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
Blowout preventer
摘要
申请公布号
US2812822(A)
申请公布日期
1957.11.12
申请号
US19540476617
申请日期
1954.12.21
申请人
ESSO RESEARCH AND ENGINEERING COMPANY
发明人
O'REILLY WALLACE M.
分类号
E21B34/10
主分类号
E21B34/10
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METHOD AND SYSTEM OF TRIANGULATING AN OBJECT
POWER TRANSMISSION BELT
A REFUSE COMPACTOR
SINGLE-MOLECULE IN VITRO EVOLUTION
CLEANING COMPOSITION CONTAINING A HYDROPHILIZING POLYMER
LAMINATED WOOD PIECE AND DOOR CONTAINING THE SAME
PAPERS COMPRISING A BORON-CONTAINING COMPOUND AND A METHOD OF MAKING SAME
STABILIZER AND A METHOD OF MANUFACTURING THE SAME
MACHINE AND METHOD FOR PRODUCING CARDBOARD TUBES
LAYING PIPE
NATURAL FEEL POLYMERS
COVERING DEVICE FOR PLANT POTS
BUTT-WELDABLE CONVEYOR BELT
OPTICAL FIBER RIBBONS HAVING A NON-UNIFORM THICKNESS AND/OR PREFERENTIAL TEAR PORTIONS
Welding wire positioning system and method
Device for securing a machine foot and method of securing the same
VERFAHREN ZUR HERSTELLUNG VON ALKALIMETALL- UND AMMONIUMPEROXIDSULFAT
Transcriptional activity assay
Wrapping packaging machine
A GAS TURBINE APPARATUS AND A STARTING METHOD THEREOF
