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
CORE BARREL
摘要
申请公布号
EP0995010(A1)
申请公布日期
2000.04.26
申请号
EP19980933379
申请日期
1998.07.08
申请人
DRESSER INDUSTRIES INC.
发明人
FANUEL, PHILIPPE;SERRON, PAUL
分类号
E21B10/48;E21B25/00;E21B25/02;(IPC1-7):E21B25/00
主分类号
E21B10/48
代理机构
代理人
主权项
地址
您可能感兴趣的专利
VECTOR SYSTEM FOR PLANTS
ILLUMINATED DISPLAY APPARATUS FOR A VEHICLE
BIOSTABLE SMALL FRENCH LEAD
ENERGY STORAGE DEVICE USED IN LOCOMOTION MACHINE
COGGING ELEMENT AND COGGING STRUCTURE
METHOD AND SYSTEM FOR TRANSMITTING AND RECEIVING VOICE PACKETS OVER A COMMUNICATIONS NETWORK
META CONTENT DELIVERY NETWORK SYSTEM
CASPASE INHIBITORS AND USES THEREOF
METHOD AND APPARATUS FOR RECONFIGURING STRIPED LOGICAL DEVICES IN A DISK ARRAY STORAGE
TERMINAL BLOCK WITH SHOULDER CONTACT AND FORMED GROUND PLATE RETAINED BY PLASTIC INSERT
ETHERS OF 7-DESMETHYLRAPAMYCIN
SiAION MATERIAL AND CUTTING TOOLS MADE THEREOF
UBIQUITIN LIGASE
METHOD FOR SYNTHESIS OF SUBSTITUTED AZOLE LIBRARIES
MEDICAL SCREW AND METHOD OF INSTALLATION
LACTIC ACID FERMENTED FOOD PRODUCTS
SLIDE-IN CASSETTE FOR A CUP FOR TESTING OF DRUGS OF ABUSE
METHOD AND SYSTEM FOR USING COMMON CHANNEL FOR DATA COMMUNICATIONS
DEVICES AND TECHNIQUES FOR LOGICAL PROCESSING
ISOPRENOID-DEPENDENT RAS ANCHORAGE (IDRA) PROTEINS
