still and moving images
Goalie skate protective shell with removable blade
