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
Circulating stabilizer-reamer and bumper
摘要
申请公布号
US3371729(A)
申请公布日期
1968.03.05
申请号
US19650495133
申请日期
1965.10.12
申请人
CHARLES J. CARR
发明人
CARR CHARLES J.
分类号
E21B17/07;E21B17/10
主分类号
E21B17/07
代理机构
代理人
主权项
地址
您可能感兴趣的专利
EXPRESSION CASSETTE
RADIATION PROTECTION DEVICE AND METHODS THEREOF
STARTING A SMELTING PROCESS
FILLING MACHINE
METHOD, DEVICE AND SYSTEM FOR REALIZING COMMUNICATION AFTER VIRTUAL MACHINE MIGRATION
IMPROVED GLYCAN ARRAYS AND METHODS FOR THEIR FABRICATION
METHOD AND APPARATUS FOR ADVANCED TOPOLOGY (AT) POLICY MANAGEMENT FOR DIRECT COMMUNICATION BETWEEN WIRELESS TRANSMIT/RECEIVE UNITS (WTRUs)
非对称整体提升施工方法
BIOLOGICALLY ACTIVE FOOD ADDITIVE FOR PREVENTING CARDIOVASCULAR DISEASES AND ENHANCING THE CARDIOVASCULAR SYSTEM
PROBIOTIC BIFIDOBACTERIUM STRAINS
Method for detecting or predicting an electrical fault
含联嘧啶结构的高介电常数聚酰亚胺及其制备方法
一种减小吸气式脉冲爆震发动机进气道反压的结构
LARYNGOSCOPE
DEVICE HAVING TITANIA NANOTUBE MEMBRANE FOR DRUG DELIVERY
可调式闸阀紧固装置
Sliding carriage for a linear guide
STACKING DEVICE FOR FLAT OBJECTS WHICH ARE STACKED ON EDGE AND A POSTAL SORTING MACHINE
SYRINGE CARRIER
Thermoelectric cooler/heater integrated in printed circuit board
