Key seat tool for well drilling,申请号US19490122986-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	Key seat tool for well drilling
摘要
申请公布号	US2650798(A)	申请公布日期	1953.09.01
申请号	US19490122986	申请日期	1949.10.22
申请人	STOHN KENDALL R	发明人	STOHN KENDALL R.
分类号	E21B10/32;E21B31/107	主分类号	E21B10/32
代理机构		代理人
主权项
地址

您可能感兴趣的专利

VIBRATING CHAIN SAW SHARPENER

PROCEDURE FOR OPERATING A TRANSMISSION DEVICE

Sub-Millinewton Capacitive Mems Force Sensor for Mechanical Testing on a Microscope

THREE DIMENSIONAL PIEZOELECTRIC MEMS

MICROELECTROMECHANICAL DEVICE WITH SIGNAL ROUTING THROUGH A PROTECTIVE CAP

ROLLING STAND FOR TUBES OR ROUNDS

Compact Cooling System and Method for Accurate Temperature Control

ENTHALPY BASED CONTROL FOR A REFRIGERATION APPLIANCE

PORTABLE TEMPERATURE-REGULATING APPARATUS FOR MEDICAMENTS

Electrocaloric Effect Heat Transfer Device Dimensional Stress Control

WAVE ENERGY APPARATUS HAVING A VENTURI SHROUD

METHOD AND DEVICE FOR DETERMINING A STARTING TIME OF A REGENERATION PROCESS FOR REGENERATING A DIESEL PARTICLE FILTER

Exhaust Routers

CYCLE TURBINE ENGINE POWER SYSTEM

Horizontal Rotary Mower

Structural Tube

FRAME ASSEMBLY FOR SHEET MATERIAL

ROTATING PERFORMANCE STAGE

Apparatus for growing living organisms