Tubing tester and circulating valve,申请号US19530394111-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	Tubing tester and circulating valve
摘要
申请公布号	US2944607(A)	申请公布日期	1960.07.12
申请号	US19530394111	申请日期	1953.11.24
申请人	BAKER OIL TOOLS, INC.	发明人	BAKER REUBEN C.
分类号	E21B34/12;E21B47/10	主分类号	E21B34/12
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Carton feeding mechanism

Roentgenkontrastmittel

Improvements in fibrous products and processes of making the same

Electro-mechanical vibration translating systems

Improvements in or relating to closures, particularly manhole closures

Improvements in valves more particularly for fluid pressure operated brakes

Process for charging cylinders for the storage of acetylene in solution

Improvements in or relating to fastening, fixing and regulating devices or stays for hinged windows, windscreens, and the like

Friction clutch

Magnetic indicator for watt-hour meters

Automatic advertising apparatus

Thermostatically actuated automatic switch

Improvements relating to slidable forks or the like for shifting the driving belts of lathes or other machines

Hair curler and method of assembly

Exhaust silencer

Agitating, aerating, and/or mixing machine

Method of continuous rolling for the production of strip metal