Well tube and rotary drill pipe,申请号US19320601383-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	Well tube and rotary drill pipe
摘要
申请公布号	US1889873(A)	申请公布日期	1932.12.06
申请号	US19320601383	申请日期	1932.03.26
申请人	MONTGOMERY GUSTAVUS A	发明人	MONTGOMERY GUSTAVUS A.
分类号	E21B17/042;F16L15/00	主分类号	E21B17/042
代理机构		代理人
主权项
地址

您可能感兴趣的专利

展示ボード

搬送制御装置

パネル枠体

ホースリール装置

アングル製造機

氷菓付縄跳び具

METHOD OF MANUFACTURING WIRING CIRCUIT BOARD

METHOD AND APPARATUS FOR RECOVERING CO2 GAS IN CEMENT PRODUCTION EQUIPMENT

SCRIBING APPARATUS, AND APPARATUS AND METHOD FOR CUTTING SUBSTRATE USING THE SAME

METHOD FOR MANUFACTURING BEARING RING FOR ROLLING BEARING

BRAKE MECHANISM, DRIVE TRANSMISSION DEVICE, AND IMAGE FORMING APPARATUS

ELECTRICAL CURRENT DETECTOR

OCCUPANT CRASH PROTECTION DEVICE

MAGNETIC REPRODUCING AND RECORDING HEAD AND METHOD FOR MANUFACTURING THE SAME

ELECTRONIC APPARATUS

SEMICONDUCTOR INTEGRATED CIRCUIT, AND METHOD AND PROGRAM FOR DESIGNING IT

RUBBER UNIT AND CABLE CONNECTION SECTION USING THE SAME

FOLDING LOCKING DEVICE OF WALKER FOR AGED PERSON