DRILLING BIT FOR DRILLING WHILE RUNNING CASING,申请号EP20000983400-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	DRILLING BIT FOR DRILLING WHILE RUNNING CASING
摘要
申请公布号	EP1242711(B1)	申请公布日期	2006.08.16
申请号	EP20000983400	申请日期	2000.12.21
申请人	WEATHERFORD/LAMB, INC.	发明人	WARDLEY, MIKE
分类号	E21B7/20;E21B10/00;E21B10/42;E21B10/43;E21B10/54;E21B17/14	主分类号	E21B7/20
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Concurrent execution of programmes

WIDE ANGLE SCATTERING DETECTOR

HALOGENATED SUPPORTS AND SUPPORTED ACTIVATORS

CONTINUOUS MANUFACTURE OF 1,1-DIFLUOROETHANE

HAND DISINFECTANT

MICROWAVE ASSISTED CLEANING AND RECLAMATION OF INDUSTRIAL WASTES

HALOGEN SCAVENGER FOR POLYMERS AND COPOLYMERS

Device for the parameter-dependent control of a reaction force

LATH CUTTER AND PLACER

Surface acoustic wave apparatus

Matrix display; Controllable valve

Hybrid digital/optical system for pattern recognition

Moulded joint portion of a foldable tent frame member.

Loudspeaker cabinet

Pleated conical lampshade

Holder for flat articles, particularly compact discs or floppy discs.

Auxiliary wheels

Method of printing