Antifreeze device for water pipes,申请号US19310540468-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	Antifreeze device for water pipes
摘要
申请公布号	US1937667(A)	申请公布日期	1933.12.05
申请号	US19310540468	申请日期	1931.05.27
申请人	PARSLEY WILLIAM W;WILEY WELCH JOHN	发明人	PARSLEY WILLIAM W.;WELCH JOHN WILEY
分类号	E03B9/14	主分类号	E03B9/14
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Liquid ejecting device

Journal bearing mounted hub seal rotary joint

Ski edge profile

Active combustion fuel valve

Blade for food processors

Transport locking for a vibrating feeder of a mobile crushing unit

Electrode design for electrohydrodynamic induction pumping thermal energy transfer system

Method and device for reducing the separation of volatile organic compounds from oil during filling of tanks

Hair styling article

Ignition apparatus for internal combustion engine

Protective device for incineration apparatus

Aircraft flap extension mechanism

Safety switch for an electric nailer

Transfer printing machine

Convertible anchor

Method and device for determining penetration of gaseous substance through a membrane

Lift handle for products having a nailing fin

Radiation curing and drying

Coated stainless-steel/copper weld for electroplating cathode