Measuring line for well plugs,申请号US19350034999-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	Measuring line for well plugs
摘要
申请公布号	US2023724(A)	申请公布日期	1935.12.10
申请号	US19350034999	申请日期	1935.08.06
申请人	CONNOLLY JOHN A	发明人	CONNOLLY JOHN A.
分类号	E21B33/16	主分类号	E21B33/16
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Chocolate milk.

BYPASS VALVE FOR A COMPRESSOR

BRAKING DEVICE FOR A LOOM

TORQUE DISTRIBUTING GEAR MECHANISM FOR TWIN WORM SCREW MACHINES

Dry etching method.

Digging point assembly.

Double-layer cloth for a paper making machine.

Magazine locking means for firearms having a magazine in a pistol handle.

Method for localization of zones in reinforced concrete needing repair.

Fine spherulitic polyarylene thioether and a process for producing the same.

Glasses for containers; processes for the production of same; and containers comprising said glasses.

Cyclone separator.

Drive apparatus.

Electrophotographic photoreceptor.

Cache storage queue.

Fiber optic coupled pressure transducer using single fiber and method of fabrication.

Moisturized compositions of hydrateforming phosphates and methods for preparation thereof.

Device for handling bulk container bags filled with powdered or granular material.

Method and apparatus for blowing mineral fibres.