Well head for air drilling apparatus,申请号US19590791634-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 head for air drilling apparatus
摘要
申请公布号	US3052300(A)	申请公布日期	1962.09.04
申请号	US19590791634	申请日期	1959.02.06
申请人	HAMPTON DONALD M	发明人	HAMPTON DONALD M.
分类号	E21B33/08	主分类号	E21B33/08
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Modular fuel nozzle and method of making

Prosthetic valve with slanted leaflet design

Lens module and camera module having same

Display housing for computing device

Markers for cached objects

Filter connector

Device and method for handling tubular knitted articles such as socks or the like to perform sewing of the toe

Semiconductor switching device

Memory cell dual pocket implant

Beach cart for recreation and sports

Financial transaction card with visual effect

Trade show marketing display system

Modular in-wall medical services unit with internal raceways

Rotary residual fuel slurrifier

Switching regulator

Multilayered printed circuit board

Wiring board and wiring board module

Process for producing wiring circuit board

Computer system and related method for generating program codes describing relationships of numerous function names and numerous control codes of a device