ROLLER CUTTER FOR ROTARY DRILLING APPARATUS,申请号USD3430718-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	ROLLER CUTTER FOR ROTARY DRILLING APPARATUS
摘要
申请公布号	US3430718(A)	申请公布日期	1969.03.04
申请号	USD3430718	申请日期	1967.02.28
申请人	INGERSOLL RAND CO.	发明人	JAMES C. LAWRENCE
分类号	E21B10/08;E21B10/52;(IPC1-7):E21B9/12;E21C13/01;E21C13/02	主分类号	E21B10/08
代理机构		代理人
主权项
地址

您可能感兴趣的专利

SUPERCONDUCTING CIRCUIT CONNECTION METHOD AND ITS STRUCTURE

ELECTRONIC COOLING DEVICE, METHOD FOR MANUFACTURING THE SAME, AND LD MODULE USING THE SAME

ETCHING METHOD, FILLING METHOD, AND METHOD OF FORMING WIRING LAYER

TIE BAR CUTTING APPARATUS

RAIL-BOND TERMINAL

CATHODE-RAY TUBE

ELECTRON GUN FOR CATHODE-RAY TUBE, CATHODE-RAY TUBE WITH THE ELECTRON GUN AND DISPLAY DEVICE WITH THE CATHODE-RAY TUBE

METHOD FOR FABRICATING FLUORESCENT SCREEN AND COLOR CATHODE RAY TUBE USING THE SAME

TRIP CROSS BAR OF CIRCUIT BREAKER

METHOD FOR MANUFACTURING COLOR SELECTION ELECTRODE BODY AND COLOR CATHODE RAY TUBE

SERVO PATTERN RECORDING METHOD AND SYSTEM

MAGNETO-OPTICAL RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM AND METHOD FOR PRODUCING SAME

PRODUCTION METHOD OF MAGNETIC HEAD

MAGNETO-OPTICAL RECORDING MEDIUM, AND MAGNETO-OPTICAL DISK DEVICE OR METHOD FOR REPRODUCING THE SAME

MAGNETIC TAPE DEVICE

AUTOMATIC VENDING MACHINE

TRANSACTION DEVICE AND AUTOMATIC VENDING MACHINE

DEVICE AND METHOD FOR SEPARATING IMAGE FLUCTUATION COMPONENT

TERMINAL EQUIPMENT AND TERMINAL SYSTEM