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
Valve
摘要
申请公布号
US2143055(A)
申请公布日期
1939.01.10
申请号
US19360108316
申请日期
1936.10.30
申请人
MERLA TOOL COMPANY
发明人
CRICKMER CHARLES S.;GLITSCH HANS C.
分类号
E21B34/12
主分类号
E21B34/12
代理机构
代理人
主权项
地址
您可能感兴趣的专利
MODULAR CONSTRUCTION SYSTEM, CONSTRUCTION ELEMENT, COUPLING ELEMENT, END ELEMENT AND TOOL FOR USE IN SUCH A CONSTRUCTION SYSTEM
Method for fabricating film circuit substrate and method for fabricating chip package comprising the same
Rohrreinigungsdüse
METHOD AND APPARATUS FOR VOICE ACTIVITY DETECTION
STABILIZED KNEE PROSTHESIS
ENTERAL FEEDING EXTENSION SET CONNECTOR
AUTHENTICATION DEVICE, AUTHENTICATION METHOD, AND PROGRAM
FLUID CONTAINMENT AND DISPENSING SYSTEM
IN-MOULD-FOAMING PROCESS USING A FOAMABLE MEDIUM WITH OUTER LAYERS, AND PLASTICS MOULDING OBTAINABLE THEREFROM
LUGGAGE PROCESSING STATION
COMPOSITIONS AND METHODS FOR MITIGATING ADVERSE EFFECTS OF EXPOSURE TO CHLORINATING AND/OR BROMINATING AGENTS
FRINGE-FIELD SWITCHING LIQUID CRYSTAL DISPLAY DEVICE
TOTAL PHOSPHOROUS QUANTITY DETERMINATION METHOD
METHOD FOR THE POLLUTION-FREE REPAIR OF A BITUMEN-POLYMER COMPOSITE ROOF COVERING
RAPIDLY DEPLOYABLE FLEXIBLE ROBOTIC INSTRUMENTATION
LIQUID PHENOL RESIN AND METHOD OF PREPARING THE SAME
BATTERY PACK AND METHOD FOR CONTROLLING OF CHARGING AND DISCHRAGING OF THE SAME
Oxidative stress resistant bifidobacteria
Metered conveyor feed system for gum components
Switch of a gas valve unit
