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
Flame boring apparatus
摘要
申请公布号
US2742555(A)
申请公布日期
1956.04.17
申请号
US19520312950
申请日期
1952.10.03
申请人
MURRAY ROBERT W
发明人
MURRAY ROBERT W.
分类号
E21B7/15
主分类号
E21B7/15
代理机构
代理人
主权项
地址
您可能感兴趣的专利
CHRONIC PERFORMANCE CONTROL SYSTEM FOR ROTODYNAMIC BLOOD PUMPS
NETWORK DATA TRANSFER ACCELERATION SYSTEM AND METHOD
HIGH CURRENT DENSITY IONTOPHORETIC DEVICE AND METHOD OF USE THEREOF
FISHERMANS HOOKER
GREEN FLUORESCENT SUBSTANCE AND IMAGE DISPLAY DEVICE USING THE SUBSTANCE
CHEMICAL MECHANICAL POLISHING SLURRY COMPOSITION AND METHOD FOR FABRICATING SEMICONDUCTOR DEVICE USING THE SAME
CONTACT PIN AND SOCKET FOR TESTING INTEGRATED CIRCUIT PACKAGE HAVING THE SAME
ESTROGEN RECEPTOR- beta LIGANDS
REFRIGERATING APPARATUS CONTROL METHOD
VARIABLE FREQUENCY FOURDRINIER GRAVITY FOIL BOX
METHOD AND APPARATUS FOR EFFICIENT HIGH-RESOLUTION VISUAL FIELD MAPPING
DEVICE AND METHOD FOR CONTROLLING THE BEGINNING OF A TOOL OPERATION IN FISH TREATMENT MACHINE
Redusert beregning i kombinert deteksjon
SYNTACTIC AMINOPLAST FOAMS
MEMBRANOUS MONOLITHIC EL STRUCTURE WITH URETHANE CARRIER
METHOD OF MAKING AN ELECTRODE
MODULAR RFID ANTENNA SYSTEM
DYNAMIC CONTENT LINKING
METHODS FOR DETECTING MODULATORS OF ION CHANNELS USING THALLIUM (I) SENSITIVE ASSAYS
COMPENSATOR ASSEMBLY HAVING A FLEXIBLE DIAPHRAGM AND AN INTERNAL FILLING TUBE FOR A FUEL INJECTOR AND METHOD