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
SUBSURFACE SAFETY VALVE WITH LOCK OPEN MECHANISM
摘要
申请公布号
AU538593(B2)
申请公布日期
1984.08.23
申请号
AU19810073684
申请日期
1981.08.04
申请人
OTIS ENGINEERING CORP.
发明人
HENRY PAUL ARENDT
分类号
E21B34/10;(IPC1-7):E21B34/10;F16K17/04;F16K31/12
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
ADDITIF REDUCTEUR DE FILTRAT ET FLUIDE DE PUITS
INJECTING APPARATUS FOR SEALING MATERIAL
CONNECTING-SECTION STRUCTURE FOR RAIN GUTTER
SANITARY FACILITY APPARATUS
SLOPE STABILIZING CONSTRUCTION METHOD
METHOD OF BUILDING CAGE AND WINDER FOR PC STEEL STRANDED WIRE
PLATING METHOD OF BAND-LIKE MATERIAL
VOID-FREE COPPER PLATING METHOD
SLIDING MEMBER
APPARATUS AND METHOD FOR GENERATING CONTROLLED ATMOSPHERIC GAS FOR HIGH TEMPERATURE RAPID CARBURIZING
APPARATUS AND METHOD FOR GENERATING CONTROLLED ATMOSPHERIC GAS FOR HIGH TEMPERATURE RAPID CARBURIZING
COPPER OR COPPER-BASE ALLOY, EXCELLENT IN PRESS WORKABILITY, AND ITS MANUFACTURING METHOD
HIGH STRENGTH COLD ROLLED STEEL SHEET EXCELLENT IN SPOT WELDABILITY
FREE CUTTING STEEL
HYBRID FUNCTIONALLY GRADIENT MATERIAL AND ITS MANUFACTURING METHOD
OVERTURN TYPE WATERPROOF DOOR USING RUBBER HINGE
TRAFFIC CLOSED POLE
BRIDGE EXPANSION COUPLING DEVICE AND BRIDGE CONNECTING DEVICE
COOLING CYLINDER IN BLAST FURNACE BODY
DETERGENCY-REINFORCING AGENT COMPOSITION FOR LAUNDRY
