Drilling fluid nozzles for drill bits,申请号US19510222212-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 fluid nozzles for drill bits
摘要
申请公布号	US2719027(A)	申请公布日期	1955.09.27
申请号	US19510222212	申请日期	1951.04.21
申请人	REED ROLLER BIT COMPANY	发明人	BOICE ELVIN G.;PETER ROBERT G.
分类号	E21B10/18	主分类号	E21B10/18
代理机构		代理人
主权项
地址

您可能感兴趣的专利

HYBRID PROTECTIVE COMPOSITE

STEERABLE STYLET

TRANSIMPEDANCE AMPLIFIER AND PON SYSTEM

Controlling single-picture element (pixel) displays

ALPHA7 NICOTINIC ACETYLCHOLINE RECEPTOR ALLOSTERIC MODULATORS, THEIR DERIVATIVES AND USES THEREOF

FRESH AIR INLET FOR AN AIRCRAFT

Electromagnetic Connector for Electronic Device

Electro-hydraulic steering

System for processing data relating to buildings

Internal combustion engine and cylinder head cover

Tempering device for an NMR sample tube

Gripper and weft thread insertion device for a rapier weaving machine

Method and assembly for manufacturing a wooden work surface

Yarn for sewing or embroiding

Lubrication and/or coolant system with adjustable flowrate for a machine tool

Regrouping and integration of peripherals in a subsystem of a multiple-spindle lathe

Femoral component for a unicompartmental knee prosthesis